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Larson Electronics LLC
9419 E US HWY 175, Kemp, TX 75143
Phone: 800.369.6671
MT-BBT-208V-230V-20.8A
1-Phase Buck/Boost Step-Up Transformer - 208V Primary - 230V Secondary - 18.6 Amps -
50/60Hz
Product ID: 271912
Larson Electronics LLC manufactures a wide variety of products, including custom built to spec designs.
The pictures displayed for this unit are a general representation of form factor for the product line and
may not accurately represent this exact configuration in every detail due to custom builds and changes
between similar products in our standard catalog. The specifics for this configuration are listed in the
specification table and supporting documentation (CAD files, Dimensional Drawing, Name Plate Diagram,
Wiring Diagram, etc.). This means that specific details (receptacles, plugs, wires, connections, mounting
brackets, external finishes, etc.) may not be accurately represented in images vs specifications. Please
review specifications and do not order based solely on images.
MT-BBT-208V-230V-20.8A Buck and Boost Step-Up Transformer
Transformer Type: Buck/Boost step-up Autotransformer
Transformer Configuration: Boost (increase)
Phase: Single Phase
Frequency: 50/60 Hz
Input Voltage: 208 V AC
Primary Amps: 20 A @ 208 V
Primary Configuration: Two winding
kVA: 4.77
Output Voltage: 230 V AC
Secondary Amps: 18.6 A @ 230 V
Voltage Difference: 22 V
Voltage % Difference: 90%
Secondary Configuration: Two winding
Winding Material: Aluminum
Knockouts: Side and rear
Wiring Termination: Front access (8) Lead Wires
Cooling: Air / Dry Type
Insulation: 130°C
Temperature Rise: 80°C
Sound Level: 36 dB
Enclosure Rating: NEMA 3R
Encapsulation: Silica sand, resin compounds
Enclosure Material: Steel
Finish: ANSI 61 Grey
Mounting: Wall mount via mounting tabs
Dimensions: 9.30"H x 5.06"W x 4.56"D
Email: sales@LarsonElectronics.com
Ratings
NRTL Listed for United States
NRTL Certified for Canada
NEMA 3R Indoor/Outdoor Enclosure
Meets or Exceeds NEMA ST-20 Standards
Buck and Boost Step-Up Transformer
Special Orders - Requirements
Contact us for special requirements
Toll Free: 1-800-369-6671
1
www.LarsonElectronics.com
Fax: 903.498.3364
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Related Manuals for LARSON MT-BBT-208V-230V-20.8A
Summary of Contents for LARSON MT-BBT-208V-230V-20.8A
- Page 1 50/60Hz Product ID: 271912 Larson Electronics LLC manufactures a wide variety of products, including custom built to spec designs. The pictures displayed for this unit are a general representation of form factor for the product line and may not accurately represent this exact configuration in every detail due to custom builds and changes between similar products in our standard catalog.
- Page 2 The MT-BBT-208V-230V-20.8A is designed to increase voltage from an input voltage of 208 volts to an output voltage of 230 volts. The increase of voltage is...
- Page 3 Three Phase Delta Buck/Boost Transformers Three Phase Wye Buck/Boost Transformers Larson Electronics is a manufacturer and as such can build stationary and portable transformer systems to your specifications. Although we carry several models of power distribution transformer systems, we can deliver custom ordered units almost as quickly as our prebuilt units.
- Page 4 SINGLE PHASE BUCK & BOOST TRANSFORMERS INSTRUCTION MANUAL This manual applies to all single-phase buck & boost transformers sold by Larson Electronics. Please refer to the connection diagram on pages 4-6 for properly connecting the transformer. Warning: Do not attempt installation until you are familiar with all warnings, precautions, and procedures outlined within this instruction sheet.
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Page 5: Sound Levels
When windings are connected in parallel (in the case of dual voltage primaries), the primary taps for all coils must be connected to the identical percentage tap positions to avoid the shorting of turns. For tap positions, refer to the transformer nameplate. Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com... -
Page 6: Operation
Warning: Do not perform internal maintenance without first de-energizing the transformer! The transformer must be isolated and the terminals grounded. Check all ground connections to ensure a low impedance connection. Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com... -
Page 7: Connection Diagram
DIAGRAM D BUCK & BOOST TRANSFORMERS Connection Diagram (Refer to the diagrams below for connecting the transformer. Choose the type that resembles your transformer.) Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com 4 of 7... - Page 8 DIAGRAM D BUCK & BOOST TRANSFORMERS TYPE A TYPE B Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com 5 of 7...
