
PCM30U, PCM30U-OCH – User's, Operating and Maintenance Manual
E.1.7.4 Outputs
voltage drop at max. load
Outputs
typical value
max. value
1-4
electronic-mechanic switch
100 mV
200 mV
5-10
electronic switch
1 V
1,4 V
Electrical resistance against ground and between
different outputs and inputs
> 100 M
Ω
/ 500 V DC
Overvoltage resilience against surge 10/700
μ
s
ITU-T K.20
1 kV
Electrical resilience of command contacts
Relay contacts / ground
> 4 kV DC / 3,75 kV AC RMS
Open relay contacts
280 V DC
Limited by electronic switch protection
Maximum contact load
Switched
voltage V DC
Permanent
condition A DC
Closed/open
contact
current A DC
L/R=40 ms
Open/closed
contact current
A DC, 0,2 s
L/R=10 ms
Outputs 1-4
5 ÷ 280 V
4 A
4 A
30 A
Outputs 5-10
5 ÷ 280 V
1 A
1 A
1,5 A
Electronic alarm relay
5 ÷ 280 V
1 A
1 A
1,2 A
24 V
4 A
1,2 A
48 V
1,5 A
0,5 A
60 V
1 A
0,4 A
110 V
0,6 A
0,22 A
220 V
0,4 A
0,1 A
Electromechanical alarm relay
280 V
0,3 A
0,06 A
4 A
Failure relays
electromechanical switch ERR2
Optionally on/off switch
electronic switch ERR1
Optionally on/off switch
Electrical resilience of alarm relays
Relay contacts / ground
> 4 kV DC
Relay contacts open
280 V DC
Limited by protection
Output switches lifetime
Switches w/o load
Switches at maximum load
Outputs 1-4
>1x10
7
>1x10
7
Outputs 5-10
> 1x10
12
> 1x10
12
Electronic alarm relay
> 1x10
12
> 1x10
12
Electro-mechanical alarm relay
> 1.5x10
7
> 5x10
5
Internal source for contacts
-24 VDC / 30 mA against ground
Power Channel Modules
E-18
446S037.914.14N00