Description
Pin #
Name
Pin Description
1
CTG
Ground Neutral current transformer stimulus
2
SCM
Test input for SCR functionality
3
CTB
Differential current transformer bias voltage
4
CTS
Differential current input
5
CTO
Differential current to voltage output
6
IDF
Differential low pass filte
Features
- Meets UL943 Self.
- test GFCI Requirements.
- 4.0.
- 12 V Operation
(120.
- 480 V AC Mains with the Appropriate Series Impedance).
- Wide Operating Temperature Range from 40°C to 95°C.
- Low Quiescent Current.
- Optimized Solenoid Deployment
(Coil is not Energized Near the AC Mains Zero Crossings).
- Power Supply Monitor that Verifies Full Diode Bridge Operation.
- Tiered GF Trip Times that Increase Immunity to Noise.
NCS37021 Datasheet
