Technical data

52
Protective Devices
Electronic Combined RCD/MCB Devices eRBM, 1+N-pole, 1 Module Unit
• Electronic residual current device / miniature circuit breaker combination in
only 1MU
• Tripping line voltage dependent
• Contact position indicator red - green
• Can be sealed with leads in the on and off position
• Colour coded switching toggle (designating the rated current)
• Permanently connected neutral conductor (950 mm long, blue)
• Special application in British-Standard-Distibution Boxes
• Can be connected to standard busbar (at the lower side)
• Comprehensive range of accessories suitable for subsequent installation
Accessories:
Auxiliary switch for
subsequent installation Z-AHK 248433
Tripping signal switch for
subsequent installation Z-NHK 248434
Shunt trip release Z-ASA/.. 248286, 248287
Tripping module Z-KAM 248294
Technical Data
Electrical
Design according to BS/EN 61009
Current test marks as printed onto the device
Number of poles 1+N-pole
Pole switched,
N led through (solid neutral)
Rated voltage U
n
240 VAC
Rated frequency 50/60 Hz
Rated current I
n
6 - 45 A
Rated tripping current I
Δn
10, 30, 100, 300 mA
Sensitivity pulsating DC
Tripping Characteristic RCD component:
Tripping
line voltage-dependent instantaneous
Peak withstand current 250A (8/20µs)
Rated non-tripping current I
Δno
0.5 I
Δn
Voltage range for protective function 184 - 264 V~
Tripping Characteristic MCB component
Conventional non-tripping current 1.13 I
n
Conventional tripping current 1.45 I
n
Reference temperature 30°C
Characteristic B, C
Rated breaking capacity 10 kA
Selectivity class 3
Maximum back-up fuse > 6 kA 100 A gL
Endurance electrical comp. ≥ 4,000 operating cycles
mechanical comp. ≥ 20,000 operating cycles
Mechanical
Frame size 45 mm
Device height 102.6 mm
Device width 17.7 mm (1MU)
Mounting quick fastening with
2 lock-in positions on
DIN rail IEC/EN 60715
Upper terminals lift terminals
Lower terminals open mouthed/lift terminals
Terminal protection finger and hand touch safe,
BGV A3, ÖVE-EN 6
Terminal capacity 1 - 25 mm
2
Busbar thickness below 0.8 - 2 mm
Degree of protection, built-in IP40
Perm. ambient temperature range -25°C to +40°C
Resistance to climatic conditions 25-55°C/90-95% relative
humidity acc. to IEC 60068-2
Dimensions (mm)
Connection diagram
1+N-pole