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Page 9: Wiring Diagram
2. Connect H2 and H3 together 3. Connect High Voltage L1 to X4 4. Connect Low Voltage L1 to H4 and X1 5. Connect High & Low Voltage L2 to H1 Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com... - Page 10 DIAGRAM D BUCK & BOOST TRANSFORMERS Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com 7 of 7...
- Page 15 Electronics Co LTD, Federal Pacific, Hammond MFG Co LTD, and Jefferson Electric Inc. These transformers are manufactured to Larson Electronics LLC specifications including specified windings, winding materials, taps, mounting, and housing designs. Larson Electronics LLC MT-BBT series may include customized mounting external accessories, prewired transformers, and cord caps. This assembly is built to NEC and CEC standards.
- Page 16 Material Safety Data Sheet To Whom It May Concern, Larson Electronics LLC MT Series industrial line of transformers are considered “ARTICLES” under 29 CFR 1910-1200, the OSHA Hazard Communication Standard, and do not require a Material Safety Data Sheet (MSDS).
- Page 17 XPTQ.E79947 - Transformers, General Purpose | UL Product iQ https://iq.ulprospector.com/en/profile?e=184870 XPTQ.E79947 - Transformers, General Purpose Transformers, General Purpose See General Information for Transformers, General Purpose ACME ELECTRIC, A DIVISION OF HUBBELL INCORPORATED (DELAWARE) E79947 N56 W13385 Silver Spring Dr Menomonee Falls, WI 53051 USA Trademark and/or Tradename: Air cooled reactors, Model(s) Series LWE with prefixes General purpose transformers, "Series or style SE", Model(s) 47564, 47565...
- Page 18 XPTQ.E506261 - Transformers, General Purpose | UL Product iQ https://iq.ulprospector.com/en/profile?e=251970 XPTQ.E506261 - Transformers, General Purpose Transformers, General Purpose See General Information for Transformers, General Purpose CONTROL TRANSFORMER INC E506261 3701 Warren Meadville Rd Cortland, OH 44410-9464 USA Model(s) PWR-2637 Last Updated on 2019-03-05 The appearance of a company's name or product in this database does not in itself assure that products so identified have been manufactured under UL's Follow-Up Service.
- Page 19 XQNX.E495103 - Power and General-purpose Transformers, Dry Type ... https://iq.ulprospector.com/en/profile?e=222019 XQNX.E495103 - Power and General-purpose Transformers, Dry Type Power and General-purpose Transformers, Dry Type See General Information for Power and General-purpose Transformers, Dry Type CONTROL TRANSFORMER INC E495103 3701 Warren Meadville Rd Cortland, OH 44410-9464 USA Dry Type Ventilated Autotransformer, E12884.
- Page 20 XPTQ.E3210 - Transformers, General Purpose | UL Product iQ https://iq.ulprospector.com/en/profile?e=184842 XPTQ.E3210 - Transformers, General Purpose Transformers, General Purpose See General Information for Transformers, General Purpose DONGAN ELECTRIC MFG CO E3210 34760 Garfield Rd Fraser, MI 48026 USA Dry type, auto transformers, Model(s) 415 Series With additional nomenclature to define specific features as allowed by UL file. Dry type, auto transformers, Model(s) 515 Series With additional nomenclature to define specific features as allowed by UL file.
- Page 21 XPTQ.E3210 - Transformers, General Purpose | UL Product iQ https://iq.ulprospector.com/en/profile?e=184842 Industrial control transformers, Model(s) Y1Y2 Insulating transformers, indoor use only, "35 Series", Model(s) 35-05 Insulating transformers, indoor use only, "35 Series", Model(s) 35-05, 35-10, 35-15, 35-20, 35-25, 35-35, 35-50 or 35-75, followed by -3, -9, -16, -18, -58, -126, -132, -250, -303, -309, -342, -419, -FB6, -KSPEC, -LM, -LY, -M, -S or -Y.
- Page 22 XQNX.E78234 - Power and General-purpose Transformers, Dry Type | ... https://iq.ulprospector.com/en/profile?e=185562 XQNX.E78234 - Power and General-purpose Transformers, Dry Type Power and General-purpose Transformers, Dry Type See General Information for Power and General-purpose Transformers, Dry Type DONGAN ELECTRIC MFG CO E78234 34760 Garfield Rd Fraser, MI 48026 USA Transformers, Reactors Series 41, 42, 43, 44, 61, 63, 64, 71, 72, 73, 74, 81, 83, 84, ES, ESA, R, SD.
