Dold Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail

Voltage monitoring for 3 phase systems
3 phase mains, 50 → 400 Hz
Arithmetic average measurement
Adjustable response and fall-back values
For mains with or without a neutral conductor
Closed circuit current principle; output relay not activated in the event of a fault
LED status displays
Impervious to harmonics
Overall width 45 mm
Input
Overload capability: 1.2 UN continuous
Response value RAN: 0.85 → 1.05 UN adjustable
Fall-back value: 0.75 → 0.95 UAN adjustable
Output
Contact assignment: 2 changeovers
Contact type: Spring contact
Thermal current: 6 A
Switching capacity: 3 A (as per AC 11, 230 V), 2 A (as per DC 11, 24 V)

Phase Sequence/Failure Relays

Monitoring of 3 phase supplies
Orange housing manufactured to DIN 43 880
DIN rail mount