Modular units

DE53535
DE59228
Characteristics of
the functional units
DMVL-A
Single-isolation disconnectable circuit breaker unit
Electrical characteristics
kA Ik/1s & Isc
25
20
16
12.5
Ir = 630 A
7.2 12 17.5 24
Ur
kV
DE59703
DE59717
Functional units selection
Vacuum type circuit breaker protection
DMVL-D
Single-isolation disconnectable circuit breaker unit
Outgoing line on right
kA Ik/1s & Isc
25
20
16
12.5
Basic equipment:
b Evolis circuit breaker lateral disconnectable
b disconnector and earthing switch
b mechanical interlocking between circuit breaker and disconnector
b three-phase busbars
b circuit breaker operating mechanism RI
b disconnector operating mechanism CS
b voltage presence indicator
b auxiliary contacts on circuit breaker
b 3 CTs
b connection pads for dry-type cables
b downstream earthing switch 2 kA rms making
capacity
Optional accessories:
b cubicle:
v auxiliary contacts on the disconnector
v three voltage transformers
v key-type interlocks
v 50 W heating element
v connection enclosure for cabling from above
v 1250 A three-phase upper busbars at Ir 630 A
v 630 A three-phase upper busbars for severe operating conditions
v enlarged low-voltage control cabinet
v Sepam relay protection
v surge arresters
Ir = 630 A
7.2 12 17.5 24
b circuit breaker:
v motor for operating mechanism
v release units (coil)
v operation counter on manual operating mechanism
54 AMTED398078EN.indd
Ur
kV