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      AlibabaElectrical Equipment & SuppliesIndustrial ControlsRelaysWholesale lab relay

      Lab Relay

      (323 products available)

      5V low level trigger One 1 Channel Relay Module interface Board Shield

      5V low level trigger One 1 Channel Relay Module interface Board Shield

      $0.20 - $0.50
      Min Order: 10 pieces
      CN
      10 yrsverify
      5.0
      /5
      ·
      21 reviews
      ·
      "fast shipping"
      Contact Supplier
      WiFi 180W 36V 5A Buck Boost Converter Digital Variable DC Power Supply Adjustable Module Laboratory Voltage Regulator LCD APP

      WiFi 180W 36V 5A Buck Boost Converter Digital Variable DC Power Supply Adjustable Module Laboratory Voltage Regulator LCD APP

      $10.00 - $80.00
      Min Order: 10 pieces
      CN
      8 yrs
      5.0
      /5
      ·
      6 reviews
      ·
      "fast delivery"
      Contact Supplier
      GFUVE TEST-902 2000A PRIMARY CURRENT INJECTION TESTER FOR PROTECTION RELAY

      GFUVE TEST-902 2000A PRIMARY CURRENT INJECTION TESTER FOR PROTECTION RELAY

      $2,000.00 - $2,300.00
      Min Order: 1 unit
      Warranty: 3 Years
      CN
      12 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Huazheng Electric laboratories test equipment secondary current injector relay test set

      Huazheng Electric laboratories test equipment secondary current injector relay test set

      $8,709.00
      Min Order: 1 set
      Power: Electronic
      CN
      9 yrsverify
      4.8
      /5
      ·
      12 reviews
      ·
      "fast delivery"
      Contact Supplier
      Server Software Lora Lorawan Small Size With Heating Function Modbus RS485 Relay Rain And Snow Sensor

      Server Software Lora Lorawan Small Size With Heating Function Modbus RS485 Relay Rain And Snow Sensor

      Ready to Ship
      $20.00 - $23.00
      Min Order: 1 piece
      Shipping per piece: $16.72
      CN
      5 yrsverify
      4.8
      /5
      ·
      57 reviews
      ·
      "Good service"
      Contact Supplier
      Huazheng lab equipment multifunction 3 phase overcurrent test protection relay test set universal relay tester

      Huazheng lab equipment multifunction 3 phase overcurrent test protection relay test set universal relay tester

      $4,258.00
      Min Order: 1 set
      Power: Electronic
      CN
      7 yrs
      4.9
      /5
      ·
      12 reviews
      ·
      "fast delivery"
      Contact Supplier
      (active components) LAB

      (active components) LAB

      $0.557 - $1.05
      Min Order: 1 piece
      CN
      10 yrs
      4.3
      /5
      ·
      1 reviews
      ·
      "Fast shipment"
      Contact Supplier
      Automotive 12v Protective Relay Test Set Secondary Injection Tester Laboratory Equipment

      Automotive 12v Protective Relay Test Set Secondary Injection Tester Laboratory Equipment

      $3,000.00
      Min Order: 1 piece
      Power: Electronic
      CN
      15 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      "fast shipping"
      Contact Supplier
      China Supplier Electrical Testing Machine Three Phase Secondary Injection Relay Protective Tester

      China Supplier Electrical Testing Machine Three Phase Secondary Injection Relay Protective Tester

      $4,258.00
      Min Order: 1 piece
      Power: Electronic
      CN
      10 yrsverify
      5.0
      /5
      ·
      17 reviews
      ·
      "Professional customer service"
      Contact Supplier
      Three phase protection relay tester digital secondary current injection test relay protection equipment teste

      Three phase protection relay tester digital secondary current injection test relay protection equipment teste

      $2,000.00
      Min Order: 1 set
      CN
      8 yrs
      4.5
      /5
      ·
      20 reviews
      ·
      "good service"
      Contact Supplier
      Lab Intelligent digital display resistance vacuum gauge

