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Monitoring Relay
-45% Off
Single Phase Voltage Control Relay - Under/Overvoltage Detection (17.5mm MUS) | 15-600V AC/DC Measurement | 24-48V AC/DC Supply | 1 x C/O Relays | 250V AC/DC @ 5A | Ideal for Industrial Automation, Power Monitoring & Equipment Protection
$133.06
$241.94
-45% Off
3 Phase C Lynx Voltage Monitoring Relay with SPDT Contacts, 208-480V AC - Industrial Power Protection for Motors, Pumps & HVAC Systems
$209.17
$380.31
-45% Off
3 Phase Voltage Monitoring Relay - 17.5mm SPDT Contacts, 208-480V AC, Phase Sequence & Total Failure Protection (Replaces 84892290, 84873034) - Ideal for Industrial Equipment, HVAC Systems & Power Distribution Panels
$108.35
$197
-45% Off
45A131AR Temperature Control Relay with NTC Sensor Probe - 230VAC Relay Output for Traction Lift Monitoring - Ideal for HVAC Systems, Industrial Equipment & Elevator Safety Controls
$81.95
$149
-45% Off
45D331AR Temperature Control Relay with NTC Probe, 24VDC Relay Output for Traction Lift Monitoring - Ideal for Elevator Safety Systems and Industrial Temperature Regulation
$81.95
$149
-45% Off
PT100 Temperature Control Relay DIN Rail Mount 24-240V AC/DC with Adjustable Setpoint (50°F to 300°F) - Ideal for Industrial Automation, HVAC Systems & Process Control Applications
$68.2
$124
-45% Off
Liquid Level Control Relay 240VAC/24VAC-DC 8A SPDT with Fixed Timing & 2-Level Control - Ideal for Water Tanks, Pumps, and Industrial Liquid Management Systems
$87.45
$159
-45% Off
Liquid Level Control Relay 240VAC/24VAC-DC 8A SPDT with Time Delay - 2 Level Sensor Switch for Water Tanks, Pumps, and Industrial Automation Systems
$103.95
$189
-45% Off
Liquid Level Control Relay 240VAC/24VAC-DC DPDT 5A 2-Level with Time Delay Adjustments - HNM 24 240V AC/DC - Ideal for Water Tanks, Pumps, and Industrial Liquid Control Systems
$103.95
$189
-45% Off
EIH Series Current Monitoring Relay with Hysteresis & T2 Time - Single Phase 0.1-10Amp, 100-240VAC/24VDC Supply (Replaced by 84871130) - Ideal for Industrial Automation, Motor Protection, and Power Distribution Systems
$188.47
$342.69
-45% Off
Single Phase Voltage Control Relay - Under/Over Voltage Protection 17.5mm MUS, 65-260V AC/DC, DSR2 Series Replacement - Ideal for Industrial Automation, HVAC Systems & Power Monitoring
$133.06
$241.94
-45% Off
Single Phase Multi Function Voltage Control Relay - Under/Over Voltage Protection 15-600V AC/DC, 24-240V Supply - DIN Rail Mount for Industrial Automation & Power Systems
$152.9
$278
-45% Off
3 Phase Voltage Monitoring Relay - 17.5mm DPDT Contacts, 230-460V AC (EWS2) for Sequence & Failure Protection | Industrial Power Supply & Motor Control Applications
$122.44
$222.63
-45% Off
H3US 3 Phase Voltage Monitoring Relay with DPDT Contacts - 220-480V AC for Sequence, Failure, Imbalance & Under/Over Voltage Protection | Ideal for Industrial Equipment, HVAC Systems & Power Distribution Panels
$174.33
$316.97
-45% Off
3 Phase Voltage Monitoring Relay - 17.5mm SPDT Contacts, 208-480V AC M3US, Under/Over Voltage Protection - Ideal for Industrial Equipment, HVAC Systems & Power Distribution Panels
$197.45
$359
-45% Off
Crouzet Lynx Speed Monitoring & Control Relay with SPDT Contacts, 24-240V AC/DC - Industrial Motor Speed Regulation for Pumps, Conveyors & Automation Systems
$197.45
$359
-45% Off
Single Phase Voltage Control Relay - Under/Overvoltage Detection (17.5mm MUS, 15-600VAC/DC, 12VDC Supply, 1x C/O Relay, 250VAC/DC @5A) - Ideal for Industrial Automation, Power Monitoring & Electrical Protection Systems
$133.06
$241.94
-45% Off
3 Phase Voltage Monitoring Relay - 17.5mm SPDT Contacts, 208-480V AC, Sequence/Failure/Imbalance Protection - Ideal for Industrial Equipment, HVAC Systems & Power Distribution Panels
$146.34
$266.09
-45% Off
Three Phase Voltage Control Relay - 208-480VAC, 17.5mm EMWS, Self-Powered with Phase Sequence & Failure Protection | Ideal for Industrial Equipment, HVAC Systems & Power Distribution
$86.03
$156.43
-45% Off
41A111AR Temperature Control Relay DIN Rail Mount 110-240VAC with Relay Output & Dual Setpoint (10°C to 55°C) - Ideal for HVAC Systems, Industrial Automation, and Electrical Panel Temperature Regulation
$32.45
$59
-45% Off
EIH Series AC/DC Current Monitoring Relay - Selectable Over/Under Current with Latching (0.1-10A, 24-240VAC/DC) for Single Phase Power Protection | Ideal for Industrial Equipment, HVAC Systems & Motor Control Applications
$150.83
$274.25
