AF305-30-11-31

Name: AF305-30-11-31
Brand: ABB
SKU: AF305-30-11-31

The ABB AF305-30-11-31 is a 3-phase AC/DC contactor suitable for motor starting, isolation, and distribution applications. It features a wide control voltage range, surge protection, and a compact block-type design.

Product ModelAF305-30-11-31

Material Number1SFL587002R3111

Product ID86917

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Wide Control Voltage RangeThe ABB AF305-30-11-31 contactor operates with a wide control voltage range of 100 to 250 VAC/VDC, making it adaptable to various global control voltages without needing coil changes.
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2. Surge ProtectionEquipped with built-in surge suppression, this contactor ensures reliable operation even in unstable network conditions, reducing the risk of electrical surges affecting the circuit.
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3. Compact DesignThe AF305-30-11-31 features a compact block-type design, allowing for easy integration into control panels and reducing panel energy consumption.
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4. High PerformanceDesigned to manage large control voltage variations, this contactor can handle high power ratings up to 160 kW (250 hp, 300 hp) and switch power circuits up to 500 A (AC-1) or 400 A UL general use.

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

191 mm

Product Net Height

225 mm

Product Net Weight

3.9 kg

Number of Main Contacts NO

Number of Main Contacts NC

5. Versatile ApplicationsSuitable for various applications including motor starting, isolation, by-pass, and distribution up to a maximum of 1000 V, making it a versatile solution for diverse electrical needs.

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 500 A

Rated Operational Current AC-1 (Ie)

(1000 V) 40 Â°C 375 A (1000 V) 60 Â°C 325 A (1000 V) 70 Â°C 260 A (690 V) 40 Â°C 500 A (690 V) 60 Â°C 400 A (690 V) 70 Â°C 325 A

Rated Operational Current AC-3 (Ie)

(415 V) 60 Â°C 305 A (440 V) 60 Â°C 305 A (500 V) 60 Â°C 290 A (690 V) 60 Â°C 290 A (1000 V) 60 Â°C 131 A (380 / 400 V) 60 Â°C 305 A (220 / 230 / 240 V) 60 Â°C 305 A

Rated Operational Power AC-3 (Pe)

(415 V) 160 kW (440 V) 160 kW (500 V) 200 kW (690 V) 250 kW (1000 V) 185 kW (380 / 400 V) 160 kW (220 / 230 / 240 V) 90 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 2440 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 15 min 500 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 1 min 996 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 1 s 3050 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 30 s 1409 A

Maximum Breaking Capacity

cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 440 V 4600 A cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 690 V 3800 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 24 ... 60 V 60 Hz 24...60 V DC Operation 20...60 V

Coil Consumption

Holding at Max. Rated Control Circuit Voltage 50 Hz 9 VÂ·A Holding at Max. Rated Control Circuit Voltage 50 Hz 3 W Holding at Max. Rated Control Circuit Voltage 60 Hz 9 VÂ·A Holding at Max. Rated Control Circuit Voltage 60 Hz 3 W Holding at Max. Rated Control Circuit Voltage DC 3.5 W Pull-in at Max. Rated Control Circuit Voltage 50 Hz 475 VÂ·A Pull-in at Max. Rated Control Circuit Voltage 60 Hz 475 VÂ·A Pull-in at Max. Rated Control Circuit Voltage DC 400 W

Operate Time

Between Coil De-energization and NO Contact Opening 45 ... 80 ms Between Coil Energization and NO Contact Closing 30 ... 60 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) 400 A

Horsepower Rating UL/CSA

(200 ... 208 V AC) Three Phase 100 hp (220 ... 240 V AC) Three Phase 125 hp (440 ... 480 V AC) Three Phase 250 hp (550 ... 600 V AC) Three Phase 300 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

1SFL587002R3111