- Page 23 XQNX.E478366 - Power and General-purpose Transformers, Dry Type ... https://iq.ulprospector.com/en/profile?e=251159 XQNX.E478366 - Power and General-purpose Transformers, Dry Type Power and General-purpose Transformers, Dry Type See General Information for Power and General-purpose Transformers, Dry Type EAGLERISE ELECTRIC & ELECTRONIC (CHINA) CO LTD E478366 A3 GUICHENG SCIENCE &...
- Page 24 XPTQ.E121540 - Transformers, General Purpose | UL Product iQ https://iq.ulprospector.com/en/profile?e=184803 XPTQ.E121540 - Transformers, General Purpose Transformers, General Purpose See General Information for Transformers, General Purpose FEDERAL PACIFIC TRANSFORMER CO E121540 601 OLD AIRPORT RD BRISTOL, VA 24203-8200 USA Enclosed: indoor or protected cover use, Model(s) SE Industrial control transformers, Model(s) S09X.500FC-A1 Transformers, indoor or outdoor, Model(s) FB, may include FH in the type number Last Updated on 2017-07-21...
- Page 25 XQNX.E37783 - Power and General-purpose Transformers, Dry Type | ... https://iq.ulprospector.com/en/profile?e=185550 XQNX.E37783 - Power and General-purpose Transformers, Dry Type Power and General-purpose Transformers, Dry Type See General Information for Power and General-purpose Transformers, Dry Type FEDERAL PACIFIC TRANSFORMER CO E37783 601 OLD AIRPORT RD BRISTOL, VA 24203-8200 USA Trademark and/or Tradename: "E37783"...
- Page 26 XPTQ.E207860 - Transformers, General Purpose | UL Product iQ https://iq.ulprospector.com/en/profile?e=184825 XPTQ.E207860 - Transformers, General Purpose Transformers, General Purpose See General Information for Transformers, General Purpose HAMMOND MFG CO LTD E207860 52 RANKIN PL WATERLOO, ON N2J 3Z5 CANADA Transformers, Model(s) 3AH, HT, MH, MT, PH, PT Transformers, fuse kits, Model(s) PFK Last Updated on 2013-09-16 The appearance of a company's name or product in this database does not in itself assure that products so identified have been...
- Page 27 XQNX.E112313 - Power and General-purpose Transformers, Dry Type ... https://iq.ulprospector.com/en/profile?e=185518 XQNX.E112313 - Power and General-purpose Transformers, Dry Type Power and General-purpose Transformers, Dry Type See General Information for Power and General-purpose Transformers, Dry Type HAMMOND POWER SOLUTIONS INC E112313 595 Southgate Dr Guelph, ON N1G 3W6 CANADA Power transformers, dry type, indoor and outdoor;...
- Page 28 XPTQ.E50394 - Transformers, General Purpose | UL Product iQ https://iq.ulprospector.com/en/profile?e=184859 XPTQ.E50394 - Transformers, General Purpose Transformers, General Purpose See General Information for Transformers, General Purpose HAMMOND POWER SOLUTIONS INC E50394 595 Southgate Dr Guelph, ON N1G 3W6 CANADA Transformers, Model(s) 3AH, 52, 88-250, E, HT, HT, MH, MT, NE-0306-21, NE-0306-22, NE-0306-23, NE-0306-24, NE-0306-25, NE-0306-26, NE-0307-21, NE-0307-22, NE-0307-23, NE-0307-24, NE-0307-25, NE-0307-26, NE-2624-21, NE-2624-22, NE-2624-23, NE-2624-24, NE-2624-25, NE-2624-26, NE-2635-21, NE-2635-22, NE-2635-23, NE-2635-24, NE-2635-25, NE-2635-26, PH, PT Transformers, single phase, Model(s) Q...
