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ABBAC contactor
Product Model

AF300B-30-11RT-72

Manufacturer

ABB

Category

AC contactor

Product ID

88261

In Stock
Last updated: 2025/4/22
View Specifications
ABB AF300B-30-11RT-72

Selling Points

  • 1High Performance: Designed for demanding applications with high operational currents and breaking capacities.
  • 2Wide Voltage Range: Operates with a wide control voltage range of 20-60V DC.
  • 3Versatile Applications: Suitable for motor starting, isolation, bypass, and distribution applications.
  • 4Reliable Contacts: Includes 1NO and 1NC auxiliary contacts for added functionality.
  • 5Durable Construction: Built with robust materials to withstand various environmental conditions.
Product Details
AF300B-30-11RT-72
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
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
3
Number of Main Contacts NC
0
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
Conventional Free-air Thermal Current (Ith)
acc. to IEC 60947-4-1, Open Contactors Θ = 40 °C 500 A
Rated Operational Current AC-1 (Ie)
(690 V) 40 °C 500 A (690 V) 55 °C 400 A (690 V) 70 °C 325 A
Rated Operational Current AC-3 (Ie)
(415 V) 55 °C 300 A (440 V) 55 °C 280 A (500 V) 55 °C 280 A (690 V) 55 °C 280 A (380 / 400 V) 55 °C 305 A (220 / 230 / 240 V) 55 °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 °C Ambient Temp, in Free Air, from a Cold State 10 s 2400 A at 40 °C Ambient Temp, in Free Air, from a Cold State 15 min 500 A at 40 °C Ambient Temp, in Free Air, from a Cold State 1 min 1100 A at 40 °C Ambient Temp, in Free Air, from a Cold State 1 s 3500 A at 40 °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 °C 450 A (220 V) 3 Poles in Series, 40 °C 450 A
Rated Operational Current DC-3 (Ie)
(110 V) 2 Poles in Series, 40 °C 450 A (220 V) 3 Poles in Series, 40 °C 450 A
Rated Operational Current DC-5 (Ie)
(110 V) 2 Poles in Series, 40 °C 450 A (220 V) 3 Poles in Series, 40 °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 θ ≤ 70 °C)
Rated Control Circuit Voltage (Uc)
DC Operation 20 ... 60 V
Coil Consumption
Holding at Max. Rated Control Circuit Voltage 50 Hz 10 V·A Holding at Max. Rated Control Circuit Voltage 60 Hz 10 V·A Holding at Max. Rated Control Circuit Voltage DC 2 W Pull-in at Max. Rated Control Circuit Voltage 50 Hz 470 V·A Pull-in at Max. Rated Control Circuit Voltage 60 Hz 470 V·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 mm² Rigid Al-Cable 2 x 95 ... 120 mm² Rigid Cu-Cable 16 ... 240 mm²
Connecting Capacity Auxiliary Circuit
Flexible with Ferrule 2x 0.75 ... 2.5 mm² Flexible with Insulated Ferrule 2x 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) 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 °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
Object Classification Code
Q
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

Specifications may be subject to change without notice