TERASAKI TemPower 2 ACB Manual
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TERASAKI TemPower 2 ACB Manual

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Innovations 2006
ACB
- Two Steps Ahead
Jan 2006 Ref No. 06-I55E
Ratings and specifications in this catalogue may be subject to change without notice

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  • Page 1 Innovations 2006 - Two Steps Ahead Jan 2006 Ref No. 06-I55E Ratings and specifications in this catalogue may be subject to change without notice...
  • Page 2 World Class Air Circuit Breakers World Class Air Circuit Breakers World Class Air Circuit Breakers Contents Terasaki’s TemPower2 A.C.B is the result of 1. Features ...........2 an intensive market 2. Appearance and Internal Construction ...13 research program 3. Ratings ...........14 which took into ac- 4.
  • Page 3 Features The ultimate in compactness and operational capability Icw,1s = Ics for all Tempower2 ACBs. Increased accessibility from the front It enhances ease of installation, operation, and maintenance. TemPower2 TemPower2 is the world’s first Conventional “Double Break” ACB, having two Connection to the main circuit (for front connections) breaking contacts per phase.
  • Page 4 Long time delay Short time delay “DoubleBreak” system Instantaneous The unique “DoubleBreak” main contact system At Terasaki our protection ensures extremely fast interruption of short circuit relays have ‘LSI’ characteristics as standard. currents and substantially reduces main contact wear. The internally symmetrical “DoubleBreak” structure...
  • Page 5 Backlit LCD installed Backlit LCD installed For details please refer to page 12. For other protocols please contact terasaki. Used in conjunction with an externally mounted Zero phase Overload protection Reverse power trip function Current Transformer (ZCT), this function provides protection Contact temperature against leakage to earth of very small levels of current.
  • Page 6 Features Double opening and Optimum protective closing coils coordination Why use a separate panel mounted protection relay when Double Opening and Closing Coils provides extended control system redundancy to an ACB. Double coils allow designers to you can have all the benefits of I.D.M.T. protection integral to implement back-up tripping and closing systems.
  • Page 7 TemPower2 provides solutions to satisfy customer needs. System harmonics, in the face of increasing triple-N harmonic currents Terasaki have launched a range of ACBs with double neutrals from 800 – 6300Amps – The ‘AR-DN’. Terasaki have SWITCHBOARD BUILDER the widest range of double rated neutral ACBs on the global market.
  • Page 8 Appearance and Features Internal Construction Communication facility Appearance added to TemPower2 Data measurement TemPower2 is equipped with a communication interface unit that allows data exchange with a host PC via a Phase current The phase current I and max current Imax are measured and transmitted. Modbus open network.
  • Page 9 : Contact TERASAKI for details. r : 4 pole ACBs without Neutral phase protection can not be applied to i : Please contact TERASAKI for DC application. q : Values in open air at 40°C (45°C for marine applications).
  • Page 10 Specifications Types of Mounting Draw-out type Fixed type (standard series only) This type of ACB consists of a breaker body and a draw-out This type of ACB has no draw-out cradle and is designed to be cradle. The breaker body can be moved within or removed directly mounted in the switchboard.
  • Page 11 The storage draw-out handle can be housed flush with the front surface of the ACB. (The storage handle will incur extra cost). Note 2: Contact TERASAKI for the details for fitting Door interlock with IP55 cover. Contact Terasaki for products with CE marking.
  • Page 12 Specifications Specifications Spring Charged Operation Operation power supply Applicable voltage range (V) Operation power supply ratings Rated voltage Manual charging type CHARGE/ OFF operation Motor inrush Motor steady-state Closing command ON operation (Note1) current (peak) (A) current (A) current (peak) (A) For this type of ACB, the closing springs are charged by means of the spring charging handle.
  • Page 13 AVR–1C DC24 DC16.8–26.4 1.65 DC48 DC33.6–52.8 0.86 0.57 specification. Special double opening and closing coils are DC100 DC70–110 0.39 0.26 available, contact TERASAKI for details. DC110 DC77–121 0.37 0.25 DC125 DC87.5–137.5 0.31 0.21 DC200 DC140–220 0.19 0.13 DC220 DC154–242...
  • Page 14 48 ¶ 2 16.8 – 33.6 40.8 100 ¶ 2 35 – 70 ¶2: Soon to be available. Contact TERASAKI for the details. 200% 1000% Current eAdjustable instantaneous trip function INST/MCR The INST trip function trips the ACB when the short circuit cur- rent exceeds the pickup current setting, irrespective of the state of the ACB.
  • Page 15 (selectable from 80%, 85%, 90% or 95% of the rated main Note that this function needs the control power. contact Terasaki. If you want to set the threshold temperature to a lower value, circuit voltage [Vn]).
  • Page 16 Specifications Operation indication function OCR with advanced L.C.D. display, type AGR-31B (contact Terasaki for details) zMonitoring various data on L.C.D. zIndication via single contact (AGR-11B) c-1 Contact ratings of Trip indicator and Spring charge indicator OCR can monitor, When the LT, ST, INST or GF trip function is activated, an out-...
  • Page 17 Selection of two or more functions in- 1-channel PTA Is inoperative. r : Soon to be available. Contact TERASAKI for details. volves manual connection of their control circuits (spe- 2-channel PTA cial specification). Contact Terasaki for details.
