AF140-30-11B-31

Name: AF140-30-11B-31
Brand: ABB
SKU: AF140-30-11B-31

Versatile 3-pole contactor with wide control voltage range, built-in surge protection, and high operational reliability.

Product ModelAF140-30-11B-31

Material Number1SFL447002R3111

Product ID85631

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Wide Control Voltage RangeThe AF140-30-11B-31 operates effectively within a wide control voltage range of 24 to 60 V AC and 20 to 60 V DC, ensuring flexibility in various electrical systems.
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2. Built-in Surge ProtectionEquipped with built-in surge protection, this contactor provides a compact solution for managing large control voltage variations, reducing panel energy consumptions, and ensuring distinct operations in unstable networks.
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3. High Operational ReliabilityDesigned with AF technology, the contactor offers high operational reliability and can manage large control voltage variations, making it suitable for demanding applications.
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4. Versatile ApplicationsThe AF140-30-11B-31 is suitable for various applications such as motor starting, isolation, bypass, and distribution up to a maximum of 690 V, making it a versatile solution for electrical systems.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

90 mm

Product Net Depth / Length

138.5 mm

Product Net Height

150 mm

Product Net Weight

1.3 kg

Number of Main Contacts NO

Number of Main Contacts NC

5. Compact DesignWith a compact design and pre-mounted auxiliary contacts, the contactor is easy to integrate into existing electrical panels, reducing installation time and space requirements.

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

Rated Operational Voltage

Main Circuit 690 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 200 A

Rated Operational Current AC-1 (Ie)

(690 V) 40 Â°C 200 A (690 V) 60 Â°C 175 A (690 V) 70 Â°C 160 A

Rated Operational Current AC-3 (Ie)

(415 V) 60 Â°C 140 A (440 V) 60 Â°C 140 A (500 V) 60 Â°C 130 A (690 V) 60 Â°C 80 A (380 / 400 V) 60 Â°C 140 A (220 / 230 / 240 V) 60 Â°C 140 A

Rated Operational Current AC-3e (Ie)

(415 V) 60 Â°C 140 A (440 V) 60 Â°C 140 A (500 V) 60 Â°C 130 A (690 V) 60 Â°C 80 A (380 / 400 V) 60 Â°C 140 A (220 / 230 / 240 V) 60 Â°C 140 A

Rated Operational Power AC-3 (Pe)

(415 V) 75 kW (440 V) 90 kW (500 V) 90 kW (690 V) 75 kW (380 / 400 V) 75 kW (220 / 230 / 240 V) 37 kW

Rated Operational Power AC-3e (Pe)

(415 V) 75 kW (440 V) 90 kW (500 V) 90 kW (690 V) 75 kW (380 / 400 V) 75 kW (220 / 230 / 240 V) 37 kW

Rated Breaking Capacity AC-3

8 x Ie AC-3

Rated Breaking Capacity AC-3e

8.5 x Ie AC-3e

Rated Making Capacity AC-3

10 x Ie AC-3

Rated Making Capacity AC-3e

12 x Ie AC-3e

Rated Short-time Withstand Current Low Voltage (Icw)

at 40 Â°C Ambient Temp, in Free Air, from a Cold State 10 s 1168 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 15 min 200 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 1 min 477 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 1 s 1460 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 30 s 674 A

Maximum Breaking Capacity

cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 440 V 3000 A cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 690 V 1500 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

Coil Operating Limits

(acc. to IEC 60947-4-1) 0.85 x Uc Min. ... 1.1 x Uc Max. (at Î¸ â¤ 70 Â°C)

Rated Control Circuit Voltage (Uc)

50 Hz 24 ... 60 V 60 Hz 24...60 V DC Operation 20...60 V

Coil Consumption

Holding at Max. Rated Control Circuit Voltage 50 Hz 5.5 VÂ·A Holding at Max. Rated Control Circuit Voltage 50 Hz 2.5 W Holding at Max. Rated Control Circuit Voltage 60 Hz 5.5 VÂ·A Holding at Max. Rated Control Circuit Voltage 60 Hz 2.5 W Holding at Max. Rated Control Circuit Voltage DC 2.5 W Pull-in at Max. Rated Control Circuit Voltage 50 Hz 225 VÂ·A Pull-in at Max. Rated Control Circuit Voltage 60 Hz 225 VÂ·A Pull-in at Max. Rated Control Circuit Voltage DC 210 W

Operate Time

Between Coil De-energization and NO Contact Opening 40 ... 70 ms Between Coil Energization and NO Contact Closing 20 ... 55 ms

Connecting Capacity Main Circuit

Flexible 2 x 10 ... 70 mmÂ² Rigid Cu-Cable 1 x 10 ... 95 mmÂ²

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

NEMA Size

Continuous Current Rating NEMA

135 A

Horsepower Rating NEMA

(200 V AC) Three Phase 40 Hp (230 V AC) Three Phase 50 Hp (460 V AC) Three Phase 100 Hp (575 V AC) Three Phase 100 Hp

Maximum Operating Voltage UL/CSA

Main Circuit 600 V

General Use Rating UL/CSA

(600 V AC) 200 A

Horsepower Rating UL/CSA

(200 ... 208 V AC) Three Phase 40 hp (220 ... 240 V AC) Three Phase 50 hp (440 ... 480 V AC) Three Phase 100 hp (550 ... 600 V AC) Three Phase 125 hp

Tightening Torque UL/CSA

Auxiliary Circuit 9 inÂ·lb Control Circuit 9 inÂ·lb Main Circuit 71 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

1SFL447002R3111