AF370-30-00-43

Name: AF370-30-00-43
Brand: ABB
SKU: AF370-30-00-43

High-power 3-phase contactor with a wide control voltage range (100-250 VAC/VDC), built-in surge suppression, and 3NO contact configuration. Suitable for motor starting, isolation, and distribution applications.

Product ModelAF370-30-00-43

Material Number1SFL607002R4300

Product ID87754

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Wide Control Voltage RangeThe ABB AF370-30-00-43 operates seamlessly with a wide control voltage range of 100 to 250 VAC/VDC, making it versatile for various applications across different network conditions.
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2. Built-in Surge SuppressionEquipped with built-in surge suppression, this contactor ensures reliable operation even in unstable networks, reducing the risk of electrical surges affecting the control circuit.
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3. Distinct Closing and Opening OperationsThe AF370-30-00-43 features very distinct closing and opening operations, providing clear and reliable control over the motor or power circuit, ensuring smooth and efficient operation.
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4. High Power RatingWith a coil power rating of 200 kW, 300 hp, and 350 hp, this contactor is designed to handle high-power applications, making it ideal for demanding motor starting and distribution needs.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

140 mm

Product Net Depth / Length

180 mm

Product Net Height

225 mm

Product Net Weight

3.9 kg

Number of Main Contacts NO

Number of Main Contacts NC

5. Durable and Reliable DesignConstructed with a robust design and an operating temperature range of -40 to 70°C, the AF370-30-00-43 ensures long-lasting performance and reliability in various environmental conditions.

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

Rated Operational Voltage

Main Circuit 1000 V

Rated Frequency (f)

Main Circuit 50 / 60 Hz

Conventional Free-air Thermal Current (Ith)

acc. to IEC 60947-4-1, Open Contactors Î = 40 Â°C 600 A

Rated Operational Current AC-1 (Ie)

(1000 V) 40 Â°C 400 A (1000 V) 60 Â°C 350 A (1000 V) 70 Â°C 290 A (690 V) 40 Â°C 600 A (690 V) 60 Â°C 500 A (690 V) 70 Â°C 400 A

Rated Operational Current AC-3 (Ie)

(415 V) 60 Â°C 370 A (440 V) 60 Â°C 370 A (500 V) 60 Â°C 350 A (690 V) 60 Â°C 315 A (1000 V) 60 Â°C 141 A (380 / 400 V) 60 Â°C 370 A (220 / 230 / 240 V) 60 Â°C 370 A

Rated Operational Power AC-3 (Pe)

(415 V) 200 kW (440 V) 200 kW (500 V) 250 kW (690 V) 315 kW (1000 V) 200 kW (380 / 400 V) 200 kW (220 / 230 / 240 V) 110 kW

Rated Breaking Capacity AC-3

8 x Ie AC-3

Rated Making Capacity AC-3

10 x Ie AC-3

Rated Short-time Withstand Current Low Voltage (Icw)

at 40 Â°C Ambient Temp, in Free Air, from a Cold State 10 s 2960 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 15 min 600 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 1 min 1208 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 1 s 3700 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 30 s 1709 A

Maximum Breaking Capacity

cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 440 V 5000 A cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 690 V 4000 A

Maximum Electrical Switching Frequency

(AC-1) 300 cycles per hour (AC-2 / AC-4) 150 cycles per hour (AC-3) 300 cycles per hour

Rated Insulation Voltage (Ui)

acc. to IEC 60947-4-1 and VDE 0110 (Gr. C) 1000 V acc. to UL/CSA 1000 V

Rated Impulse Withstand Voltage (Uimp)

Main Circuit 8 kV

Mechanical Durability

5 million

Maximum Mechanical Switching Frequency

300 cycles per hour

Rated Control Circuit Voltage (Uc)

50 Hz 220 ... 240 V 60 Hz 220 ... 240 V

Coil Consumption

Holding at Max. Rated Control Circuit Voltage 50 Hz 20 VÂ·A Holding at Max. Rated Control Circuit Voltage 50 Hz 4.5 W Holding at Max. Rated Control Circuit Voltage 60 Hz 20 VÂ·A Holding at Max. Rated Control Circuit Voltage 60 Hz 4.5 W Pull-in at Max. Rated Control Circuit Voltage 50 Hz 385 VÂ·A Pull-in at Max. Rated Control Circuit Voltage 60 Hz 385 VÂ·A

Operate Time

Between Coil De-energization and NO Contact Opening 20 ... 30 ms Between Coil Energization and NO Contact Closing 20 ... 35 ms

Connecting Capacity Auxiliary Circuit

Flexible with Ferrule 1x 0.75 ... 2.5 mmÂ² Flexible with Ferrule 2x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 2x 0.75 ... 2.5 mmÂ² Flexible 1x 0.75 ... 2.5 mmÂ² Flexible 2x 0.75 ... 2.5 mmÂ² Solid 1x 1 ... 4 mmÂ² Solid 2x 1 ... 4 mmÂ² Stranded 1x 1 ... 4 mmÂ² Stranded 2x 1 ... 4 mmÂ²

Wire Stripping Length

Auxiliary Circuit 9 mm Control Circuit 9 mm

Degree of Protection

acc. to IEC 60529, IEC 60947-1, EN 60529 Coil Terminals IP20 acc. to IEC 60529, IEC 60947-1, EN 60529 Main Terminals IP00

Terminal Type

Main Circuit: Bars

Maximum Operating Voltage UL/CSA

Main Circuit 1000 V

General Use Rating UL/CSA

(600 V AC) 520 A

Horsepower Rating UL/CSA

(200 ... 208 V AC) Three Phase 125 hp (220 ... 240 V AC) Three Phase 150 hp (440 ... 480 V AC) Three Phase 300 hp (550 ... 600 V AC) Three Phase 350 hp

Tightening Torque UL/CSA

Auxiliary Circuit 9 inÂ·lb Control Circuit 9 inÂ·lb Main Circuit 372 inÂ·lb

Ambient Air Temperature

Close to Contactor Fitted with Thermal O/L Relay (0.85 ... 1.1 Uc) -25 ... 55 Â°C Close to Contactor without Thermal O/L Relay (0.85 ... 1.1 Uc) -40 ... 70 Â°C Close to Contactor for Storage -40 ... 70 Â°C

Maximum Operating Altitude Permissible

Without Derating 3000 m

Object Classification Code

ETIM 7

EC000066 - Power contactor, AC switching

ETIM 8

EC000066 - Power contactor, AC switching

ETIM 9

EC000066 - Power contactor, AC switching

eClass

V11.0 : 27371003

UNSPSC

39121529

IDEA Granular Category Code (IGCC)

4758 >> Iec Contactors

Manufacturer ID

1SFL607002R4300