      Lab Intelligent digital display resistance vacuum gauge

      $1,400.00 - $1,550.00
      Min Order: 1 set
      CN
      2 yrs
      5.0
      /5
      ·
      1 reviews
      ·
      Contact Supplier
      Digital Thermostat Celsius Fahrenheit Switch Temperature Controller for incubator Relay LED 10A Heater Cooler Direct Output

      Digital Thermostat Celsius Fahrenheit Switch Temperature Controller for incubator Relay LED 10A Heater Cooler Direct Output

      $4.50
      Min Order: 1 piece
      Warranty: 3 Years
      Power: Electronic
      CN
      3 yrs
      4.8
      /5
      ·
      49 reviews
      ·
      "good supplier"
      Contact Supplier
      JS5014 Laboratory use current injection relay test set Large current generator 0-1000A

      JS5014 Laboratory use current injection relay test set Large current generator 0-1000A

      $1,950.00 - $3,692.00
      Min Order: 1 piece
      Power: Electronic
      CN
      4 yrsverify
      4.7
      /5
      ·
      91 reviews
      ·
      "fast shipping"
      Contact Supplier
      SUNHO High Precision high low limit relay Conductivity Test Controller Chemistry Laboratory Equipment Water Quality Test Meter

      SUNHO High Precision high low limit relay Conductivity Test Controller Chemistry Laboratory Equipment Water Quality Test Meter

      $46.00 - $49.00
      Min Order: 1 unit
      Power: Electronic
      CN
      2 yrs
      5.0
      /5
      ·
      18 reviews
      ·
      "Nice service"
      Contact Supplier
      Wholesale electronic components Support BOM Quotation. SC70-5 LAB MCP121T-475E/TT

      Wholesale electronic components Support BOM Quotation. SC70-5 LAB MCP121T-475E/TT

      $0.01 - $0.20
      Min Order: 10 pieces
      CN
      2 yrs
      4.3
      /5
      ·
      1 reviews
      ·
      Contact Supplier
      Electric relay protection tester test set portable three phase relay protection tester

      Electric relay protection tester test set portable three phase relay protection tester

      $2,000.00 - $2,410.00
      Min Order: 1 set
      Power: Electronic
      CN
      1 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      NE555 Component Electronics Electric Piano Organ Module DIY Kit Learn electronic principles, children's lab

      NE555 Component Electronics Electric Piano Organ Module DIY Kit Learn electronic principles, children's lab

      $1.00 - $2.00
      Min Order: 10 pieces
      CN
      4 yrs
      4.8
      /5
      ·
      11 reviews
      ·
      "prompt service"
      Contact Supplier
      Power timer time switch CN101A 12V24V220V time relay timer switch

      Power timer time switch CN101A 12V24V220V time relay timer switch

      $1.03 - $2.06
      Min Order: 10 parcels
      CN
      8 yrs
      4.8
      /5
      ·
      77 reviews
      ·
      "Fast delivery"
      Contact Supplier
      Huazheng Lab equipment 6 phase secondary current injection relay test set power microcomputer relay tester

      Huazheng Lab equipment 6 phase secondary current injection relay test set power microcomputer relay tester

      $3,999.00 - $8,709.00
      Min Order: 1 piece
      Power: Electronic
      CN
      9 yrsverify
      4.8
      /5
      ·
      12 reviews
      ·
      "fast delivery"
      Contact Supplier
      Huazheng Electric HZJB-I Three Phase Universal Relay Test Set Microcomputer 3 Phase Relay Protection Tester

      Huazheng Electric HZJB-I Three Phase Universal Relay Test Set Microcomputer 3 Phase Relay Protection Tester

      $3,269.00 - $4,260.00
      Min Order: 1 set
      Power: Electronic
      CN
      10 yrsverify
      5.0
      /5
      ·
      17 reviews
      ·
      "Professional customer service"
      Contact Supplier
      High precision secondary injection test set/tester Six Phase Protective relay tester/relay protection tester

      High precision secondary injection test set/tester Six Phase Protective relay tester/relay protection tester

