AF300B-30-11RT-72

Name: AF300B-30-11RT-72
Brand: ABB
SKU: AF300B-30-11RT-72

The ABB AF300-30-11-72 is a reliable 3-phase contactor suitable for motor starting, isolation, and distribution applications. It operates with a 20-60 VDC control voltage and includes 3NO poles and 1NO, 1NC auxiliary contacts.

Product ModelAF300B-30-11RT-72

Material Number1SFL557062R7211

Product ID88691

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable OperationThe ABB AF300-30-11-72 contactor ensures reliable operation with its magnetic coil and robust design, making it ideal for demanding applications.
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2. Wide Voltage RangeThis contactor operates with a wide control voltage range of 20-60 VDC, providing flexibility in various electrical systems.
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3. High PerformanceDesigned for high-performance applications, the AF300-30-11-72 contactor supports up to 250 kW at 690 V and 300 kW at 575/600 V, making it suitable for heavy-duty motor control.
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4. Versatile ApplicationsSuitable for various applications including motor starting, isolation, and distribution, this contactor is a versatile solution for electrical engineers and technicians.

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

180.5 mm

Product Net Height

227 mm

Product Net Weight

5.4 kg

Number of Main Contacts NO

Number of Main Contacts NC

5. Durable DesignWith a durable design and mechanical durability of up to 300 cycles per hour, the AF300-30-11-72 contactor ensures long-lasting performance in harsh environments.

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

Standards

IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-4-1, CSA C22.2 No. 60947-4-1, IEC 60077-1 (applicable parts), IEC 60077-2 (applicable parts), EN 50155 (applicable parts), TR CU 001/2011, IEC 61373, For compliance confirmation on applicable parts based on your application and combination, please consult your ABB sales representatives.

Rated Operational Voltage

Main Circuit 690 V

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)

(690 V) 40 Â°C 500 A (690 V) 55 Â°C 400 A (690 V) 70 Â°C 325 A

Rated Operational Current AC-3 (Ie)

(415 V) 55 Â°C 300 A (440 V) 55 Â°C 280 A (500 V) 55 Â°C 280 A (690 V) 55 Â°C 280 A (380 / 400 V) 55 Â°C 305 A (220 / 230 / 240 V) 55 Â°C 305

Rated Operational Power AC-3 (Pe)

(415 V) 160 kW (440 V) 160 kW (500 V) 200 kW (690 V) 250 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

Short-Circuit Protective Devices

gG Type Fuses 500 A

Rated Short-time Withstand Current Low Voltage (Icw)

at 40 Â°C Ambient Temp, in Free Air, from a Cold State 10 s 2400 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 1100 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 1 s 3500 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 30 s 1500 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 2500 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 Operational Current DC-1 (Ie)

(110 V) 2 Poles in Series, 40 Â°C 450 A (220 V) 3 Poles in Series, 40 Â°C 450 A

Rated Operational Current DC-3 (Ie)

(110 V) 2 Poles in Series, 40 Â°C 450 A (220 V) 3 Poles in Series, 40 Â°C 450 A

Rated Operational Current DC-5 (Ie)

(110 V) 2 Poles in Series, 40 Â°C 450 A (220 V) 3 Poles in Series, 40 Â°C 450 A

Rated Insulation Voltage (Ui)

acc. to IEC 60947-4-1 and VDE 0110 (Gr. C) 1000 V acc. to UL/CSA 600 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)

DC Operation 20 ... 60 V

Coil Consumption

Holding at Max. Rated Control Circuit Voltage 50 Hz 10 VÂ·A Holding at Max. Rated Control Circuit Voltage 60 Hz 10 VÂ·A Holding at Max. Rated Control Circuit Voltage DC 2 W Pull-in at Max. Rated Control Circuit Voltage 50 Hz 470 VÂ·A Pull-in at Max. Rated Control Circuit Voltage 60 Hz 470 VÂ·A Pull-in at Max. Rated Control Circuit Voltage DC 520 W

Operate Time

Between Coil De-energization and NC Contact Closing 40 ... 50 ms Between Coil De-energization and NO Contact Opening 43 ... 53 ms Between Coil Energization and NC Contact Opening 45 ... 85 ms Between Coil Energization and NO Contact Closing 50 ... 90 ms

Connecting Capacity Main Circuit

Bar 32 mmÂ² Rigid Al-Cable 2 x 95 ... 120 mmÂ² Rigid Cu-Cable 16 ... 240 mmÂ²

Connecting Capacity Auxiliary Circuit

Flexible with Ferrule 2x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 2x 0.75 ... 2.5 mmÂ² Flexible 2x0.75 ... 2.5 mmÂ² Solid 2 x 1 ... 4 mmÂ² Stranded 2 x 1 .... 4 mmÂ²

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

Connecting Terminals (delivered in open position) Main Poles

Flat type c/w screws and bolts

Terminal Type

Ring-Tongue Terminals

Maximum Operating Voltage UL/CSA

Main Circuit 600 V

General Use Rating UL/CSA

(600 V AC) 400 A

Horsepower Rating UL/CSA

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

Ambient Air Temperature

Close to Contactor Fitted with Thermal O/L Relay (0.85 ... 1.1 Uc) -25 ... 50 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

Resistance to Shock acc. to IEC 60068-2-27

Shock Direction: A 5 g Shock Direction: B1 5 g Shock Direction: B2 5 g Shock Direction: C1 5 g Shock Direction: C2 5 g

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)

4755 >> Contactors

Manufacturer ID

1SFL557062R7211