Protective Relay

3,022 results for Protective Relay

3 · Ac · Miniature

Secured Trading Service

Aoasis Afkv-24f Protective Relays 380V Phase Failure Relay

US$ 4.8-5.1 / Piece
1 Piece  (MOQ)
Product Description Phase protection relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field. Technical Pa

Electric Parameter Relay · Ac · Voltage Relay

LCD Display Motor Voltage Protection Relay With Multi Protective Function

US$ 15.69-18.87 / Piece
5 Pieces  (MOQ)
LCD Display Motor Voltage Protection Relay With Multi Protective Function Our Electronic motor Voltage protective Relay Product Feature 1, Built-in high-performance micro controller with high reliability and Strong resistance to interference. 2, Voltage value and fault message displayed through

Household Appliances Relay · Sealed Relay · 3

Delay on of Motors Star Delta AC/DC 12-240V 16A Protective Relay

US$ 6.86 / Piece
100 Pieces  (MOQ)
Electronic Time Protection 240V 16A Timer Star-delta Time Relay Designated for delay ON of motors star/delta start. Current rating 16A Time range star time T1:0.1s-10min, transition time T2:0.1s-1s Function Star/Delta time relay Features: Time T1(star) Time scale 0.1 s-10 min devided into

3 · Ac · Miniature

Secured Trading Service

Aoasis Adgk-01 220V AC Digital Protective Relay Motor Phase Voltage Control Relay

US$ 6.7-14 / Piece
1 Piece  (MOQ)
Product Description Digital display voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.

Electromagnetic Relay · Dc · Miniature

Secured Trading Service

Premium 1 Phase 80A Relay Nrl709bc-48VDC with Protective Dust Shield

US$ 1.65-1.8 / Piece
20 Pieces  (MOQ)
Magnetic Latching Relay Our Latching relay is praised by excellent reliability, compact size, high switching capacity, small coil consumption and low temperature rise. Characteristic 1.With its compact design, this relay boasts an impressive 60A/80A switching capability, delivering powerful performa

3 · Ac · Miniature

Secured Trading Service

Aoasis Afk-05 380V Phase Failure and Phase Sequence Protective Relay

US$ 4.8-5.1 / Piece
1 Piece  (MOQ)
Product Description Phase protection relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field. Technical Pa

3 · Ac · Miniature

Secured Trading Service

Aoasis Agk-04 380V Delay Timer Rail Mounting Motor Protective Electronic Voltage Relay

US$ 6.1-6.5 / Piece
1 Piece  (MOQ)
Product Description Voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field. Production S

3 · Communication Relay · Miniature

Secured Trading Service

Electronic Overload Protective Relay for Motor or Generator

US$ 29.57 / Piece
1 Piece  (MOQ)
Electronic Overload Protective Relay for Motor or Generator Advanges: 1, Micro-miniature 2, Over current, open phase and stall protection 3, Separate setting for starting delay time and overloading delay time 4, Display function and confirmation for actual current value, and function of det

Electromagnetic Relay · 3 · Electronic Type

3 Phase Voltage Monitoring Relay LCD Display Voltage Protection Relay with Multi Protective Function

US$ 8.73-10.62 / Piece
100 Pieces  (MOQ)
3 Phase Voltage Monitoring Relay LCD Display Voltage Protection Relay With Multi Protective Function Technical parameters: Rated supply voltage M415(3-phase 3-wire)AC200V~500V M240(3-phase 4-wire)AC125V~300V Rated supply frequency 50Hz/60Hz Voltage measurement error ≤1% (Entire setting

3 · Ac · Miniature

Secured Trading Service

Aoasis Agk-04f 380VAC 50/60Hz IP20 Voltage Control Relay Protective Relays

US$ 6.1-6.5 / Piece
1 Piece  (MOQ)
Product Description Voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field. Production S
  • QHow can I get the best Protective Relay price from a reliable electrical OEM factory?

    Securing the best Protective Relay price starts with comparing wholesale Protective Relay suppliers and understanding factory direct guide pricing. Most OEM and distributor partners offer custom Protective Relay quotes based on volume. Message now for wholesale or OEM Protective Relay trends and get a tailored price from trusted sources.

  • QWhat Protective Relay types are trending for 2026 in industrial automation?

    Key Protective Relay trends include smart Protective Relays with improved switching, plus energy-efficient and compact OEM Protective Relay solutions. Electrical distributors now prefer top factory options with cost saving potential. If you want wholesale insights or factory guide pricing, contact us to learn more.