  • Page 18 Specifications L-characteristic for general feeder circuits (Type AGR-11BL, 21BL, 31BL) Values of [ I ] and [ I Setting range of protection functions Type Applicable Rated current [ I ](A) Type Applicable Rated current [ I ](A) Type Applicable Rated current [ I ](A) ~ 0.5 ~ 0.63...
  • Page 19 Specifications R-characteristic for general feeder circuits (Type AGR-21BR, 31BR) Values of [ I ] and [ I Setting range of protection functions Type Applicable Rated current [ I ](A) Type Applicable Rated current [ I ](A) Type Applicable Rated current [ I ](A) ~ 0.5 ~ 0.63...
  • Page 20 Specifications S-characteristic for generator protection (Type AGR-21BS, 22BS, 31BS) Applicable range of generator rated current [ I Setting range of protection functions Type OCR rated primary Applicable range of generator Type OCR rated primary Applicable range of generator current [ I ](A) rated current [ I ] (A)
  • Page 21 AR220S, AR325S, AR332S, AR440S 101 (W) ~ 195 (H) ~ 44 (D) mm Dimensions AR212H, AR216H, AR316H AR220H, AR320H, AR325H, AR332H Weight 400 g Contact Terasaki for how to check the reverse power trip function. 4-M5 Tap for fixing secondary wiring 4-ø7 4-ø10...
  • Page 22 A double Castell interlocking facility suitable for applications such as UPS systems is For microload ¶¶ Type For general service eration. available as a special specification contact Terasaki. ¶ AXR-004 — Connections to the switches are made via screw terminals.
  • Page 23 Specify the reguired pitch when ordering. Maximum is 1200mm. ¶ : Mount IP20 door flange through 6 mounting holes and IP31 door flange Contact TERASAKI for the details of vertical type with 3 ACBs. through 10 mounting holes. Min 550 mm...
  • Page 24 Earthing devices on TemPower2 ACBs comprises; Permanent the ACB. parts which are factory fitted by Terasaki and are mounted on It is recommended that the ON-OFF operating buttons be pad- Recommendation for Busbars connection...
  • Page 25 Outline Dimensions •Type AR208S, AR212S, AR216S, AR220S, AR212H, AR216H, AR220H Draw-out type P : ACB Front cover center line Front connection Terminal size — — — — — — — — — — — — — — 2-ø11 CONNECTED position Control circuit terminal cover TEST position (optional)
  • Page 26 Outline Dimensions •Types: AR208S, AR212S, AR216S, AR220S Fixed type P : ACB Front cover center line mounting 2-ø11 hole ø14 Front connections 10.5 Maintenance 28 34 Main terminal space 208.5 (3P) 208.5 293.5 (4P) 188.5 (3P) 273.5 (4P) 188.5 175(3P) AR220S AR208S 240(3P)
  • Page 27 Outline Dimensions •Type AR325S, AR332S, 3-ø11 AR316H, AR320H, AR325H, AR332H Draw-out type P : ACB Front cover center line Front connection 11.5 21.5 21.5 11.5 CONNECTED position TEST position Control circuit terminal cover ISOLATED position Maintenance (optional) 2-ø20 rear panel cut 211.5 211.5(3P) space...
  • Page 28 Outline Dimensions •Types: AR325S, AR332S Fixed type 3-ø11 P : ACB Front cover center line mounting hole ø14 Front connections Maintenance 21.5 11.5 28 34 261 (3P) Main terminal space 381 (4P) 11.5 21.5 10.5 ON-OFF 228(3P) 241 (3P) button cover 293(3P) 348(4P) 361 (4P)
  • Page 29 Outline Dimensions •Types: AR440S Draw-out type P : ACB Front cover center line Control circuit terminal cover CONNECTED position TEST position ISOLATED position ON-OFF rear panel cut 2-ø20 button cover Lifting 435.5(3P) Maintenance front panel cut 40(conductor overlap max.) hole space 605.5(4P) 417(3P)
  • Page 30 Circuit Diagram (with AGR-11B OCR) CT for Motor charging/ Continuously-rated Main circuit Operation Undervoltage trip Position switches Auxiliary switches neutral line Operation circuit shunt trip ¶1 ON switch UVT power supply ¶4 Common Basic Optional Optional 09 08 18 28 24 30 UVT control circuit Over-current release...
  • Page 31 Circuit Diagram (with AGR-21B OCR) CT for Control Motor charging/ Continuously-rated Main circuit Operation Undervoltage trip Position switches Auxiliary switches neutral line power Operation circuit shunt trip ¶1 ON switch UVT power supply ¶4 Common Basic Optional Optional 09 08 18 28 24 30 UVT control circuit Over-current release...
  • Page 32 Circuit Diagram (with AGR-22B,31B OCR) Main circuit voltage for Control Motor charging/ Continuously-rated Main circuit Operation Undervoltage trip Position switches Auxiliary switches RPT and Monitoring power power Operation circuit shunt trip ¶1 ON switch UVT power supply ¶4 Common Basic Optional Optional 09 08 18 28...
  • Page 33 2710 1250 1480 1650 1600 1900 2280 2610 Note: The values are for vertical terminals on both line and load side. Above figures are subject to the design of the enclosure and rating of busbar. ¶: Contact Terasaki for details.
  • Page 34 Application Data What Is Discrimination? Discrimination Table Discrimination, also called selectivity, is the co-ordination of protective devices such that a Upsream: TemPower2 ACB with or without Integral Protection Relay fault is cleared by the protective device installed immediately upstream of the fault, and by Downstream: TemBreak2 MCCB that device alone.
  • Page 35 Accessories For Dual Supply Changeover Systems Accessories TemTransfer Automatic Changeover Controller The following table should be used as a guide when selecting Terasaki Tempower2 Air Circuit Breakers and fuses (BS88/ IEC269) which are immediately downstream from a transformer. The TemTransfer is a fully configurable Automatic Changeover Controller (ACC). It is designed to monitor the incoming AC mains supply (1 or 3 phases) for under/over voltage and under/over frequency.
  • Page 36 Order Form Order Form Page 1 of 2 Page 2 of 2...

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