Technical specifications
6.3 HSPA+ router SCALANCE M876-3
SCALANCE M874, M876
72 Operating Instructions, 08/2018, C79000-G8976-C331-08
Power supply
Terminal block, 5 terminals
Properties Input voltage:
• 12 to 24 VDC
• min. 10.8 VDC, max. 28.8 VDC
Maximum power consumption 8 W
Maximum cable length < 3 m
Digital input
Terminal block, 2 terminals
Properties Rated voltage 24 VDC Safety Extra Low Voltage
For state "1": 10 to 30 VDC
For state "0": -30 to 3 VDC
Maximum input current 8 mA
Cables should be routed in pairs
Maximum cable length < 30 m
Inputs isolated from electronics.
Digital output
Terminal block, 2 terminals
Properties Rated voltage 24 VDC Safety Extra Low Voltage
Relay, internally not current limited
Maximum current carrying capacity 1 A
Cables should be routed in pairs
Maximum cable length < 30 m
Output isolated from electronics
Permitted ambient conditions
Ambient temperature During operation Without air flow and with a clearance at the side
of 5 cm to the neighboring device:
During transporta-
-40 ℃ to +70 ℃
≤ 95% at 25 °C, no condensation
Design, dimensions and weight