  • QCan I order custom Protective Relays in bulk at a cheap factory price?

    Yes, many Protective Relay factories support custom Protective Relay orders for bulk or OEM needs and offer competitive wholesale Protective Relay rates. Choose a top distributor for guide price savings. Get a quick price quote for your electrical project—just send your RFQ to discuss options and cheap pricing.

Communication Relay · Weak Power Relay · 1

Secured Trading Service

SSR-40AA 2 Year Warranty Protective SSR Solid State Relay

US$ 6 / Piece
1 Piece  (MOQ)
Solid state relays (SSRs) feature a compact size, low input power consumption, contactless operation, no sparks, no noise, no mechanical wear, excellent vibration resistance, and an exceptionally long service life. Solid state relays (SSRs) should be installed in a well-ventilated location away from

3 · Ac · Miniature

Secured Trading Service

Aoasis Agk-02n 380VAC Electronic Voltage Protective Relay Motor Phase Voltage Control Relay

US$ 4.8-7.5 / Piece
1 Piece  (MOQ)
Product Description Voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field. Production S

Medium Power Relay · Miniature · 3

Motor Phase Failure&Phase Sequence&Over-Voltage&Under-Voltage Protective Relay

500 Pieces  (MOQ)
Specification: 1.Operation Voltage: 380VAC 50/60Hz 2.Under Voltage Protection Range:300~380VAC; 1~5s adjustable 3.Over Voltage Protection Range:380~460VAC; 0.5~5s adjustable 4. Phase Failure&Phase Sequence Protection: action time:≥0.1s 5.Insulating Resistance:≥100MΩ,AC220V 3A(Resis

Miniature · Ac · 3

Electronic Generator Over and Under Current Protective Relay

US$ 14.92-19.52 / Piece
50 Pieces  (MOQ)
HTHY-SSD Digital Type Standard Over-current Relay with Ammeter Specification Setting Over-current 05 1~5A 30 3~30A 60 10~60A Delay Time D-Time 1~30sec Operating Time O-Time 0.5, 1~10sec Reset Manual(Instantaneous) Reset / Electrical Reset Operation Characteristic Over-cu

Electromagnetic Relay · 2 · Electromagnetic Type

80A Latching Relay Power Relay Use in Protective Relay

US$ 2-4 / Piece
200 Pieces  (MOQ)
China Manufacturers Miniature Relay for Smart meters Product Description Contact Parameters Dimensions(mm) 38.5×33×17.2 Contact Form 1A/1B Contact Material Silver Alloy Max Switching Current(Anti-load) 80A Max Switching Voltage 28VDC/250VAC Max Switching Power 2

Household Appliances Relay · Sealed Relay · 3

Multifunction Adjustable Timer Repeat Relay AC220V 16A AC/DC12V-240V Electric Protective

US$ 6.86 / Piece
100 Pieces  (MOQ)
Multifunctional Time Relay for Industrial Equipment Lighting Equipment Multifunctional time relays can be used for industrial equipment,lighting equipment, heating element control, motor and fan control,with 10 delay modes and a delay range of 0.1 seconds to 10 days.TS09-S: Set the T time, the r

3 · Ac · Miniature

Secured Trading Service

Agk-02n Low Protective Voltage Control Relay with Neutral

US$ 4.8-7.5 / Piece
1 Piece  (MOQ)
Product Description Voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field. Production S

Miniature · 3 · Time Relay

Secured Trading Service

Aoasis Afkd-01/01f Protection Relay Fixed Phase Asymmetry Over Under Digital Protective Relay

US$ 11.5-13 / Piece
1 Piece  (MOQ)
Product Description Digital Phase Protection Relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field. Tech

Communication Relay · Medium Power Relay · 2

Secured Trading Service

8 Pin Ryer2n-A24L Relay with LED 10A/250VAC Protective Power Relays Multi-Purpose Auto General Use Sealed for PCB

US$ 5 / Piece
1 Piece  (MOQ)
Company professionally produces more than 50series and more than 1000 specifications for Qianji product such as miniature relay, high power relay, indraught relay, auto relay, timer, solid state relay, counter, temperature controller, relay socket, switch and so on.Company insist on attracting many

Household Appliances Relay · Ac · 1

Tomzn DIN Rail 230V Adjustable Under Voltage Protective Protector Relay

US$ 4.32 / Piece
5 Pieces  (MOQ)
TOVPD1-60-EC: Advanced Voltage & Current Protection Device with Intelligent Monitoring Designed to safeguard electrical systems from voltage fluctuations and current overloads, the TOVPD1-60-EC combines comprehensive protection features with user-friendly controls, making it an essential component f

3 · Ac · Miniature

Secured Trading Service

Aoasis Adgk-01 220VAC Single Phase Over and Under Monitoring Voltage Protective Control Relay

US$ 6.7-14 / Piece
1 Piece  (MOQ)
Product Description Digital display voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.

