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AC Contactor Manufacturers

I have found results from800+products and200+suppliers aboutAC Contactor

Wenzhou Santuo Electrical Co., Ltd.mic-icon
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Sch8-40A Household AC Contactor in Power Systems

Sch8-40A Household AC Contactor in Power Systems

US$2.90-3.00
1,000 Pieces(MOQ)
Sample Available
Sontuoec Stc-D 3p AC Contactor with The Thermal Relay

Sontuoec Stc-D 3p AC Contactor with The Thermal Relay

US$2.15-2.25
1,000 Pieces(MOQ)
Sample Available
Sth8 25A 2p Household Mini AC Contactor, Modular Contactor with DIN Rail

Sth8 25A 2p Household Mini AC Contactor, Modular Contactor with DIN Rail

US$3.55-3.65
1,000 Pieces(MOQ)
Sample Available
Sontuoec 3stf46 3p AC Contactor

Sontuoec 3stf46 3p AC Contactor

US$3.15-3.25
1,000 Pieces(MOQ)
Sample Available
Sontuoec Sta-3p 20A Air Conditioning Contactor AC Contactor

Sontuoec Sta-3p 20A Air Conditioning Contactor AC Contactor

US$2.25-2.35
1,000 Pieces(MOQ)
Sample Available
Sontuoec Sc1-0910 (LC1) 3p4p AC Contactor

Sontuoec Sc1-0910 (LC1) 3p4p AC Contactor

US$1.81-1.85
1,000 Pieces(MOQ)
Sample Available
Sontuoec Stc1-D 3p4p AC Contactor

Sontuoec Stc1-D 3p4p AC Contactor

US$12.95-13.25
1,000 Pieces(MOQ)
Sample Available
Sontuoec Stc-D 3p 4p AC Contactor

Sontuoec Stc-D 3p 4p AC Contactor

US$1.95-2.15
1,000 Pieces(MOQ)
Sample Available
Sontuoec Stac2 1p Long Life AC Contactor for Air Condition

Sontuoec Stac2 1p Long Life AC Contactor for Air Condition

US$1.95-2.25
1,000 Pieces(MOQ)
Sample Available
Stsp-15 Series Magnetic Contactor AC Contactor

Stsp-15 Series Magnetic Contactor AC Contactor

US$2.35-2.50
1,000 Pieces(MOQ)
Sample Available
Sontuoec St1-3210 3p 4p AC Contactor 9A to 85A New Model

Sontuoec St1-3210 3p 4p AC Contactor 9A to 85A New Model

US$2.75
1,000 Pieces(MOQ)
Sample Available
Sontuoec St1-N95 (LC1) 3p 4p AC Contactor

Sontuoec St1-N95 (LC1) 3p 4p AC Contactor

US$2.15-2.25
2,000 Pieces(MOQ)
Sample Available
Sontuoec St2-3210 3p 4p AC Contactor 230/400V

Sontuoec St2-3210 3p 4p AC Contactor 230/400V

US$1.95-2.00
100 Pieces(MOQ)
Sample Available
Sontuoec Stc-2511 3p 4p AC Contactor

Sontuoec Stc-2511 3p 4p AC Contactor

US$2.15-2.25
2,000 Pieces(MOQ)
Sample Available
Sontuoec St1n-12 (LC1) 3p 4p AC Contactor

Sontuoec St1n-12 (LC1) 3p 4p AC Contactor

US$2.15-2.25
2,000 Pieces(MOQ)
Sample Available
3tbs, 3TFS Series 3p Magnetic Contactor High Quality AC Contactor

3tbs, 3TFS Series 3p Magnetic Contactor High Quality AC Contactor

US$3.15-3.25
1,000 Pieces(MOQ)
Sample Available
Sontuoec New Contactor for St1/LC1-D/Cjx2 3p 4p AC Contactor

Sontuoec New Contactor for St1/LC1-D/Cjx2 3p 4p AC Contactor

US$1.95-2.15
1,000 Pieces(MOQ)
Sample Available
S-N25 Series AC Contactor 220V, 380V 3p