      $2,000.00
      Min Order: 1 set
      CN
      8 yrs
      4.5
      /5
      ·
      20 reviews
      ·
      "good service"
      Contact Supplier
      Lab Intelligent digital display Resistance vacuum gauge for vacuum furnace coating, low vacuum measurement and control

      Lab Intelligent digital display Resistance vacuum gauge for vacuum furnace coating, low vacuum measurement and control

      $300.00 - $550.00
      Min Order: 1 set
      CN
      2 yrs
      5.0
      /5
      ·
      1 reviews
      ·
      Contact Supplier
      Dual Digital Thermostat Temperature Controller Two Relay Output Thermoregulator for incubator Heating Cooling XK-W1088 12V 220V

      Dual Digital Thermostat Temperature Controller Two Relay Output Thermoregulator for incubator Heating Cooling XK-W1088 12V 220V

      $3.60
      Min Order: 1 piece
      Power: Electronic
      CN
      3 yrs
      4.8
      /5
      ·
      49 reviews
      ·
      "good supplier"
      Contact Supplier
      Three phase KWH energy meter relay electriciyu meter tester with high accuracy

      Three phase KWH energy meter relay electriciyu meter tester with high accuracy

      $32,555.00 - $33,565.00
      Min Order: 1 set
      Warranty: 3 Years
      Power: Electronic
      CN
      12 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Laboratory Water Quality Analysis Instrument meter Calcium And Magnesium Ion Water Hardness Tester

      Laboratory Water Quality Analysis Instrument meter Calcium And Magnesium Ion Water Hardness Tester

      $617.90 - $619.90
      Min Order: 1 set
      Power: Electronic
      CN
      2 yrs
      5.0
      /5
      ·
      18 reviews
      ·
      "Nice service"
      Contact Supplier
      Electric relay protection tester test set portable three phase relay protection tester

      Electric relay protection tester test set portable three phase relay protection tester

      $2,000.00 - $2,400.00
      Min Order: 1 set
      Power: Electronic
      CN
      1 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Adjustable POWER Variable DC 0-15V 5v 12v 0-5A voltage Regulated constant current Power Supply Lab LM317 DIY KITS

      Adjustable POWER Variable DC 0-15V 5v 12v 0-5A voltage Regulated constant current Power Supply Lab LM317 DIY KITS

      $1.00 - $1.40
      Min Order: 5 pieces
      CN
      4 yrs
      4.8
      /5
      ·
      11 reviews
      ·
      "prompt service"
      Contact Supplier
      Huazheng Electric Lab Equipment HZJB-I 3Phase Protection Relay Test Set Manufacturer Price

      Huazheng Electric Lab Equipment HZJB-I 3Phase Protection Relay Test Set Manufacturer Price

      $3,269.00 - $4,258.00
      Min Order: 1 set
      Power: Electronic
      CN
      10 yrsverify
      5.0
      /5
      ·
      17 reviews
      ·
      "Professional customer service"
      Contact Supplier
      GFUVE Current Injection Protection Test-902 Relay Tester Primary Current Injection Relay Tester

      GFUVE Current Injection Protection Test-902 Relay Tester Primary Current Injection Relay Tester

      $10,000.00 - $12,000.00
      Min Order: 1 set
      Power: Electronic
      CN
      12 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      High Accuracy Reverse Osmosis Panel Water Treatment RO Controller For Chemistry Laboratory Equipment

      High Accuracy Reverse Osmosis Panel Water Treatment RO Controller For Chemistry Laboratory Equipment

      $16.99 - $18.99
      Min Order: 1 unit
      Power: Electronic
      CN
      2 yrs
      5.0
      /5
      ·
      18 reviews
      ·
      "Nice service"
      Contact Supplier
      NE555 Doorbell Suite Electronic Production Doorbell Suite DIY Kit Ding dong doorbell PCB welding laboratory

      NE555 Doorbell Suite Electronic Production Doorbell Suite DIY Kit Ding dong doorbell PCB welding laboratory

      $0.60 - $0.70
      Min Order: 100 pieces
      CN
      4 yrs
      4.8
      /5
      ·
      11 reviews
      ·
      "prompt service"
      Contact Supplier
      Electromagnetic relay / physics / Laboratory instuments

