AF12ZB-30-10RT-21

Name: AF12ZB-30-10RT-21
Brand: ABB
SKU: AF12ZB-30-10RT-21

The ABB AF12ZB-30-10RT-21 is a versatile 3-pole contactor with a built-in auxiliary contact, ideal for controlling motors up to 5.5 kW. It supports both AC and DC voltage ranges, making it a reliable choice for various industrial applications.

Product ModelAF12ZB-30-10RT-21

Material Number

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Versatile Voltage RangeThe AF12ZB-30-10RT-21 supports a wide voltage range of 20-60V DC and 24-60V AC, ensuring compatibility with various industrial control systems.
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2. Built-in Auxiliary ContactThis contactor features a built-in auxiliary contact, simplifying the control circuit and reducing the need for additional components.
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3. Ring-Tongue TerminalsEquipped with Ring-Tongue Terminals, this contactor provides easy and secure connections, enhancing the overall reliability and efficiency of the system.
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4. High Current RatingWith a current rating of 28 A, the AF12ZB-30-10RT-21 is capable of handling high-power applications, making it suitable for demanding industrial environments.
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

45 mm

Product Net Depth / Length

77 mm

Product Net Height

86 mm

Product Net Weight

0.32 kg

Number of Main Contacts NO

Number of Main Contacts NC

5. Compact DesignThe contactor's compact design allows for easy integration into control panels, reducing space requirements and enhancing overall system efficiency.

6. Surge ProtectionThe AF12ZB-30-10RT-21 includes built-in surge protection, ensuring the reliability and stability of the control circuit even in unstable network conditions.

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

Auxiliary Circuit 690 V Main Circuit 690 V

Rated Frequency (f)

Auxiliary Circuit 50 / 60 Hz Control Circuit 50 / 60 Hz Main Circuit 50 / 60 Hz

Conventional Free-air Thermal Current (Ith)

acc. to IEC 60947-4-1, Open Contactors Î = 40 Â°C 35 A acc. to IEC 60947-5-1, Î = 40 Â°C 16 A

Rated Operational Current AC-1 (Ie)

(690 V) 40 Â°C 28 A (690 V) 60 Â°C 28 A (690 V) 70 Â°C 24 A

Rated Operational Current AC-3 (Ie)

(415 V) 60 Â°C 12 A (440 V) 60 Â°C 12 A (500 V) 60 Â°C 12.5 A (690 V) 60 Â°C 9 A (380 / 400 V) 60 Â°C 12 A (220 / 230 / 240 V) 60 Â°C 12 A

Rated Operational Current AC-3e (Ie)

(415 V) 60 Â°C 12 A (440 V) 60 Â°C 12 A (500 V) 60 Â°C 12.5 A (690 V) 60 Â°C 9 A (380 / 400 V) 60 Â°C 12 A (220 / 230 / 240 V) 60 Â°C 12 A

Rated Operational Power AC-3 (Pe)

(415 V) 5.5 kW (440 V) 5.5 kW (500 V) 7.5 kW (690 V) 7.5 kW (380 / 400 V) 5.5 kW (220 / 230 / 240 V) 3 kW

Rated Operational Power AC-3e (Pe)

(415 V) 5.5 kW (440 V) 5.5 kW (500 V) 7.5 kW (690 V) 7.5 kW (380 / 400 V) 5.5 kW (220 / 230 / 240 V) 3 kW

Rated Operational Current AC-15 (Ie)

(500 V) 2 A (690 V) 2 A (24 / 127 V) 6 A (220 / 240 V) 4 A (400 / 440 V) 3 A

Rated Short-time Withstand Current Low Voltage (Icw)

at 40 Â°C Ambient Temp, in Free Air, from a Cold State 10 s 150 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 15 min 35 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 1 min 60 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 1 s 300 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 30 s 80 A for 0.1 s 140 A for 1 s 100 A

Maximum Breaking Capacity

cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 440 V 250 A cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 690 V 106 A

Maximum Electrical Switching Frequency

(AC-1) 600 cycles per hour (AC-15) 1200 cycles per hour (AC-2 / AC-4) 300 cycles per hour (AC-3) 1200 cycles per hour (DC-13) 900 cycles per hour

Rated Operational Current DC-1 (Ie)