3 · Ac · Miniature

Secured Trading Service

Aoasis Adgk-04 5A 380VAC 50/60Hz IP20 Digital Display Control Relay Protective Relays

US$ 13-13.9 / Piece
1 Piece  (MOQ)
Product Description Digital display voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.

3 · Ac · Miniature

Secured Trading Service

Aoasis Adgk-01 Electronic Voltage Protection Relay Fixed Phase Asymmetry Over Under Digital Protective Relay

US$ 6.7-14 / Piece
1 Piece  (MOQ)
Product Description Digital display voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.

3 · Ac · Miniature

Secured Trading Service

Aoasis Agkm-02 380VAC Miniature Voltage Protective Relay Motor Phase Voltage Control Relay

US$ 7.1-7.6 / Piece
1 Piece  (MOQ)
Product Description Voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field. Production S

Sealed Relay · 2 · Electric Parameter Relay

Refrigerator Freezer Air Conditioning 110V Start Relay Voltage Relay Protective Sealed Overload Protector

US$ 0.1-0.8 / Piece
100 Pieces  (MOQ)
NINGBO COOLWELL COMPANY. Had developed into a leading professional manufacturer and supplier in the field of A/C and Refrigerator spare parts and tools. Now we are dealing more than 1300kinds of products, our products range includes compressors, capacitors, contactors, relay, fan motors, condens

Communication Relay · Micro Power Relay · 3

Gth-22 3 Phase Bimetallic Miniature Protective Thermal Overload Relay for Motor Protection

US$ 5-30 / Piece
5 Pieces  (MOQ)
GTH-22 3 Phase Bimetallic Miniature Protective Thermal Overload Relay for Motor Protection GTH series thermal overload relays are used in AC 50 or 60HZ, current to 80A and below circuit, for AC motor thermal protection. It also has a differential mechanism and temperature compensation environment

Electric Parameter Relay · Ac · Household Appliances Relay

Earth Leakage Protective Relay (KLR121) Mikro

50 Pieces  (MOQ)
Product Description Earth Leakage Relay/Protective Relay 1. FEATURES A. Both latching and non-latching type of tripping contacts B. Trip starting indicator C. Relay tripped indicator D. Detection of no connection to current transformer for extra safety E. High immunity to electrical inte

Thermal Relay · 8 · Miniature

Secured Trading Service

Intelligent 2-Channel Low Voltage Digital Overload Ground Fault Protection Motor Protective Relay with RS485

US$ 60-150 / Piece
1 Piece  (MOQ)
PR200 motor protection relay is an all-in-one solution designed to continuously monitor 3-phase power lines for abnormal conditions. It can be used with motors less than 690V/820A. Packed inside a small and economical package you'll find a solution designed to save you time and money. Feature High

Electromagnetic Relay · Lathe Relay · Miniature

Secured Trading Service

Customizable Electrical Safety Protection Intermediate Protective Relays with Base Socket

US$ 0.52-0.56 / Piece
100 Pieces  (MOQ)
Product Description ARJ Intermediate Relay ARM Intermediate Relay ARL Intermediate Relay Transparent shell, visible contact status Contact capacity of 1C/O12A and 2C/O8A Standard action indicator window DC coil with optional freewheeling diode AC coil with optional RC filtering circuit Communication

3 · Ac · Miniature

Secured Trading Service

Aoasis Adgk-04 Dgk-04 Good Quality Digital Phase Sequence Voltage Protective Relay Manufacturer

US$ 13-13.9 / Piece
1 Piece  (MOQ)
Product Description Digital display voltage control relays are designed to protect single-phase or thress-phase systems from voltage changes and phase sequence failures.In order to prevent overteating and damage of three-phase moto caused by phase-loss and voltage imbalance in industrial field.
Haven't found what you want?

Easy Sourcing

Post sourcing requests and get quotations quickly.

Product Alert

Subscribe to product alert and stay updated to what's new and popular on the market.