Download
Share
Print this page
Eaton Digitrip RMS 310 Instruction Leaflet
  1. Manuals
  2. Brands
  3. Eaton Manuals
  4. Other
  5. Digitrip RMS 310
  6. Instruction leaflet
Eaton Digitrip RMS 310 Instruction Leaflet

Eaton Digitrip RMS 310 Instruction Leaflet

3-pole and 4-pole trip unit installation and operation with k-frame series c circuit breakers
Hide thumbs Also See for Digitrip RMS 310:

Advertisement

Quick Links

See also: Instruction Manual
Instruction Leaflet IL29C614F
Instructions for The Digitrip RMS 310 3-Pole and
4-Pole Trip Unit Installation and Operation with
K-Frame Series C Circuit Breakers
Effective December 2011
Supersedes IL29C614E 02/09
Contents
Description
1.0 General Information . . . . . . . . . . . . . . . . . . . . . 2
2.0 UL Listed Devices . . . . . . . . . . . . . . . . . . . . . . 3
3.0 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4.0 Principle of Operation . . . . . . . . . . . . . . . . . . 11
5.0 Protection Settings . . . . . . . . . . . . . . . . . . . . 11
6.0 Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
7 .0 Rating Plug . . . . . . . . . . . . . . . . . . . . . . . . . . 15
8.0 References . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Page

Advertisement

loading
Need help?

Need help?

Do you have a question about the Digitrip RMS 310 and is the answer not in the manual?

Questions and answers

Related Manuals for Eaton Digitrip RMS 310

Summary of Contents for Eaton Digitrip RMS 310

  • Page 1: Table Of Contents

    Effective December 2011 Instruction Leaflet IL29C614F Supersedes IL29C614E 02/09 Instructions for The Digitrip RMS 310 3-Pole and 4-Pole Trip Unit Installation and Operation with K-Frame Series C Circuit Breakers Contents Description Page 1.0 General Information ..... 2 2.0 UL Listed Devices .

  • Page 2: General Information

    1.0 GENERAL INFORMATION 1.1 PROTECTION The Digitrip RMS 310, illustrated in Figures 1a, and 1b, is an electronic trip unit that incorporates a microproces- sor-based custom application specific integrated circuit design for use with Series C K-Frame Molded Case Circuit Breakers.

  • Page 3: Ul Listed Devices

    (IEC) recommendations for molded case circuit break- the trip unit. ers. Digitrip RMS 310 Trip Units are suitable for 50/60 Hz AC applications only. For DC applications, a thermal-mag- 3.0 INSTALLATION netic trip unit should be used.
  • Page 4 Instructions for The Digitrip RMS 310 3-Pole and Instruction Leaflet IL29C614F 4-Pole Trip Unit Installation and Operation with Effective December 2011 K-Frame Series C Circuit Breakers Circuit Shunt Conductor Breaker Plate Base Inserts Shunt Plates Conductor Conductor Barriers Barriers Base Load End (Cover Removed)
  • Page 5 Instructions for The Digitrip RMS 310 3-Pole and Instruction Leaflet IL29C614F 4-Pole Trip Unit Installation and Operation with Effective December 2011 K-Frame Series C Circuit Breakers Bend Tab Line End at Scored Line Latch Bracket and Break Out Side Plate Trip Unit...
  • Page 6 The polarity of the sensor connections is critical. Always observe the polarity markings on the instal- Digitrip RMS 310 Ground Fault Trip Units detect ground lation drawings. The polarity markings are identified fault currents through Residual Sensing. They are not as white dots on the transformers.
  • Page 7 Instructions for The Digitrip RMS 310 3-Pole and Instruction Leaflet IL29C614F 4-Pole Trip Unit Installation and Operation with Effective December 2011 K-Frame Series C Circuit Breakers tests to comply with National Electric Code require- Source ments under Article 230-95(C). See Section 6.2 for testing instructions.
  • Page 8 Instructions for The Digitrip RMS 310 3-Pole and Instruction Leaflet IL29C614F 4-Pole Trip Unit Installation and Operation with Effective December 2011 K-Frame Series C Circuit Breakers 3.3.3 ACCESSORY INSTALLATION WITH GROUND Finish installation of the ground fault trip unit by follow- FAULT TRIP UNITS ing the instructions in Section 3.5.
  • Page 9 Instructions for The Digitrip RMS 310 3-Pole and Instruction Leaflet IL29C614F 4-Pole Trip Unit Installation and Operation with Effective December 2011 K-Frame Series C Circuit Breakers Install circuit breaker cover and pan-head screws fol- lowed by thread forming screws as shown in Figure 10.
  • Page 10 Instructions for The Digitrip RMS 310 3-Pole and Instruction Leaflet IL29C614F 4-Pole Trip Unit Installation and Operation with Effective December 2011 K-Frame Series C Circuit Breakers 4 x I 3 x I 5 x I 2 x I 1 x I Ground Fault Pick-up...

