Power Contactor Manufacturer

Power Contactor

Power Contactor Manufacturer

Stronger is a leading Power Contactor Manufacturer, providing high-performance contactors designed for efficient power control and management. Our power contactors are built for durability and reliability, ideal for industrial and commercial applications.

Power Contactor Model Description

2 POLE CONTACTOR

2 POLE CONTACTOR
  Full Load (lnductive)(A) Locked Rotor (Per Role)(A)   Resistive Rating (A)
AC 240V/AC 277V AC 480V AC 600V
20 120 100 80 30
30 150 125 100 40
40 240 200 150 50

3 POLE CONTACTOR

Type   ST1-D 09 ST1-D 12 ST1-D 18 ST1-D 25 ST1-D 32 ST1-D 40 ST1-D 50 ST1-D 65 ST1-D 80 ST1-D 95
Rated Working Current (A) AC3 9 12 18 25 32 40 50 65 80 95
AC4 3.5 5 7.7 8.5 12 18.5 24 28 37 44
    Standard Power Ratings of 3 Phase Motors 50/60 Hz in Catagory AC-3 22o0/v23 2.2 3 4 5.5 7.5 11 15 18.5 22 25
  4 5.5 7.5 11 15 18.5 22 30 27 45
415V 4 5.5 9 11 15 22 25 37 45 45
  5.5 7.5 10 15 18.5 22 30 37 55 65
660/69 ov 5.5 7.5 10 15 18.5 30 33 37 45 65
Rated Heat Current (A)   20 20 32 40 50 60 80 125 125 125
  Electrical Life AC 3(X104) 100 100 100 100 80 80 60 60 60 60
AC 4(X104) 20 20 20 20 20 15 15 15 10 10
  Number of the Contacts   3P+NO 3P+NO 3P+NO 3P+NC +NO 3P+NC +NO 3P+NC +NO 3P+NC +NO 3P+NC +NO 3P+NC +NO 3P+NC +NO
  3P+NC +NO 3P+NC +NO 3P+NC +NO 3P+NC +NO 3P+NC +NO 3P+NC +NO 3P+NC +NO 3P+NC +NO 3P+NC +NO 3P+NC +NO
 
3 POLE CONTACTOR st1-d09
3 POLE CONTACTOR st1-d12
3 POLE CONTACTOR st1-d18
3 POLE CONTACTOR st1-d25

ST1-D09

ST1-D12

ST1-D18

ST1-D25

3 POLE CONTACTOR st1-d40
3 POLE CONTACTOR st1-d50
3 POLE CONTACTOR st1-d65
3 POLE CONTACTOR st1-d80

ST1-D40

ST1-D50

ST1-D65

ST1-D80

3 POLE CONTACTOR st1-d95

ST1-D95

POWER CONTACTOR & ACCESSORIES

ADD ON BLOCK

add on block
Type LA1-DN02 LA1-DN11 LA1-DN20 LA1-DN22
Contact Number   2NC   1NO + 1NC   2NO   2NO+2NC
Type LA1-DN40 LA1-DN04 LA1-DN13 LA1-DN31
Contact Number 4NO 4NC 1NO +3NC 3NO +1NC

NO VOLT COIL

NO VOLT COIL
LX1-D2 ST1-D09 to ST1-D18
LX1-D4 ST1-D25 to ST1-D32
LX1-D6 ST1-D40 to ST1-D95

ON DELAY TIMER

ON DELAY TIMER
Type Delay Range Number of the Delay Contacts
LA2-DT0 0.1-3s   NO+ NC
LA2-DT2 0.1-30s
LA2-DT4 10-180s

THERMAL OVERLOAD RELAY

THERMAL OVERLOAD RELAY
THERMAL OVERLOAD RELAY diagram
Model Used for Contactor ST2-R2 ST2-R2
Current Class Used for Contactor 25 36
Phase Failure Used for Contactor YES YES
Mounting Mode Plug in mode YES YES
Independent YES YES
Auxiliary Contacts Configuration of Contacts 1N/O +1N/C 1N/O +1N/C

Stronger is a renowned name in the industry, specializing in the manufacturing of high-quality power contactors. As a leading Power Contactor Manufacturer, Stronger is committed to providing advanced electrical contactor solutions for both AC and DC power systems.

What is a Power Contactor?

A Power Contactoris an electrically controlled switch used for switching an electrical power circuit. It is mainly designed to handle high-current load circuits and is widely used in industrial applications such as motors, lighting, heating, and other electrical loads. Power contactors are ideal for remote control operations, allowing the efficient management of heavy electrical equipment with minimal user input.

Manufacturing Details of the Product

At Stronger, the manufacturing process of Power Contactorsis carried out using advanced technology and precision engineering. We use high-grade materials like copper and silver alloy contacts to ensure excellent conductivity and longevity. Our contactors are built to meet stringent quality standards, adhering to international certifications for safety and performance. The assembly process involves the integration of modern insulating materials and a robust coil mechanism to ensure efficient and safe operation.

Specifications of Stronger Power Contactors

  • Rated Voltage: 24V-690V (AC/DC)
  • Current Capacity: 6A to 800A
  • Number of Poles: 1, 2, 3, or 4 pole configurations
  • Coil Voltage: AC and DC coil options
  • Operating Temperature: -25°C to 55°C
  • Frequency: 50/60Hz
  • Contact Material: Silver alloy or copper contacts for high conductivity
  • Insulation Class: Class F for enhanced safety
  • Mechanical Life: 10 million operations
  • Electrical Life: Up to 1 million operations

Features of Stronger Power Contactors

  • Durability: Stronger contactors are built for long-lasting performance, offering reliable switching operations even under heavy loads.
  • Energy Efficiency: Designed to minimize energy consumption while maximizing efficiency in controlling electrical circuits.
  • High Contact Reliability: Silver alloy or copper contacts ensure minimal voltage drop and improved electrical conductivity.
  • Safety Standards: Stronger contactors comply with international safety standards, providing a high level of protection against short circuits and overloads.
  • Compact Design: The space-efficient design allows for easy installation in electrical panels and control systems.
  • Noise Reduction: Advanced coil design reduces operational noise, making the contactors suitable for noise-sensitive environments.
  • Versatility: Available in AC and DC models, Stronger power contactors can be used in a wide range of applications including motor control, lighting circuits, and HVAC systems.