Voltage Monitoring Relay

102A Series – Three-Phase Voltage/Phase Monitor

Littelfuse 102A Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 480 Vac, 475 - 600 Vac

Output
Form:
SPDT - 1 Form C

Termination Type:
Torque: 7 in-lbs; Wire Size: 12 - 18 AWG, Torque: 7 in-lbs; Wire Size: 12 - 18AWG solid or stranded

Series Details

201-SP Series – Single-Phase Voltage/Phase Monitor

Littelfuse 201-SP Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 240 Vac, 95 - 120 Vac

Output
Form:
SPDT

Termination Type:
Torque: 12 in-lbs.; 12 - 22 AWG solid or stranded

Series Details

201-SP-DPDT Series – Single-Phase Voltage/Phase Monitor

Littelfuse 201-SP-DPDT Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 240 Vac, 95 - 120 Vac

Output
Form:
DPDT

Termination Type:
Torque: 12 in-lbs.; 12 - 22 AWG solid or stranded

Series Details

201A Series – Three-Phase Voltage/Phase Monitor

Littelfuse 201A Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 480 Vac

Output
Form:
SPDT

Termination Type:
Torque: 12 in-lbs.; 12 - 22 AWG solid or stranded

Series Details

201A-AU Series – Three-Phase Voltage/Phase Monitor

Littelfuse 201A-AU Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 480 Vac, 475 - 600 Vac

Output
Form:
Form C

Mounting Method:
DIN rail or surface mount (plug into OT08-PC socket)

Series Details

202 200 SP Series – Single-Phase Voltage Monitor

Littelfuse 202 200 SP Voltage Relays/Monitors Provide Superior Protection

Input
Voltage (V):
190 - 240 Vac

Output
Form:
SPDT

Termination Type:
0.25 in male quick connect

Series Details

202 Series – Three-Phase Voltage Monitor Relay

Littelfuse 202 Voltage Relays/Monitors Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 480 Vac, 475 - 600 Vac

Output
Form:
SPDT

Termination Type:
0.25 in male quick connect

Series Details

250A Series – Three-Phase Voltage/Phase Monitor

Littelfuse 250A Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 480 Vac, 500 - 600 Vac, 95 - 120 Vac

Output
Form:
DPDT - 2 Form C

Termination Type:
Torque: 7 in-lbs; Wire Size: 12 - 18 AWG, Torque: 7 in-lbs; Wire Size: 12 - 18AWG solid or stranded

Series Details

350 Series – Three-Phase Voltage Monitor Relay

Littelfuse 350 Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 240 Vac, 380 - 480 Vac, 475 - 600 Vac, 475 to 600VAC

Output
Form:
DPDT, SPDT

Termination Type:
Torque: 7 in-lbs; Wire Size: 12 - 18 AWG, Torque: 7in-lbs; Wire Size: 12-18AWG

Series Details

355 Series – Three-Phase Voltage Monitor Relay

Littelfuse 355 Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 240 Vac, 380 - 480 Vac, 475 - 600 Vac

Output
Form:
DPDT, SPDT

Termination Type:
Torque: 7 in-lbs; Wire Size: 12 - 18 AWG

Series Details

455 Series – Three-Phase Voltage Monitor Relay

Littelfuse 455 Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 480 Vac, 380 - 480 Vac, 475 - 600 Vac

Output
Form:
SPDT

Termination Type:
Torque: 7 in-lbs; Wire Size: 12 - 18 AWG

Series Details

460-SP Series – Single-Phase Voltage Monitor

Littelfuse 460-SP Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 240 Vac, 95 - 120 Vac

Output
Form:
1 Form C

Termination Type:
Torque: 6 in-lbs; Wire: Stranded or solid 12 - 20 AWG one per terminal

Series Details

460 Series – Three-Phase Voltage Monitor

Littelfuse 460 Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 480 Vac, 475 - 600 Vac

Output
Form:
1 Form A and 1 Form B, 2 Form A, Form C

Termination Type:
Torque: 6 in-lbs; Wire: Stranded or solid 12 - 20 AWG one per terminal

Series Details

50R Series – Single-Phase Voltage Monitor

Littelfuse 50R Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 240 Vac, 380 - 480 Vac, 95 - 120 Vac