  • Page 11: Principle Of Operation

    In open air at 40°C (104°F), an K Frame circuit breaker 6.1). IF THE STATUS LIGHT IS ON STEADY, IT INDI- with a Digitrip RMS 310 Trip Unit installed will carry cont- CATES A TRIP IS PENDING. inuously up to 400 amperes without exceeding a 50°C (122°F) rise at the terminals.

  • Page 12: Testing

    Instructions for The Digitrip RMS 310 3-Pole and Instruction Leaflet IL29C614F 4-Pole Trip Unit Installation and Operation with Effective December 2011 K-Frame Series C Circuit Breakers NOTICE These ampere values are always the same no matter what rating plug is installed in the circuit breaker.
  • Page 13 NOTICE avoid improper operations following apparently correct sim- ulated test operations. Where a question exists, consult the Since the Digitrip RMS 310 Trip Units derive their specifying engineer and/or equipment assembler. operating power from the phase currents, and not The grounding points of the system shall be verified to...
  • Page 14 For all other GFPU settings, using a low voltage (0-24 volt), high current, AC source, apply a test current of 125% of the Digitrip RMS 310 Ground Fault Trip Unit pick-up setting through one phase of the circuit breaker, as shown in Figure 15-1.

  • Page 15: Rating Plug

    Instructions for The Digitrip RMS 310 3-Pole and Instruction Leaflet IL29C614F 4-Pole Trip Unit Installation and Operation with Effective December 2011 K-Frame Series C Circuit Breakers GROUND FAULT TEST RECORD FORM Ground Fault Test Record Should Be Retained by Those in Charge of the Building’s Electrical Installation in Order to Be Available to the Authority having Jurisdiction.
  • Page 16 Ground Fault Alarm Unit • Shunt Trip ..........I.L. 29C144 • Low Energy Shunt Trip ......I.L. 29C145 • Undervoltage Release Mechanism (Handle Reset) ..........I.L. 29C166 Table 1-1 Digitrip RMS 310 Trip Unit Type Catalog Numbers. Trip Unit Functions 3 POLE 4 POLE KES3125LS...
  • Page 17 Instructions for The Digitrip RMS 310 3-Pole and Instruction Leaflet IL29C614F 4-Pole Trip Unit Installation and Operation with Effective December 2011 K-Frame Series C Circuit Breakers Table 1-2 Digitrip RMS 310 Trip Unit Trip Function and Rating Settings. Trip Function Rating/Setting Description Ampere Rating Fixed rating plugs available:...
  • Page 18 Instructions for The Digitrip RMS 310 3-Pole and Instruction Leaflet IL29C614F 4-Pole Trip Unit Installation and Operation with Effective December 2011 K-Frame Series C Circuit Breakers Notes: EATON CORPORATION www.eaton.com...
  • Page 19 Instructions for The Digitrip RMS 310 3-Pole and Instruction Leaflet IL29C614F 4-Pole Trip Unit Installation and Operation with Effective December 2011 K-Frame Series C Circuit Breakers Notes: EATON CORPORATION www.eaton.com...
  • Page 20 Instruction Leaflet IL29C614F Instructions for The Digitrip RMS 310 3-Pole and 4-Pole Trip Unit Installation and Operation with Effective December 2011 K-Frame Series C Circuit Breakers The instructions for installation, testing, maintenance, or repair herein are provided for the use of the product in general commercial applications and may not be appropriate for use in nuclear applica- tions. Additional instructions may be available upon specific request to replace, amend, or supplement these instructions to qualify them for use with the product in safety-related applications in a nuclear facility. This Instruction Booklet is published solely for information purposes and should not be considered all-inclusive. If further information is required, you should consult an authorized Eaton sales representa- tive. The sale of the product shown in this literature is subject to the terms and conditions outlined in appropriate Eaton selling policies or other contractual agreement between the parties. This literature is not intended to and does not enlarge or add to any such contract. The sole source governing the rights and remedies of any purchaser of this equipment is the contract between the purchaser and Eaton.