- Page 29 XPTQ.E4466 - Transformers, General Purpose | UL Product iQ https://iq.ulprospector.com/en/profile?e=184851 XPTQ.E4466 - Transformers, General Purpose Transformers, General Purpose See General Information for Transformers, General Purpose JEFFERSON ELECTRIC INC E4466 9650 S FRANKLIN DR FRANKLIN, WI 53132-8847 USA Dry type, auto transformers, Model(s) 415 followed by a four (4) place number/letter, followed by a three (3) place number/letter. Dry type, auto transformers, Model(s) 515 followed by a four (4) place number/letter, followed by a three (3) place number/letter.
- Page 30 XPTQ.E4466 - Transformers, General Purpose | UL Product iQ https://iq.ulprospector.com/en/profile?e=184851 637-221 (f), 637-221-028, 637-226 (f), 637-228 (f), 637-229 (f), 637-231 (f), 637-231-011, 637-236 (f), 637-238 (f), 637-239 (f), 637-261 (f), 637-26600, 637-268 (f), 637-269 (f), 637-271 (f), 637-276 (f), 637-278 (f), 637-279 (f), 637-281 (f), 637-286 (f), 637-288 (f), 637-289 (f), 637-291 (f), 637-296 (f), 637-298 (f), 637-299 (f), 637-361 (f), 637-366 (f), 637-369 (f), 637-371 (f), 637-376 (f), 637-379 (f), 637-381 (f), 637-386 (f), 637-389 (f), 637-391 (f), 637-396 (f), 637-399 (f), 637-401 (f), 637-406 (f), 637-409 (f), 637-411 (f), 637-421 (f), 637-431 (f), 637-441 (f), 637-451 (f), 637-461 (f), 637-466 (f), 637-469 (f), 637-471 (f), 637-476 (f), 637-479 (f), 637-481 (f) (h), 637-486 (f), 637-489...
- Page 31 XQNX.E78376 - Power and General-purpose Transformers, Dry Type | ... https://iq.ulprospector.com/en/profile?e=185564 XQNX.E78376 - Power and General-purpose Transformers, Dry Type Power and General-purpose Transformers, Dry Type See General Information for Power and General-purpose Transformers, Dry Type JEFFERSON ELECTRIC INC E78376 9650 S FRANKLIN DR FRANKLIN, WI 53132-8847 USA Transformers rated over 10 kva, Cat.
- Page 32 XPTQ7.E79947 - Transformers, General Purpose Certified for Canada | ... https://iq.ulprospector.com/en/profile?e=185231 XPTQ7.E79947 - Transformers, General Purpose Certified for Canada Transformers, General Purpose Certified for Canada See General Information for Transformers, General Purpose Certified for Canada ACME ELECTRIC, A DIVISION OF HUBBELL INCORPORATED (DELAWARE) E79947 N56 W13385 Silver Spring Dr Menomonee Falls, WI 53051 USA...
- Page 33 XPTQ7.E506261 - Transformers, General Purpose Certified for Canada ... https://iq.ulprospector.com/en/profile?e=251971 XPTQ7.E506261 - Transformers, General Purpose Certified for Canada Transformers, General Purpose Certified for Canada See General Information for Transformers, General Purpose Certified for Canada CONTROL TRANSFORMER INC E506261 3701 Warren Meadville Rd Cortland, OH 44410-9464 USA Model(s) PWR-2637 Last Updated on 2019-03-05...
- Page 34 XQNX7.E495103 - Power and General-purpose Transformers, Dry Type... https://iq.ulprospector.com/en/profile?e=222007 XQNX7.E495103 - Power and General-purpose Transformers, Dry Type Certified for Canada Power and General-purpose Transformers, Dry Type Certified for Canada See General Information for Power and General-purpose Transformers, Dry Type Certified for Canada CONTROL TRANSFORMER INC E495103 3701 Warren Meadville Rd...
- Page 35 XPTQ7.E3210 - Transformers, General Purpose Certified for Canada | U... https://iq.ulprospector.com/en/profile?e=185206 XPTQ7.E3210 - Transformers, General Purpose Certified for Canada Transformers, General Purpose Certified for Canada See General Information for Transformers, General Purpose Certified for Canada DONGAN ELECTRIC MFG CO E3210 34760 Garfield Rd Fraser, MI 48026 USA Dry type, auto transformers, Model(s) 415 Series With additional nomenclature to define specific features as allowed by UL file.
- Page 36 XPTQ7.E3210 - Transformers, General Purpose Certified for Canada | U... https://iq.ulprospector.com/en/profile?e=185206 C, KA, KC, KN, KS, N, S., 36-100 , followed by A, C, KA, KC, KN, KS, N, S., 36-25 , followed by A, C, KA, KC, KN, KS, N, S., 36-50 , followed by A, C, KA, KC, KN, KS, N, S., 36-75 , followed by A, C, KA, KC, KN, KS, N, S.
