ABB SACE Emax 2 - User Manual

ABB SACE Emax 2

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DOC. N° 1SDH000999R0002 - ECN000058721 - Rev. B

SACE Emax 2

Emax E1.2 low voltage air circuit-breakers

Installation, operation and maintenance instructions for

the installer and the user

Table of Contents

Other manuals for ABB SACE Emax 2

Installation, Operation And Maintenance Instructions108 pages

User Manual14 pages

Instructions40 pages

Mounting Instructions13 pages

Owner's Manual20 pages

Quick Start Guide7 pages

Preliminary Operation Manual8 pages

Mounting8 pages

Questions and Answers:

D
dhorneSep 3, 2025
Why is it not possible to charge the closing springs by means of the gearmotor in ABB SACE Emax 2 Circuit breakers?
- F
  Franklin PerrySep 3, 2025
  If it is not possible to charge the closing springs by means of the gearmotor, it could be due to: * The cables of the gearmotor are not inserted correctly in the terminals. Make sure there is continuity between cable and terminal and if necessary reconnect the cables of the gearmotor to the terminals. * The connections of the power supply circuit are wrong. Check the connections using the relevant wiring diagram. * The circuit-breaker is in disconnected position. Switch the circuit-breaker to the test or connected position. * The gearmotor protection internal fuse has tripped. Replace the fuse. * The gearmotor is damaged. Replace the gearmotor.
I
Isaiah StanleySep 2, 2025
What causes ABB Circuit breakers not being able to lock in the open position?
- C
  cynthiawallaceSep 2, 2025
  If it is not possible to lock the ABB circuit-breaker in the open position: * The opening pushbutton is not being pressed. Press the opening pushbutton and activate the lock. * The lock in open position is defective. Contact ABB.
M
Matthew DavisSep 1, 2025
What causes ABB SACE Emax 2 Circuit breakers not being able to remove from the disconnected position?
- R
  robert56Sep 2, 2025
  If it is not possible to remove the ABB circuit-breaker from the disconnected position it can be caused by Fail Safe lock being active. Discharge the closing springs of the command.
M
Mark CampbellAug 31, 2025
What causes Trip times different than expected in ABB SACE Emax 2 Circuit breakers?
- T
  Travis AllenAug 31, 2025
  If trip times are different than expected in your ABB Circuit breakers, it could be due to: * Wrong threshold/time/curve selected: Correct parameters. * Thermal memory enabled: Disable it if it is not necessary. * Zone selectivity enabled: Disable it if it is not necessary. * Incorrect neutral selection: Modify the neutral selection.
C
Cody MedinaAug 30, 2025
How to troubleshoot display off and/or not backlit in ABB SACE Emax 2?
- M
  Marie KentAug 30, 2025
  If the display is off and/or not backlit on your ABB Circuit breaker, it could be due to: * No auxiliary supply or currents lower than minimum turn-on values: Correct operating condition. * Temperature outside range: Correct operating condition.
S
Steven ScottAug 30, 2025
How to troubleshoot measurements incorrect or absent (current, voltage, etc) in ABB SACE Emax 2 Circuit breakers?
- P
  Patricia MunozAug 30, 2025
  If you find measurements incorrect or absent (current, voltage, etc.) on your ABB Circuit breakers, consider the following possible causes: * Current below the minimum threshold that can be displayed: Correct operating condition. * Incorrect frequency setting: Set frequency. * Harmonic distortion and/or crest factor off range: Correct operating condition. * Incorrect connection between isolation transformer and Measurement module: Check connections between isolation transformer and Measurement module. * Rated voltage parameter setting Error: Set the correct parameters.
E
Elizabeth HoustonAug 29, 2025
Why is the state of CB Position field not aligned with circuit-breaker position in ABB?
- S
  shelley89Aug 29, 2025
  The state of the CB Position field might not align with the circuit-breaker position due to the absence of Ekip Com or Ekip Link modules, or contact S75I. To resolve this, check for the presence of Ekip Com or Ekip Link modules and connect contact S75/I.
B
Benjamin EdwardsAug 28, 2025
What causes ABB Circuit breakers not to open when the opening coil is powered?
- J
  Jonathan KimAug 28, 2025
  The ABB circuit-breaker may not open when the opening coil is powered due to: * The operating mechanism being blocked. Contact ABB. * The power supply voltage of the auxiliary circuits being too low. Measure the voltage: it should not be lower than 85 % of the rated voltage of the coil. * The power supply voltage being different from that indicated on the rating plate. Use the correct voltage. * The cables of the coil not being inserted correctly in the terminals. Make sure there is continuity between cable and terminal and if necessary reconnect the cables of the coil to the terminals. * The connections of the power supply circuit being wrong. Check the connections using the relevant wiring diagram. * The opening coil being damaged. Replace the coil.
K
Krista LopezAug 27, 2025
How to fix communication problems with Ekip Com, Ekip Link, Ekip Signalling or Ekip CI in ABB SACE Emax 2?
- D
  diazryanAug 27, 2025
  If you're experiencing communication problems with Ekip Com, Ekip Link, Ekip Signalling, or Ekip CI in your ABB Circuit breakers, it might be due to the circuit-breaker being in the withdrawn position, Vaux being absent, or modules not inserted properly. To resolve this, insert the modules, set the circuit-breaker to the Connected position, and connect Vaux.
A
alex72Aug 26, 2025
What causes TRIP fail signaling Trip Fail command (BF) in ABB Circuit breakers?
- J
  Joshua FigueroaAug 27, 2025
  TRIP fail signaling Trip Fail command (BF) in ABB Circuit breakers can be caused by: * One or more of the following conditions: Trip coil not working, status contacts not working, faulty internal wiring. To solve this: 1. If closed, open CB in the manual mode and check changed status. 2. Press iTest, check that the signal has disappeared from the display and the general status of the alarms. 3. Check the conditions of the wiring and internal contacts. 4. Working in safety conditions, close the CB and perform a trip test via the trip unit. Contact ABB if problems persist.

ABB SACE Emax 2 Specifications

General

Type	Air circuit breaker
Rated Current	800 A to 6300 A
Breaking Capacity	Up to 150 kA at 415 V AC
Frequency	50/60 Hz
Number of Poles	3, 4
Installation	Fixed or withdrawable
Standards	IEC 60947-2
Trip Unit	Ekip Touch, Ekip Hi-Touch
Communication	Modbus, Profibus, Ethernet
Rated Voltage	690 V AC

Summary

Transport and Checking on Receipt

Description

Circuit-breaker Overview

Details of circuit-breaker types, structure, and components.

Environmental Conditions

Installation Environment

Requirements for dry, dust-free installation locations, and environmental factors.

Installation

Warnings and Precautions

Safety guidelines before starting installation procedures.

Mounting Procedures

Terminal Types and Connections

Ekip Protection Trip Units

Introduction and Trip Unit Overview

General introduction to Ekip trip units, types, and functions.

Ekip Dip Interface and Protections

Details of the Ekip Dip interface, operator controls, and protection functions.

Ekip Dip Measurements, Test, and Alarms

Accessories

Electronic Accessories

Mechanical Accessories

Putting into Service and Maintenance

Putting into Service

General checks and procedures for initial setup and commissioning.

Alarms and Failures

Identifying and resolving faults, causes, and error signals.

Maintenance Operations

Procedures for inspection, cleaning, lubrication, and testing.

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