      Electromagnetic relay / physics / Laboratory instuments

      $8.70 - $16.20
      Min Order: 500 pieces
      CN
      10 yrs
      5.0
      /5
      ·
      1 reviews
      ·
      "Arrived on time"
      Contact Supplier
      Supports PCBA One-stop Service Lbang IC Chip Bom EA1-B0-62-810-JAF-DD TEST LAB Circuit Protection Relays 240V EA1-B0-62 2023+

      Supports PCBA One-stop Service Lbang IC Chip Bom EA1-B0-62-810-JAF-DD TEST LAB Circuit Protection Relays 240V EA1-B0-62 2023+

      $0.97 - $1.25
      Min Order: 500 pieces
      CN
      2 yrsverify
      5.0
      /5
      ·
      3 reviews
      ·
      Contact Supplier
      Lab Chlorophyll Meter analyzer Three relay chlorophyll cyanobacteria COD SS tester Chlorophyll monitor

      Lab Chlorophyll Meter analyzer Three relay chlorophyll cyanobacteria COD SS tester Chlorophyll monitor

      $568.00 - $570.00
      Min Order: 5 units
      Power: Electronic
      CN
      2 yrs
      5.0
      /5
      ·
      18 reviews
      ·
      "Nice service"
      Contact Supplier
      NE555 Doorbell Suite Electronic Production Doorbell Suite DIY Kit Ding dong doorbell PCB welding laboratory

      NE555 Doorbell Suite Electronic Production Doorbell Suite DIY Kit Ding dong doorbell PCB welding laboratory

      $0.60 - $0.70
      Min Order: 100 pieces
      CN
      4 yrs
      4.8
      /5
      ·
      11 reviews
      ·
      "prompt service"
      Contact Supplier
      J391466-00 PROCESSOR RELAY P.C.B. Noritsu QSS3501 minilab part

      J391466-00 PROCESSOR RELAY P.C.B. Noritsu QSS3501 minilab part

      $400.00 - $600.00
      Min Order: 1 unit
      Condition: Used
      Warranty: Unavailable
      CN
      11 yrs
      4.8
      /5
      ·
      6 reviews
      ·
      "Good Supplier"
      Contact Supplier
      DDG-2080pro Online Conductivity/TDS/Resistivity/Salinity Meter with Three Relay

      DDG-2080pro Online Conductivity/TDS/Resistivity/Salinity Meter with Three Relay

      $639.00 - $756.00
      Min Order: 1 set
      CN
      6 yrs
      5.0
      /5
      ·
      8 reviews
      ·
      "Professional factory"
      Contact Supplier
      wholesale High quality sullair air compressor parts 045496 Intermediate relay

      wholesale High quality sullair air compressor parts 045496 Intermediate relay

      $50.00 - $100.00
      Min Order: 1 piece
      CN
      5 yrs
      4.8
      /5
      ·
      5 reviews
      ·
      "magnificent service"
      Contact Supplier
      Overload Relays Three Pole Didactic Equipment Electrical Engineering Lab Equipment

      Overload Relays Three Pole Didactic Equipment Electrical Engineering Lab Equipment

      $1,000.00 - $8,000.00
      Min Order: 1 set
      CN
      1 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      2 Relays And 4-20ma Signal Output Sensor Ph Conductivity Tds Ec Meter Controller

      2 Relays And 4-20ma Signal Output Sensor Ph Conductivity Tds Ec Meter Controller

      Ready to Ship
      $250.00 - $1,000.00
      Min Order: 1 set
      Shipping per piece: $49.31
      CN
      1 yrs
      4.8
      /5
      ·
      7 reviews
      ·
      "Good Customer Service"
      Contact Supplier
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      About products and suppliers

      323 lab relay products are offered for sale by suppliers on Alibaba.com, of which relays accounts for 1%. A wide variety of lab relay options are available to you, You can also choose from low power, lab relay,as well as from epoxy lab relayAnd whether lab relay is electromagnetic relay, {2}, or {3}.
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