2-28
F35 MULTIPLE FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS
CHAPTER 2: PRODUCT DESCRIPTION
2
FORM-C AND CRITICAL FAILURE RELAY
Make and carry for 0.2 s:
30 A as per ANSI C37.90
Carry continuous:
8 A
Break (DC inductive, L/R = 40 ms):
Operate time:
< 8 ms
Contact material:
silver alloy
FAST FORM-C RELAY
Make and carry:
0.1 A max. (resistive load)
Minimum load impedance:
Operate time:
< 0.6 ms
Internal Limiting Resistor:
100
Ω,
2 W
SOLID-STATE OUTPUT RELAY
Operate and release time:
<100 µs
Maximum voltage:
265 V DC
Maximum leakage current in off state
(excluding voltage monitor circuit current): 100 µA
Maximum continuous current:
5 A at 45°C; 4 A at 65°C
Make and carry:
for 0.2 s:
30 A as per ANSI C37.90
for 0.03 s:
300 A
Breaking capacity:
CONTROL POWER EXTERNAL OUTPUT (For dry contact input)
Capacity:
100 mA DC at 48 V DC
Isolation:
±300 Vpk
Voltage
Current
24 V
1 A
48 V
0.5 A
125 V
0.3 A
250 V
0.2 A
Input voltage Impedance
2 W Resistor
1 W Resistor
250 V DC
20 K
Ω
50 K
Ω
120 V DC
5 K
Ω
2 K
Ω
48 V DC
2 K
Ω
2 K
Ω
24 V DC
2 K
Ω
2 K
Ω
Note: values for 24 V and 48 V are the same due to a
required 95% voltage drop across the load
impedance.
Specification
UL 508
Utility application
(autoreclose scheme)
Industrial application
Operations per
interval
5000 operations,
1 second on,
9 seconds off
5 operations
0.2 seconds on
0.2 seconds off
within 1 minute
10000 operations
0.2 seconds on
30 seconds off
1000 operations
0.5 seconds on,
0.5 seconds off
Break capability
(0 to 250 V DC)
3.2 A at L/R = 10 ms
10 A at L/R = 40 ms
10 A at L/R = 40 ms
1.6 A at L/R = 20 ms
0.8 A
L/R = 40 ms
