2-46 L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS CHAPTER 2: PRODUCT DESCRIPTION
2
Low range power supply: 8 A / 250 V
High range power supply: 4 A / 250 V
Interrupting capacity:
AC: 100 000 A RMS symmetrical
DC: 10 000 A
2.6.7 Outputs
FORM-A RELAY
Make and carry for 0.2 s: 30 A as per ANSI C37.90
Carry continuous: 6 A
Break (DC inductive, L/R = 40 ms):
Operate time: < 4 ms
Contact material: silver alloy
LATCHING RELAY
Make and carry for 0.2 s: 30 A as per ANSI C37.90
Carry continuous: 6 A as per IEEE C37.90
Break (DC resistive as per IEC61810-1):
Operate time: < 4 ms
Contact material: silver alloy
Control: separate operate and reset inputs
Control mode: operate-dominant or reset-dominant
FORM-A VOLTAGE MONITOR
Applicable voltage: approx. 15 to 250 V DC
Trickle current: approx. 1 to 2.5 mA
FORM-A CURRENT MONITOR
Threshold current: approx. 80 to 100 mA
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):
Voltage Current
24 V 1 A
48 V 0.5 A
125 V 0.3 A
250 V 0.2 A
Voltage Current
24 V 6 A
48 V 1.6 A
125 V 0.4 A
250 V 0.2 A
Voltage Current
24 V 1 A
48 V 0.5 A
125 V 0.3 A
250 V 0.2 A