Littelfuse 102A-3 Voltage Monitor Specifications
3-Phase Line Voltage . . . . . . . . . . . . 190 to 480 VAC
Frequency
. . .
. . . . . . . . . . . . . . . . . . 50 or 60 Hz
Low Voltage (% of set point)
- Trip . . . . . . . . . . . . . . . . . . . . . . . . . . 90%
- Reset . . . . . . . . . . . . . . . . . . . . . . . . . 93%
Voltage Unbalance (NEMA)
- Trip . . . . . . . . . . . . . . . . . . . . . . . . . . 6%
- Reset . . . . . . . . . . . . . . . . . . . . . . . . . 4.5%
Trip Delay Time
- Low/High Voltage . . . . . . . . . . . . . . . . 4 seconds (standard)
- Unbalance & Phasing Faults . . . . . . . 2 seconds
Restart Delay Time
- After a Fault . . . . . . . . . . . . . . . . . 2 seconds (standard)
- After a Complete Power Loss. . . . . . . 2 seconds (standard)
Output Contact Rating
- SPDT- 1 Form C. . . . . . . . . . . . . . . . . . . . . . . . 480 VA @ 240
VAC Pilot Duty
- . . . . . . . . . . . . . . . . . . . . . . . . . . . . or 10A @240
VAC General Purpose
Temperature Range
- Operating. . . . . . . . . . . . . . . . . . . . . . . . -40° to 70°C (-40° to 158°F)
- Storage . . . . . . . . . . . . . . . . . . . . -40° to 80°C (-40° to 176°F)
Trip & Reset Accuracy . . . . . . . . . . . . . . . . . . . . ±1%
Power Consumption . . . . . . . . . . . . . 5 Watts (Max.)
Terminal Torque . . . . . . . . . . . . 7 in.-lbs
Wire Size . . . . . . . . . . . . 12-18AWG
Electrostatic Discharge (ESD) . . . . . IEC 61000-4-2, Level 3, 6kV contact, 8kV air
Fast Transient Burst . . . . . IEC 61000-4-4, Level 3, 4kV input, 2kV input/output
Transient Protection (Internal) . . . . . IEC 1000-4-5; 1995 ±6kv
Safety Marks
- UL. . . . . . . . . . . . . . . . . . . . . . . . UL508 (File #E68520)
- CSA . . . . . . . . . . . . . . . . . . . . 22.2 No. 14 (File #46510)
- CE . . . . . . . . . . . . . . . . . . . . IEC 60947-6-2
Weight
. . . .
. . . . . . . . . . . . . . . . . . . . 16.8 oz.
Mounting Method . . . . . . . . .#8 screws
*Note: 50 Hz will increase all delay timers by 20%.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov