Compact, energy-efficient 3-pole non-reversing contactor with up to 80% reduced coil energy consumption, suitable for motor starting, isolation, and distribution applications.
Product ModelAF185B-30-11RT-72
Material Number1SFL497062R7211
Product ID88548
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Compact DesignThe ABB AF185B-30-11RT-72 features a significantly reduced width, making it ideal for space-constrained installations. Its compact size enhances flexibility in system design and integration.
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2. Energy EfficiencyWith an impressive 80% reduction in coil energy consumption, this contactor not only saves energy but also reduces operational costs. This makes it a cost-effective solution for various applications.
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3. Versatile ApplicationsThe AF185B-30-11RT-72 is suitable for a wide range of applications including motor starting, isolation, by-pass, and distribution up to 1000 V. Its versatility makes it a go-to choice for diverse industrial needs.
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4. Reliability and DurabilityABB is renowned for its high-quality products, and the AF185B-30-11RT-72 is no exception. Built with robust materials and designed for reliability, this contactor ensures consistent performance over time.
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
2.9 kg
Number of Main Contacts NO
3
Number of Main Contacts NC
0
5
5. Easy IntegrationThe AF185B-30-11RT-72 is designed to integrate seamlessly into existing systems. Its standard features and compact size make it easy to install and maintain, reducing downtime and increasing overall system efficiency.
Number of Auxiliary Contacts NO
1
Number of Auxiliary Contacts NC
1
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
Rated Frequency (f)
Main Circuit 50 / 60 Hz
Conventional Free-air Thermal Current (Ith)
acc. to IEC 60947-4-1, Open Contactors Π= 40 °C 275 A
Rated Operational Current AC-1 (Ie)
(1000 V) 40 °C 200 A (1000 V) 55 °C 200 A (1000 V) 70 °C 180 A (690 V) 40 °C 275 A (690 V) 55 °C 250 A (690 V) 70 °C 180 A
Rated Operational Current AC-3 (Ie)
(415 V) 55 °C 185 A (440 V) 55 °C 185 A (500 V) 55 °C 170 A (690 V) 55 °C 170 A (1000 V) 55 °C 95 A (380 / 400 V) 55 °C 185 A (220 / 230 / 240 V) 55 °C 185
cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 440 V 2000 A cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 690 V 1600 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 °C 275 A (220 V) 3 Poles in Series, 40 °C 275 A
Rated Operational Current DC-3 (Ie)
(110 V) 2 Poles in Series, 40 °C 275 A (220 V) 3 Poles in Series, 40 °C 275 A
Rated Operational Current DC-5 (Ie)
(110 V) 2 Poles in Series, 40 °C 275 A (220 V) 3 Poles in Series, 40 °C 275 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 θ ⤠70 °C)
Rated Control Circuit Voltage (Uc)
DC Operation 20 ... 60 V
Coil Consumption
Holding at Max. Rated Control Circuit Voltage 50 Hz 12 V·A Holding at Max. Rated Control Circuit Voltage 60 Hz 12 V·A Holding at Max. Rated Control Circuit Voltage DC 2 W Pull-in at Max. Rated Control Circuit Voltage 50 Hz 430 V·A Pull-in at Max. Rated Control Circuit Voltage 60 Hz 430 V·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
Flexible with Ferrule 2x 0.75 ... 2.5 mm² Flexible with Insulated Ferrule 1x 0.75 ... 2.5 mm² Flexible 2x0.75 ... 2.5 mm² Solid 2 x 1 ... 4 mm² Stranded 2 x 1 .... 4 mm²
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) 250 A
Horsepower Rating UL/CSA
(200 V AC) Three Phase 50 hp (208 V AC) Three Phase 50 hp (220 ... 240 V AC) Three Phase 60 hp (440 ... 480 V AC) Three Phase 125 hp (550 ... 600 V AC) Three Phase 150 hp
Ambient Air Temperature
Close to Contactor Fitted with Thermal O/L Relay (0.85 ... 1.1 Uc) -25 ... 50 °C Close to Contactor without Thermal O/L Relay (0.85 ... 1.1 Uc) -40 ... 70 °C Close to Contactor for Storage -40 ... 70 °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