S-N25 Series AC Contactor 220V, 380V 3p

US$3.12-3.25
1,000 Pieces(MOQ)
Sample Available
Sontuoec St1n09 (LC1-Ds) 3p 4p AC Contactor

Sontuoec St1n09 (LC1-Ds) 3p 4p AC Contactor

US$2.15-2.25
2,000 Pieces(MOQ)
Sample Available
Sontuoec Stmc-65 3p 4p AC Contactor

Sontuoec Stmc-65 3p 4p AC Contactor

US$2.25-2.45
1,000 Pieces(MOQ)
Sample Available
Sontuoec Stc-N85 3p AC Contactor

Sontuoec Stc-N85 3p AC Contactor

US$1.95-2.05
1,000 Pieces(MOQ)
Sample Available
OEM Customer LC1-D Series AC Contactor 3pole

OEM Customer LC1-D Series AC Contactor 3pole

US$2.20-2.35
1,000 Pieces(MOQ)
Sample Available
Sontuoec St1-6510 3p 4p AC Contactor LC1-D Design Electrical Contactor Factory Price

Sontuoec St1-6510 3p 4p AC Contactor LC1-D Design Electrical Contactor Factory Price

US$1.95-2.15
1,000 Pieces(MOQ)
Sample Available
Magnetic Contactor Sontuoec S-K, S-N Series 3p AC Contacror

Magnetic Contactor Sontuoec S-K, S-N Series 3p AC Contacror

US$2.45-2.57
1,000 Pieces(MOQ)
Sample Available
Sontuoec Stmc-N3p AC Contactor New Model IEC60947-4-1 Standard AC Contactor Replacement

Sontuoec Stmc-N3p AC Contactor New Model IEC60947-4-1 Standard AC Contactor Replacement

US$2.25-2.45
1,000 Pieces(MOQ)
Sample Available
Sontuoec Stc-25 (GMC) AC Contactor

Sontuoec Stc-25 (GMC) AC Contactor

US$1.76-1.95
1,000 Pieces(MOQ)
Sample Available
Sontuoec Gmc Series Magnetic Contactor AC Contactor

Sontuoec Gmc Series Magnetic Contactor AC Contactor

US$1.76-1.95
1,000 Pieces(MOQ)
Sample Available
Sontuoec Stc2-L (GMC) AC Contactor

Sontuoec Stc2-L (GMC) AC Contactor

US$1.76-1.95
1,000 Pieces(MOQ)
Sample Available
Sc1-D 3p AC Contactor Electrical Lighting Contactor

Sc1-D 3p AC Contactor Electrical Lighting Contactor

US$1.95-2.05
2,000 Pieces(MOQ)
Sample Available
St1n25 3p AC Contactor Magnetic Contactor

St1n25 3p AC Contactor Magnetic Contactor

US$2.15-2.25
2,000 Pieces(MOQ)
Sample Available
Sontuoec Gmc Series 3p AC Contactor Outfactory Price

Sontuoec Gmc Series 3p AC Contactor Outfactory Price

US$1.95-2.05
1,000 Pieces(MOQ)
Sample Available
Sontune St2-6510 3p4p AC Contactor Electrical Contactors Definite Purpose Contactor

Sontune St2-6510 3p4p AC Contactor Electrical Contactors Definite Purpose Contactor

US$1.95-2.15
1,000 Pieces(MOQ)
Sample Available
Magnetic Contactor Sontuoec Stc3-N (GMC) AC Contactor

Magnetic Contactor Sontuoec Stc3-N (GMC) AC Contactor

US$1.76-1.95
1,000 Pieces(MOQ)
Sample Available
Sontuoec Stc-18 (GMC) AC Contactor 3p

Sontuoec Stc-18 (GMC) AC Contactor 3p

US$6.75-6.95
1,000 Pieces(MOQ)
Sample Available
AC Contactor Gmc Contactor, 3 Phase Electricity Gmc Brand AC Contactormagnetic Contactors

