Technical data

97
Protective Devices
Miniature Circuit Breakers PL7-DC
High selectivity between MCB and back-up fuse due to low let-through
energy
Compatible with standard busbar
Twin-purpose terminal (lift/open-mouthed) above and below
Busbar positioning optionally above or below
Meets the requirements of insulation co-ordination,
distance between contacts 4 mm, for secure isolation
Rated breaking capacity 10 kA according to IEC/EN 60947-2
Rated voltage up to 250 V (per pole),
τ = 4 ms
Take into account polarity!
Accessories:
Auxiliary switch for
subsequent installation ZP-IHK 286052
Tripping signal contact for
subsequent installation ZP-NHK 248437
Remote control and automatic switching device
Z-FW/LP 248296
Shunt trip release ZP-ASA/.. 248438, 248439
Undervoltage release Z-USA/.. 248288-248291
Compact enclosure KLV-TC-2 276240
KLV-TC-4 276241
Additional terminal 35mm
2
Z-HA-EK/35 263960
Switching interlock Z-IS/SPE-1TE 274418
Technical Data
Electrical
Design according to IEC/EN 60947-2
Current test marks as printed onto the device
Rated voltage
DC 1-2 A type: 220V (per pole)
3
-50 A types: 250V (per pole)
Rated breaking capacity
according to IEC/EN 60947-2 10 kA
Characteristic C
Back-up fuse max. 100 A gL
Selectivity class 3
Rated peak withstand voltage U
imp
4 kV (1.2/50µs)
Endurance electrical comp. 4,000 operating cycles
mechanical comp. 20,000 operating cycles
Line voltage connection optional (above/below)
Note: not for PV string protection!
Mechanical
Frame size 45 mm
Device height 80 mm
Device width 17.5 mm per pole (1MU)
Mounting quick fastening with
3 lock-in positions on
DIN rail IEC/EN 60715
Degree of protection IP20
Upper and lower terminals open mouthed/lift terminals
Terminal protection finger and hand touch safe,
BGV A3, ÖVE-EN 6
Terminal capacity 1-25 mm
2
Terminal fastening torque 2-2.4 Nm
Busbar thickness 0.8 - 2 mm
Mounting independent of position
Dimensions (mm)
Connection diagrams
1-pole 2-pole
1P
2P
Connection examples
Connection example at 250V=, 1-pole Connection example at 500V=, 2-pole