购买 Contactor vs Relay vs Circuit Breaker

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Cgele 2 Pole Air Conditioner Contactor 30 Amp 24V Coil,Condenser Contactor Compressor Contactor…
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3RT2017-1BB42 - Siemens 3 Pole 12A 600V 3 Phase Contactor 24V DC Coil 1NC Auxiliary
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Eaton Type BR 20-Amp 2 -Pole Tandem Circuit Breaker | BD2020
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Square D Homeline 200 -Amp 30 -Spaces 60 -Circuit Indoor Main Breaker Plug-On Neutral Load Center (Value Pack) | HOM3060M200PCVP
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Square D Homeline 200 -Amp 30 -Spaces 60 -Circuit Indoor Main Breaker Plug-On Neutral Load Center (Value Pack) | HOM3060M200PCVP
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Square D Homeline 20-Amp 1 -Pole Standard Trip Circuit Breaker | HOM120CP
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Square D Homeline 20-Amp 1 -Pole Standard Trip Circuit Breaker | HOM120CP
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Square D Homeline 30-Amp 2 -Pole Standard Trip Circuit Breaker | HOM230CP
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Square D Homeline 30-Amp 2 -Pole Standard Trip Circuit Breaker | HOM230CP
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HHFD63B175 - Siemens 175A 600V 3 Pole Molded Case Circuit Breaker, HHFD Frame, Bolt On Mount, 25Kaic @ 600V
Essential Electric Supply
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HHFD63B175 - Siemens 175A 600V 3 Pole Molded Case Circuit Breaker, HHFD Frame, Bolt On Mount, 25Kaic @ 600V
Essential Electric Supply
$293.00
Square D 8910Dpa73rv09 3 Pole Ctr 600Vac 75A Reduced Size
New Feedonomics Feed - ARC 8/12/2025
$293.00
Square D 8910Dpa73rv09 3 Pole Ctr 600Vac 75A Reduced Size
New Feedonomics Feed - ARC 8/12/2025
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Cutler Hammer FDC3040BP10 - Eaton 40 Amp 600 Vac 3 Pole Series C F-Frame Molded Case Circuit Breaker Circuit Breakers
Essential Electric Supply
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Cutler Hammer FDC3040BP10 - Eaton 40 Amp 600 Vac 3 Pole Series C F-Frame Molded Case Circuit Breaker Circuit Breakers
Essential Electric Supply
$69.98
Eaton 20-Amp 1 -Pole Dual Function AFCI/GFCI Plug-On Neutral Circuit Breaker | BRP120A1CS
Lowe's
26
$69.98
Eaton 20-Amp 1 -Pole Dual Function AFCI/GFCI Plug-On Neutral Circuit Breaker | BRP120A1CS
Lowe's
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$107.00
Square D Homeline 100 -Amp 20 -Spaces 40 -Circuit Indoor Main Breaker Plug-On Neutral Load Center (Value Pack) | HOM2040M100PCVP
Lowe's
646
$107.00
Square D Homeline 100 -Amp 20 -Spaces 40 -Circuit Indoor Main Breaker Plug-On Neutral Load Center (Value Pack) | HOM2040M100PCVP
Lowe's
646
$169.99
Eaton Bj2200 2 Pole 200 Amp Main Circuit Breaker Qty Cutler Hammer
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Eaton Bj2200 2 Pole 200 Amp Main Circuit Breaker Qty Cutler Hammer
eBay
$1,056.00
VS 25016 SIEMENS - Circuit Breaker & Load Center Accessory Supplies
Radwell.com
$1,056.00
VS 25016 SIEMENS - Circuit Breaker & Load Center Accessory Supplies
Radwell.com
$1,055.39
American/Federal Pacific NE234015 - Federal Pacific NE Series 15 Amp 3 Pole 240V Molded Case Circuit Breaker Circuit Breakers
Essential Electric Supply
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American/Federal Pacific NE234015 - Federal Pacific NE Series 15 Amp 3 Pole 240V Molded Case Circuit Breaker Circuit Breakers
Essential Electric Supply
$16.75
Contactor Double Two 2 Pole 30 Amp 24 Volts Air Conditioning Heat Pump Other
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Carrier HN51KC024 Single Pole 1 Pole 30 Amp Replacement Condenser Contactor By. Carrier. Other Auto Tools & Supplies. HN51KC024.
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Carrier HN51KC024 Single Pole 1 Pole 30 Amp Replacement Condenser Contactor By. Carrier. Other Auto Tools & Supplies. HN51KC024.
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WHATS IS CONTACTOR?
3:40
YouTubeGenesis Engineering
WHATS IS CONTACTOR?
A contactor is an electrical device which is used for switching an electrical circuit on or off. It is considered to be a special type of relay. However, the basic difference between the relay and contactor is that the contactor is used in applications with higher current carrying capacity, whereas the relay is used for lower current ...
