Modular units

DE53527
DE59220
Characteristics of
the functional units
CVM
Disconnectable contactor unit
Electrical characteristics
kA Ik/1s & Isc
10
8
6.3
Ir = 400 A
7.2
AMTED398078EN.indd
12
Ur
kV
DE53528
DE59221
Functional units selection
Contactor protection
CVM
Disconnectable contactor unit with fuses
kA Isc
Ir = 250 A
7.2 12
Basic equipment:
b vacuum contactor
b disconnector and earthing switch
b three-phase busbars
b contactor operating mechanism with magnetic holding or contactor with mechanical latching
b disconnector operating mechanism CS
b one to three current transformers
b auxiliary contacts on contactor
b connection pads for dry-type cables
b voltage presence indicator
b downstream earthing switch 2 kA rms making capacity
b operation counter on contactor
b enlarged low-voltage control cabinet
b mechanical interlocking between contactor and disconnector/earthing switch
Version:
b LPCT (only with Sepam series 20, series 40, series 80)
25
20
16
12.5
Optional accessories:
b cubicle:
v auxiliary contacts on the disconnector
v protection using Sepam programmable electronic unit
v one to three voltage transformers
v key-type interlocks
v 50 W heating element
v 1250 A three-phase upper busbars
v 630 A three-phase upper busbars for severe operating conditions
b contactor:
v mechanical interlocking
b equipment for three DIN striker fuses
b mechanical indication system for blown fuses
b auxiliary contact for blown fuses
b DIN striker fuses
Ur
kV
49