Positioning Anchor Plates; Earthing - ABB SACE Emax 2 Series Installation, Operation And Maintenance Instructions

Positioning anchor plates The diagram below indicates the distance for positioning the first anchor plate according to the
Earthing The circuit-breaker in fixed version and the fixed part of withdrawable circuit-breaker are
29 | © 2013 ABB | 1SDH001000R0002 - L7804
type of circuit-breaker type and the peak current:
500
E2.2 E4.2
450
400
350
300
250
200
150
80 100 120
Figure 59
(1): distance of the first anchor plate from the circuit-breaker terminals
(2): peak current
equipped with a screw for the earth connection.
The connection must be implemented by means of a conductor of suitable cross-section
according to the IEC 61439-1 standard.
Clean and degrease the area around the screw before making the connection.
After assembly of the conductor, lock the screw with a torque of 2 Nm.
Figure 60
E6.2
140 160 180 200 220
Figure 61
ABB | SACE Emax 2
240 260
Ipk [kA] (2)
Emax E2.2-E4.2-E6.2 circuit-breakers | 6 - Installation
L
L