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Home / Industrial & Scientific / Relays / Voltage Monitoring Relays

NOYITO 2-Channel Programmable Time Relay Module Dual Relays Triggered in Turn or Individually 2-Channel 0-99.9V Voltage Detection Control Board Cyclic Timing On Off (12V)

NOYITO 2-Channel Programmable Time Relay Module Du

~~₹7730~~ -34% ₹5100/-

Eagles 5pcs 1 Channel 3V Relay Module with Optocoupler for ESP8266 Module,3v Logic Level Boards,Raspberry Pi 3.3v Application

Eagles 5pcs 1 Channel 3V Relay Module with Optocou

~~₹10320~~ -37% ₹6500/-

OONO DPST 1NO 1NC 8Amp Power Relay Module, AC 220V 230V 240V Control Voltage

OONO DPST 1NO 1NC 8Amp Power Relay Module, AC 220V

~~₹8040~~ -34% ₹5300/-

12V 8-Channel Relay Module with Optocoupler Isolation - High/Low Level Trigger 10A 250VAC for Arduino/PLC Industrial Control

12V 8-Channel Relay Module with Optocoupler Isolat

~~₹5410~~ -39% ₹3300/-

IP68 Waterproof DPST 1NO 1NC 8Amp Power Relay Module (AC/DC 12V)

IP68 Waterproof DPST 1NO 1NC 8Amp Power Relay Modu

~~₹14400~~ -34% ₹9500/-

YFUSET 3pcs Time Delay Relay DC 6-30V Module with LCD Display Adjustable Timer 0.01 s-9999 min with Micro USB 5V Power Supply

YFUSET 3pcs Time Delay Relay DC 6-30V Module with

~~₹7340~~ -40% ₹4400/-

SPDT 10Amp Power Relay Module, Plastic Enclosure and Pre-Wired (AC 208-277V)

SPDT 10Amp Power Relay Module, Plastic Enclosure a

~~₹7210~~ -32% ₹4900/-

GAEYAELE Voltage Protection Relay DC12V Over-Voltage and Under-Voltage Monitoring Relay (GRV8-02,D12)

GAEYAELE Voltage Protection Relay DC12V Over-Volta

~~₹5790~~ -36% ₹3700/-

DAOKAI 5 PCS 1 Channel Relay Module 5V Low Level Trigger Relay Shield Module Control Board with Optocoupler Isolation LED Warning Lamp Dupont Cable for Arduino

DAOKAI 5 PCS 1 Channel Relay Module 5V Low Level T

~~₹4360~~ -38% ₹2700/-

CZH-LABS Voltage Comparator Relay Board, DC12V, SPDT 10Amp Relay.

CZH-LABS Voltage Comparator Relay Board, DC12V, SP

~~₹6670~~ -34% ₹4400/-

AEDIKO 4pcs DC 12V Relay Module 2 Channel Relay Board with Optocoupler Support High or Low Level Trigger

AEDIKO 4pcs DC 12V Relay Module 2 Channel Relay Bo

~~₹4520~~ -38% ₹2800/-

MECCANIXITY Miniature Current Switch 0-200A Normally Open AC Current Sensing Switch Sensor Monitoring Relay, M3080

MECCANIXITY Miniature Current Switch 0-200A Normal

~~₹9370~~ -37% ₹5900/-

NOYITO 30A 1 Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 30A for PLC Automation Equipment Control Industrial Control (1 Channel 12V)

NOYITO 30A 1 Channel Relay Module High Low Level T

~~₹4250~~ -34% ₹2800/-

irhapsody 24V 30/40 Amp Waterproof Relay - 5 Pin Automotive SPDT With Heavy Duty Pigtail Wiring Harness

irhapsody 24V 30/40 Amp Waterproof Relay - 5 Pin A

~~₹10810~~ -38% ₹6700/-

TG30S 220-440V AC 3-Phase Sequence Relay Protector Voltage Phase Protective Relay

