AF145B-30-11RT-72

Name: AF145B-30-11RT-72
Brand: ABB
SKU: AF145B-30-11RT-72

The ABB AF145B-30-11RT-72 is a 3-phase DC contactor suitable for various applications, including motor starting and distribution. It operates within a wide voltage range of 20-60V DC, ensuring reliable and efficient performance.

Product ModelAF145B-30-11RT-72

Material Number1SFL477062R7211

Product ID88599

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Wide Voltage Range Operation DescriptionThe ABB AF145B-30-11RT-72 operates within a wide voltage range of 20-60V DC, making it versatile for various applications.
2
2. Reliable Performance DescriptionDesigned for reliable performance, this contactor ensures consistent operation in demanding environments.
3
3. Efficient Power Handling DescriptionWith a robust design, the AF145B-30-11RT-72 efficiently handles power requirements, making it ideal for motor starting and distribution applications.
4
4. Compact Design DescriptionThe compact design of the AF145B-30-11RT-72 makes it easy to integrate into existing systems, saving space and enhancing overall efficiency.
5

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

111.5 mm

Product Net Depth / Length

160 mm

Product Net Height

196 mm

Product Net Weight

3.3 kg

Number of Main Contacts NO

Number of Main Contacts NC

5. Railway Application Suitability DescriptionSpecifically designed for railway applications, this contactor meets the stringent requirements of the rail industry, ensuring safe and reliable operation.

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 250 A

Rated Operational Current AC-1 (Ie)

(1000 V) 40 Â°C 180 A (1000 V) 55 Â°C 180 A (1000 V) 70 Â°C 180 A (690 V) 40 Â°C 250 A (690 V) 55 Â°C 230 A (690 V) 70 Â°C 180 A

Rated Operational Current AC-3 (Ie)

(415 V) 55 Â°C 145 A (440 V) 55 Â°C 145 A (500 V) 55 Â°C 145 A (690 V) 55 Â°C 120 A (1000 V) 55 Â°C 80 A (380 / 400 V) 55 Â°C 145 A (220 / 230 / 240 V) 55 Â°C 145

Rated Operational Power AC-3 (Pe)

(415 V) 75 kW (440 V) 75 kW (500 V) 90 kW (690 V) 110 kW (1000 V) 110 kW (380 / 400 V) 75 kW (220 / 230 / 240 V) 45 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 160 A

Maximum Breaking Capacity

cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 440 V 1500 A cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 690 V 1200 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 250 A (220 V) 3 Poles in Series, 40 Â°C 250 A

Rated Operational Current DC-3 (Ie)

(110 V) 2 Poles in Series, 40 Â°C 250 A (220 V) 3 Poles in Series, 40 Â°C 250 A

Rated Operational Current DC-5 (Ie)

(110 V) 2 Poles in Series, 40 Â°C 250 A (220 V) 3 Poles in Series, 40 Â°C 250 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 12 VÂ·A Holding at Max. Rated Control Circuit Voltage 60 Hz 12 VÂ·A Holding at Max. Rated Control Circuit Voltage DC 2 W Pull-in at Max. Rated Control Circuit Voltage 50 Hz 430 VÂ·A Pull-in at Max. Rated Control Circuit Voltage 60 Hz 430 VÂ·A Pull-in at Max. Rated Control Circuit Voltage DC 500 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 24 mmÂ² Rigid Al-Cable 1 x 25 ... 150 mmÂ² Rigid Cu-Cable 1 x 6 ... 185 mmÂ²

Connecting Capacity Auxiliary Circuit

Flexible with Ferrule 1x 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

NEMA Size

Maximum Operating Voltage UL/CSA

Main Circuit 600 V

General Use Rating UL/CSA

(600 V AC) 230 A

Horsepower Rating UL/CSA

(200 V AC) Three Phase 40 hp (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

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

1SFL477062R7211