ABB SACE Emax 2 Series Installation, Operation And Maintenance Instructions

ABB | SACE Emax 2
Putting into service and maintenance | 5 - Second level maintenance
259 | © 2013 ABB | 1SDH001000R0002 - L7804
Disassembly operations
To disassemble the parts of the circuit-breaker:
1. Remove the transparent flange (A) of the release, by turning the screws (B).
2. Remove the escutcheon plate of the circuit-breaker (C), by removing the mounting
screws (D).
C
1
2
1
90°
1
2
Figure 96 - Removing the flange and escutcheon plate
3. Remove one or both of the side guards (I) (if installed) by removing the front screws (L).
4. Remove the gearmotor (E) by removing the screw (F).
I
L
Figure 97 - Removing the flange
E
E
F
Figure 98 - Removing the gearmotor
1. If there is a minimum voltage coil (G), remove it, and discharge the springs of the operating
mechanism for closing and opening the circuit breaker.
G
Figure 99 - Removing the undervoltage coil
Continued on the next page

ABB SACE Emax 2 Series Specifications

General

Breaking capacity	Up to 150kA
Number of poles	3 or 4 poles
Communication protocols	Modbus, Profibus
Standards	IEC 60947-2
Type	Air circuit breaker
Mounting	Fixed, Withdrawable