TG30S 220-440V AC 3-Phase Sequence Relay Protector

~~₹7050~~ -39% ₹4300/-

5V/12V/24V Relay Module,1 Channel Optocoupler Relay Module Board High & Low (5V)

5V/12V/24V Relay Module,1 Channel Optocoupler Rela

~~₹3090~~ -32% ₹2100/-

4PCS Relay Module, 4-Ch 12V Red Development Board with Optocoupler Relay Module for UNO Support High and Low Level Trigger

4PCS Relay Module, 4-Ch 12V Red Development Board

~~₹7310~~ -37% ₹4600/-

Yosoo Health Gear Relay Module Board, Low Pulse Trigger Board Mini 6-24V Flip-Flop Relay Module Bistable Self Locking Switch Latching Relay Switch Module

Yosoo Health Gear Relay Module Board, Low Pulse Tr

~~₹3490~~ -34% ₹2300/-

JESSINIE 2 Pack 5V 2-Channel Relay Module with Optocoupler, Red Expansion Board Supports High/Low Level Trigger 2-Way OPTO

JESSINIE 2 Pack 5V 2-Channel Relay Module with Opt

~~₹2760~~ -31% ₹1900/-

Voltage Monitoring Relay DC 12V/24V/48V Over Voltage and Under Voltage Relay 35MM Rail Voltage Protector Device(DC 48V)

Voltage Monitoring Relay DC 12V/24V/48V Over Volta

~~₹10720~~ -30% ₹7500/-

Voltage Relay Module DC 0?99.9V 12A ON Off Upper Lower Limit Detection Battery Discharge Timing Module Discharge Control Over Voltage Protect (12V)

Voltage Relay Module DC 0?99.9V 12A ON Off Upper L

~~₹4860~~ -32% ₹3300/-

Voltage Monitoring Relay DC 12V/24V/48V Over Voltage and Under Voltage Relay 35MM Rail Voltage Protector Device(DC 24V)

Voltage Monitoring Relay DC 12V/24V/48V Over Volta

~~₹11100~~ -36% ₹7100/-

UBEC Voltage Regulator Module Voltage Regulator Board for RC Helicopter, 5V 6V 7.4V 8A Output 7V - 25.5V 2-6S Lipo 6-16 Cell NI Mh Input

UBEC Voltage Regulator Module Voltage Regulator Bo

~~₹8170~~ -40% ₹4900/-

AC230V 63A Voltage Current Protector Over/Under Voltage Device Double LED Display Single Phase Low Voltage DIN Rail Installation

AC230V 63A Voltage Current Protector Over/Under Vo

~~₹6920~~ -32% ₹4700/-

Voltage Reference Module,DC 5V-12V Voltage Reference Source Board MRB059A LM4040 Voltage Reference Breakout

Voltage Reference Module,DC 5V-12V Voltage Referen

~~₹5740~~ -39% ₹3500/-

Sunydog DC 6~80V Voltage Detection Charging Discharge Monitor Relay Switch Controller with Case

Sunydog DC 6~80V Voltage Detection Charging Discha

~~₹5240~~ -35% ₹3400/-

MOKMMKIT 42 Values 1680 Pieces Ceramic Capacitor Kit 1pF - 100nF 50V Multilayer Monolithic Chip Capacitors Assortment Kit

MOKMMKIT 42 Values 1680 Pieces Ceramic Capacitor K

~~₹6380~~ -31% ₹4400/-

6PCS DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

6PCS DC 12V 2 Channel Relay Module with Isolated O

~~₹4930~~ -33% ₹3300/-

3 Phase Voltage Monitoring Sequence Relay, JVR800-2 Under Over Voltage Protector, Voltage Over Under Voltage Phase Failure Relay, LCD Rail Voltage Phase Loss Protector Monito

3 Phase Voltage Monitoring Sequence Relay, JVR800-

~~₹17340~~ -40% ₹10400/-

RM22TR33 | SCHNEIDER Three-Phase Voltage Control Relay, 2 C/O

RM22TR33 | SCHNEIDER Three-Phase Voltage Control R

~~₹65410~~ -39% ₹39900/-

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