Output
Form:
SPDT - 1 Form C

Termination Type:
Torque: 7 in-lbs; Wire Size: 12 - 18 AWG

Series Details

601 Series – Three-Phase Voltage & Frequency Monitor

Littelfuse 601 Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
200 - 480 Vac, 500 - 600 Vac

Termination Type:
Torque: 7 in-lbs

Mounting Method:
Surface mount (4 - #8 screws) or DIN rail mount

Series Details

601-CS-D-P1 Series – Three-Phase Power Monitor

Littelfuse 601-CS-D-P1 Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
200 - 480 Vac

Output
Form:
SPDT

Termination Type:
Torque: 7 in-lbs

Series Details

DLM Series – Voltage Monitor

Littelfuse DLM Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
200 - 480 Vac, 500 - 600 Vac

Termination Type:
Screw terminal with captive wire clamps for up to #14 AWG (2.5 mm²) wire

Mounting Method:
Surface mount with two #8 (M4 x 0.7) screws or snap on 35mm DIN rail

Series Details

HLM Series – Voltage Monitor

Littelfuse HLM Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
200 - 240 Vac; 340 - 420 Vac; 400 - 480 Vac

Output
Form:
DPDT

Termination Type:
Screw terminal connection for up to #12 AWG (3.3 mm²) wire

Series Details

HLVA Series – Voltage Monitor

Littelfuse HLVA Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
Min RMS Voltage: 70 Vac; Max RMS Voltage: 264 Vac

Output
Form:
Isolated SPDT

Termination Type:
0.25 in. (6.3 mm) male quick connect terminals

Series Details

KVM Series – Voltage Monitor

Littelfuse KVM Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
110 - 120 Vac; 220 - 240 Vac

Output
Form:
SPDT

Termination Type:
0.25 in. (6.3 mm) male quick connect terminals

Series Details

PLM Series – Voltage Monitor

Littelfuse PLM Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
200 - 240 Vac, 360 - 430 Vac, 400 - 480 Vac

Output
Form:
Isolated SPDT

Termination Type:
Octal 8-pin plug-in rated 600 Vac

Series Details

PLMU Series – Voltage Monitor

Littelfuse PLMU Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
200 - 480 Vac

Output
Form:
Isolated SPDT

Termination Type:
Octal 8-pin plug-in

Series Details

PLR Series – Voltage Monitor

Littelfuse PLR Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
190 - 270 Vac, 340 - 450 Vac, 380 - 500 Vac, 95 - 140 Vac

Output
Form:
SPDT

Termination Type:
Octal 8-pin plug-in

Series Details

PLS Series – Voltage Monitor

Littelfuse PLS Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
175 - 255 Vac, 380 - 500 Vac, 95 - 135 Vac

Output
Form:
Isolated SPDT

Termination Type:
Octal 8-pin plug-in

Series Details

TVM Series – Voltage Monitor

Littelfuse TVM Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
208 Vac, 460 Vac, 480 Vac, 230VAC

Termination Type:
0.25 in. (6.3 mm) male quick connect terminals, 0.25 in. (6.35mm) male quick connect terminals

Mounting Method:
Suface mount with one #8 (M5 x 0.8) screw, Surface mount with one #8 (M5 x 0.8) screw

Series Details

TVW Series – Voltage Monitor

Littelfuse TVW Voltage Monitoring Relays Provide Superior Protection

Datasheet

Input
Voltage (V):
208 - 240 Vac, 208; 220; 230; 240 Vac, 380 400 and 415VAC, 430; 440; 460; 480 Vac

Termination Type:
0.25 in. (6.3 mm) male quick connect terminals, 0.25 in. (6.35mm) male quick connect terminals

Mounting Method:
Suface mount with one #8 (M5 x 0.8) screw, Surface mount with one #8 (M5 x 0.8) screw

Series Details

WVM

Voltage Monitor

Datasheet

Input
Voltage (V):
200 to 240VAC, 355 to 425VAC, 400 to 480VAC, 500 to 600VAC

Output
Form:
Isolated SPDT

Termination Type:
Screw terminals with captive wire clamps for up to #12 AWG (3.2mm2) wire

Series Details