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购买 Contactor vs Relay vs Circuit Breaker

广告
关于我们的广告
$975.04
Cutler Hammer FDC3040L - Eaton 40 Amp 600 Volt 3 Pole F Frame Molded Case Circuit Breaker Thermal Magnetic Circuit Breakers
Essential Electric Supply
折扣 75%
$975.04
Cutler Hammer FDC3040L - Eaton 40 Amp 600 Volt 3 Pole F Frame Molded Case Circuit Breaker Thermal Magnetic Circuit Breakers
Essential Electric Supply
$11.49
Cgele 2 Pole Air Conditioner Contactor 30 Amp 24V Coil,Condenser Contactor Compressor Contactor…
Amazon.com
577
$11.49
Cgele 2 Pole Air Conditioner Contactor 30 Amp 24V Coil,Condenser Contactor Compressor Contactor…
Amazon.com
577
$16.95
HQRP Single Pole / 1 Pole 30 Amp Coil 24-Volt Condenser Contactor Compatible With Carrier Payne Bryant HN51KC024, Trane C147094P02 1P030024V
Amazon.com
208
$16.95
HQRP Single Pole / 1 Pole 30 Amp Coil 24-Volt Condenser Contactor Compatible With Carrier Payne Bryant HN51KC024, Trane C147094P02 1P030024V
Amazon.com
208
$97.44
3RT2017-1BB42 - Siemens 3 Pole 12A 600V 3 Phase Contactor 24V DC Coil 1NC Auxiliary
Essential Electric Supply
1
$97.44
3RT2017-1BB42 - Siemens 3 Pole 12A 600V 3 Phase Contactor 24V DC Coil 1NC Auxiliary
Essential Electric Supply
1
$18.28
Eaton Type BR 20-Amp 2 -Pole Tandem Circuit Breaker | BD2020
Lowe's
274
$18.28
Eaton Type BR 20-Amp 2 -Pole Tandem Circuit Breaker | BD2020
Lowe's
274
$191.00
Square D Homeline 200 -Amp 30 -Spaces 60 -Circuit Indoor Main Breaker Plug-On Neutral Load Center (Value Pack) | HOM3060M200PCVP
Lowe's
647
$191.00
Square D Homeline 200 -Amp 30 -Spaces 60 -Circuit Indoor Main Breaker Plug-On Neutral Load Center (Value Pack) | HOM3060M200PCVP
Lowe's
647
$6.98
Square D Homeline 20-Amp 1 -Pole Standard Trip Circuit Breaker | HOM120CP
Lowe's
1 千+
$6.98
Square D Homeline 20-Amp 1 -Pole Standard Trip Circuit Breaker | HOM120CP
Lowe's
1 千+
$17.48
Square D Homeline 30-Amp 2 -Pole Standard Trip Circuit Breaker | HOM230CP
Lowe's
214
$17.48
Square D Homeline 30-Amp 2 -Pole Standard Trip Circuit Breaker | HOM230CP
Lowe's
214
$2,279.06
$22,169.00
HHFD63B175 - Siemens 175A 600V 3 Pole Molded Case Circuit Breaker, HHFD Frame, Bolt On Mount, 25Kaic @ 600V
Essential Electric Supply
折扣 89%
$2,279.06
$22,169.00
HHFD63B175 - Siemens 175A 600V 3 Pole Molded Case Circuit Breaker, HHFD Frame, Bolt On Mount, 25Kaic @ 600V
Essential Electric Supply
$293.00
Square D 8910Dpa73rv09 3 Pole Ctr 600Vac 75A Reduced Size
New Feedonomics Feed - ARC 8/12/2025
$293.00
Square D 8910Dpa73rv09 3 Pole Ctr 600Vac 75A Reduced Size
New Feedonomics Feed - ARC 8/12/2025
$1,059.62
Cutler Hammer FDC3040BP10 - Eaton 40 Amp 600 Vac 3 Pole Series C F-Frame Molded Case Circuit Breaker Circuit Breakers
Essential Electric Supply
$1,059.62
Cutler Hammer FDC3040BP10 - Eaton 40 Amp 600 Vac 3 Pole Series C F-Frame Molded Case Circuit Breaker Circuit Breakers
Essential Electric Supply
$69.98
Eaton 20-Amp 1 -Pole Dual Function AFCI/GFCI Plug-On Neutral Circuit Breaker | BRP120A1CS
Lowe's
26
$69.98
Eaton 20-Amp 1 -Pole Dual Function AFCI/GFCI Plug-On Neutral Circuit Breaker | BRP120A1CS
Lowe's
26
$107.00
Square D Homeline 100 -Amp 20 -Spaces 40 -Circuit Indoor Main Breaker Plug-On Neutral Load Center (Value Pack) | HOM2040M100PCVP
Lowe's
646
$107.00
Square D Homeline 100 -Amp 20 -Spaces 40 -Circuit Indoor Main Breaker Plug-On Neutral Load Center (Value Pack) | HOM2040M100PCVP
Lowe's
646
$169.99
Eaton Bj2200 2 Pole 200 Amp Main Circuit Breaker Qty Cutler Hammer
eBay
$169.99
Eaton Bj2200 2 Pole 200 Amp Main Circuit Breaker Qty Cutler Hammer
eBay
$1,056.00
VS 25016 SIEMENS - Circuit Breaker & Load Center Accessory Supplies
Radwell.com
$1,056.00
VS 25016 SIEMENS - Circuit Breaker & Load Center Accessory Supplies
Radwell.com
$1,055.39
American/Federal Pacific NE234015 - Federal Pacific NE Series 15 Amp 3 Pole 240V Molded Case Circuit Breaker Circuit Breakers
Essential Electric Supply
$1,055.39
American/Federal Pacific NE234015 - Federal Pacific NE Series 15 Amp 3 Pole 240V Molded Case Circuit Breaker Circuit Breakers
Essential Electric Supply
$16.75
Contactor Double Two 2 Pole 30 Amp 24 Volts Air Conditioning Heat Pump Other
eBay.com
Free shipping
$16.75
Contactor Double Two 2 Pole 30 Amp 24 Volts Air Conditioning Heat Pump Other
eBay.com
Free shipping
$70.41
Carrier HN51KC024 Single Pole 1 Pole 30 Amp Replacement Condenser Contactor By. Carrier. Other Auto Tools & Supplies. HN51KC024.
eBay
6
Free shipping
$70.41
Carrier HN51KC024 Single Pole 1 Pole 30 Amp Replacement Condenser Contactor By. Carrier. Other Auto Tools & Supplies. HN51KC024.
eBay
6