Battery Voltage Relay
Part Number | Type | Nominal Voltage | Voltage |
999C125 | BVR | 125 V | Over & Under |
999C127 | BVR | 48 V | Over & Under |
999C128 | BVR | 24 V | Over & Under |
999C130 | BUR | 125 V | Under |
999C132 | BUR | 48 V | Under |
999C133 | BUR | 24 V | Under |
999C135 | BUR | 250 V | Under |
999C140 | BUR | 125 V | Dual Set Point Under |
999C141 | BUR | 48 V | Dual Set Point Under |
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Overview
Specifications
Dimensions
Battery Voltage Relay - BVR, BUR
- High Reliability
- High Input Impedance
- Simple Installation
- Monitors 24 V, 48 V, 125 V, and 250 V batteries
Battery Voltage Relays supply alarm indications at precise voltages for undervoltage and overvoltage conditions. designed to prevent damage and incorrect operation during anticipated transient conditions.
The Battery Voltage Relay features top mounted terminals for easy access to electrical connections. Also located on the top exterior are undervoltage and overvoltage test points and the trip setting pots with locking bushings. The relay can be securely mounted through four holes located on the base of the unit.
Setting Ranges | |
70 to 140% of nominal battery voltage | |
Accuracy Setting | |
±0.5 Volts over entire range of voltage and environments | |
Outputs | |
UV N.C. Contacts - dropout for undervoltage OV N.O. Contacts - close on overvoltage | |
Contact Rating | |
125 Vac | Resistive: 5 A Inductive: 2.5 A |
30 Vdc | Resistive: 3 A Inductive: 0.6 A |
expected life-5 x 105 operations at above ratings | |
Operate Time | |
2 seconds minimum | 5 seconds nominal |
Noise Immunity | |
IEEE/ANSI Standard C 37.90a -1989 compliance | |
Case Dimensions | |
6.0 x 3.375 x 4.06 inches | |
Case Material | |
Anodized Aluminum | Weight: 1.0 - 1.5 lbs |
Weight | |
1.0 - 1.5 lbs | |
Temperature Range | |
Operating: 0 - 55 C | Storage: -54 to 71 C |
Setting | |
Single turn Locking Potentiometer — Midpoints | Setting by internal potentiometer |
Humidity | |
0 to 95% R.H. non-condensing | |
Vibration | |
0 to 2.5 g., Up to 25 Hz |