- Page 37 XQNX7.E78234 - Power and General-purpose Transformers, Dry Type ... https://iq.ulprospector.com/en/profile?e=185664 XQNX7.E78234 - Power and General-purpose Transformers, Dry Type Certified for Canada Power and General-purpose Transformers, Dry Type Certified for Canada See General Information for Power and General-purpose Transformers, Dry Type Certified for Canada DONGAN ELECTRIC MFG CO E78234 34760 Garfield Rd...
- Page 38 XQNX7.E478366 - Power and General-purpose Transformers, Dry Type... https://iq.ulprospector.com/en/profile?e=251160 XQNX7.E478366 - Power and General-purpose Transformers, Dry Type Certified for Canada Power and General-purpose Transformers, Dry Type Certified for Canada See General Information for Power and General-purpose Transformers, Dry Type Certified for Canada EAGLERISE ELECTRIC &...
- Page 39 XPTQ7.E121540 - Transformers, General Purpose Certified for Canada ... https://iq.ulprospector.com/en/profile?e=185179 XPTQ7.E121540 - Transformers, General Purpose Certified for Canada Transformers, General Purpose Certified for Canada See General Information for Transformers, General Purpose Certified for Canada FEDERAL PACIFIC TRANSFORMER CO E121540 601 OLD AIRPORT RD BRISTOL, VA 24203-8200 USA Industrial control transformers, Model(s) S09X.500FC-A1 Transformers, indoor or outdoor, Model(s) FB, may include FH in the type number...
- Page 40 XQNX7.E37783 - Power and General-purpose Transformers, Dry Type ... https://iq.ulprospector.com/en/profile?e=185655 XQNX7.E37783 - Power and General-purpose Transformers, Dry Type Certified for Canada Power and General-purpose Transformers, Dry Type Certified for Canada See General Information for Power and General-purpose Transformers, Dry Type Certified for Canada FEDERAL PACIFIC TRANSFORMER CO E37783 601 OLD AIRPORT RD...
- Page 41 XPTQ7.E50394 - Transformers, General Purpose Certified for Canada | ... https://iq.ulprospector.com/en/profile?e=185221 XPTQ7.E50394 - Transformers, General Purpose Certified for Canada Transformers, General Purpose Certified for Canada See General Information for Transformers, General Purpose Certified for Canada HAMMOND POWER SOLUTIONS INC E50394 595 Southgate Dr Guelph, ON N1G 3W6 CANADA Transformers, Model(s) 3AH, HT, HT, MH, MT, PH, PT...
- Page 42 XPTQ7.E4466 - Transformers, General Purpose Certified for Canada | U... https://iq.ulprospector.com/en/profile?e=185216 XPTQ7.E4466 - Transformers, General Purpose Certified for Canada Transformers, General Purpose Certified for Canada See General Information for Transformers, General Purpose Certified for Canada JEFFERSON ELECTRIC INC E4466 9650 S FRANKLIN DR FRANKLIN, WI 53132-8847 USA Dry type, auto transformers, Model(s) 415 followed by a four (4) place number/letter, followed by a three (3) place number/letter.
- Page 43 Council Directive for Low Voltage Directive, EMC Directive, REACH Regulation, and RoHS Directive. This certification applies to all specimens manufactured in accordance to the manufacture’s drawings. Signed for and on behalf of: Larson Electronics, LLC Place of issue: Kemp, TX Signature:...
- Page 44 CE: Regulation (EC) No 1907/2006 - REACH REGULATION CE: DIRECTIVE 2015/863/EU - ROHS DIRECTIVE This is to certify that products offered by Larson Electronics LLC comply with the Reduction of Hazardous Substances (RoHS) directives. Directive 2002/95/EC became effective on 1 July 2006.
- Page 45 Transformers Evaluated Listings: CE: Regulation (EC) No 1907/2006 - REACH REGULATION This letter establishes the opinion of Larson Electronics LLC regarding the status, under the current European Union (“EU”) Regulations on Registration, Evaluation, Authorization, and Restriction of Chemical Substances (“REACH”).
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Page 46: Frequently Asked Questions (Faq)
Frequently Asked Questions (FAQ)
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