AC Contactor Gmc Contactor, 3 Phase Electricity Gmc Brand AC Contactormagnetic Contactors

US$1.76-1.95
1,000 Pieces(MOQ)
Sample Available
Sontuoec Stc-D Series 3, 4 Pole Contactor AC, DC Magnetic Contactors

Sontuoec Stc-D Series 3, 4 Pole Contactor AC, DC Magnetic Contactors

US$1.81-1.85
1,000 Pieces(MOQ)
Sample Available
Gmc-18/Stc-50 220VAC 50Hz AC Electrical Contactor Gmc Magnetic Contactor

Gmc-18/Stc-50 220VAC 50Hz AC Electrical Contactor Gmc Magnetic Contactor

US$1.76-1.95
1,000 Pieces(MOQ)
Sample Available

Sourcing guidance for AC Contactor

How to select the correct AC Contactor based on electrical specifications?

Selecting the right AC Contactor requires matching the Rated Operational Voltage (Ue) and Rated Operational Current (Ie) with your load requirements. You must identify the Utilization Category (e.g., AC-1 for non-inductive loads like heaters, or AC-3 for squirrel-cage motors) to ensure the device can handle starting currents. Additionally, verify the Coil Voltage (AC or DC) and the number of Auxiliary Contacts (NO/NC) needed for your control circuit logic.

What are the key compliance and safety standards for international procurement?

For global trade, ensure the contactors comply with IEC 60947-4-1, which is the international benchmark for low-voltage switchgear. If exporting to the US, UL certification is mandatory; for the European market, CE marking and RoHS compliance are essential. For the Chinese market, look for the CCC (China Compulsory Certificate) mark to ensure the product meets national safety standards.

What technical features indicate a high-quality AC Contactor?

High-quality contactors feature silver alloy contacts (typically AgNi or AgSnO2) to provide superior conductivity and arc resistance. Look for a high mechanical life (typically ≥10 million cycles) and electrical life (≥1 million cycles). Advanced models include built-in surge suppressors to protect sensitive electronics and use flame-retardant V0-grade plastics for the housing to prevent fire hazards.

How does the working environment affect AC Contactor selection?

Environmental factors are critical. For harsh industrial settings, check the IP Rating (e.g., IP20 for finger protection). If the installation is in a high-altitude area or extreme temperature zone, you must apply derating factors because air density affects cooling and insulation. For high-vibration environments, prioritize contactors with secure screw terminals or spring-clamp technology to prevent loosening.

Cross-Border Procurement Considerations for AC Contactors

What are the common risks when sourcing electrical components from overseas?

The primary risks include counterfeit branding and substandard material usage (such as copper-clad aluminum instead of pure copper). To mitigate this, always request type test reports from independent labs and use Made-in-China.com's Secured Trading services to ensure the supplier is verified and the products meet the agreed-upon technical specifications.

How should I negotiate with suppliers for bulk electrical orders?

Focus on the Total Cost of Ownership (TCO) rather than just the unit price. Negotiate for tiered pricing based on annual volume and request a warranty period of at least 18-24 months. Ask for free replacement units (1-2%) within the shipment to cover potential DOA (Dead on Arrival) cases, which is more cost-effective than shipping single units back for repair.

What are the best practices for shipping and logistics for sensitive electrical gear?

AC Contactors contain delicate internal springs and ceramic parts. Ensure the supplier uses moisture-proof vacuum packaging and reinforced outer cartons with 'Fragile' and 'Keep Dry' labels. For sea freight, specify FCL (Full Container Load) if possible to reduce handling, or ensure palletization with shrink wrap for LCL shipments to prevent mechanical shock during transit.

How can I verify the authenticity of certifications provided by the manufacturer?

Do not rely solely on PDF copies. Cross-reference the certificate number on the official websites of the issuing bodies (e.g., UL Product iQ, TUV Rheinland Certipedia, or the CQC database). Ensure the factory name and address on the certificate match the business license of the supplier you are communicating with on Made-in-China.com.

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