(110 V) 1-Pole, 40 Â°C 15 A (110 V) 1-Pole, 60 Â°C 15 A (110 V) 1-Pole, 70 Â°C 15 A (110 V) 2 Poles in Series, 40 Â°C 27 A (110 V) 2 Poles in Series, 60 Â°C 27 A (110 V) 2 Poles in Series, 70 Â°C 24 A (110 V) 3 Poles in Series, 40 Â°C 27 A (110 V) 3 Poles in Series, 60 Â°C 27 A (110 V) 3 Poles in Series, 70 Â°C 24 A (220 V) 2 Poles in Series, 40 Â°C 15 A (220 V) 2 Poles in Series, 60 Â°C 15 A (220 V) 2 Poles in Series, 70 Â°C 15 A (220 V) 3 Poles in Series, 40 Â°C 27 A (220 V) 3 Poles in Series, 60 Â°C 27 A (220 V) 3 Poles in Series, 70 Â°C 24 A (72 V) 1-Pole, 40 Â°C 27 A (72 V) 1-Pole, 60 Â°C 27 A (72 V) 1-Pole, 70 Â°C 24 A (72 V) 2 Poles in Series, 40 Â°C 27 A (72 V) 2 Poles in Series, 60 Â°C 27 A (72 V) 2 Poles in Series, 70 Â°C 24 A (72 V) 3 Poles in Series, 40 Â°C 27 A (72 V) 3 Poles in Series, 60 Â°C 27 A (72 V) 3 Poles in Series, 70 Â°C 24 A

Rated Operational Current DC-3 (Ie)

(110 V) 1-Pole, 40 Â°C 7 A (110 V) 1-Pole, 60 Â°C 7 A (110 V) 1-Pole, 70 Â°C 7 A (110 V) 2 Poles in Series, 40 Â°C 27 A (110 V) 2 Poles in Series, 60 Â°C 27 A (110 V) 2 Poles in Series, 70 Â°C 24 A (110 V) 3 Poles in Series, 40 Â°C 27 A (110 V) 3 Poles in Series, 60 Â°C 27 A (110 V) 3 Poles in Series, 70 Â°C 24 A (220 V) 2 Poles in Series, 40 Â°C 7 A (220 V) 2 Poles in Series, 60 Â°C 7 A (220 V) 2 Poles in Series, 70 Â°C 7 A (220 V) 3 Poles in Series, 40 Â°C 27 A (220 V) 3 Poles in Series, 60 Â°C 27 A (220 V) 3 Poles in Series, 70 Â°C 24 A (72 V) 1-Pole, 40 Â°C 27 A (72 V) 1-Pole, 60 Â°C 27 A (72 V) 1-Pole, 70 Â°C 24 A (72 V) 2 Poles in Series, 40 Â°C 27 A (72 V) 2 Poles in Series, 60 Â°C 27 A (72 V) 2 Poles in Series, 70 Â°C 24 A (72 V) 3 Poles in Series, 40 Â°C 27 A (72 V) 3 Poles in Series, 60 Â°C 27 A (72 V) 3 Poles in Series, 70 Â°C 24 A

Rated Operational Current DC-5 (Ie)

(110 V) 1-Pole, 40 Â°C 4 A (110 V) 1-Pole, 60 Â°C 4 A (110 V) 1-Pole, 70 Â°C 4 A (110 V) 2 Poles in Series, 40 Â°C 15 A (110 V) 2 Poles in Series, 60 Â°C 15 A (110 V) 2 Poles in Series, 70 Â°C 15 A (110 V) 3 Poles in Series, 40 Â°C 27 A (110 V) 3 Poles in Series, 60 Â°C 27 A (110 V) 3 Poles in Series, 70 Â°C 24 A (220 V) 2 Poles in Series, 40 Â°C 4 A (220 V) 2 Poles in Series, 60 Â°C 4 A (220 V) 2 Poles in Series, 70 Â°C 4 A (220 V) 3 Poles in Series, 40 Â°C 12 A (220 V) 3 Poles in Series, 60 Â°C 12 A (220 V) 3 Poles in Series, 70 Â°C 12 A (72 V) 1-Pole, 40 Â°C 12 A (72 V) 1-Pole, 60 Â°C 12 A (72 V) 1-Pole, 70 Â°C 12 A (72 V) 2 Poles in Series, 40 Â°C 27 A (72 V) 2 Poles in Series, 60 Â°C 27 A (72 V) 2 Poles in Series, 70 Â°C 24 A (72 V) 3 Poles in Series, 40 Â°C 27 A (72 V) 3 Poles in Series, 60 Â°C 27 A (72 V) 3 Poles in Series, 70 Â°C 24 A

Rated Operational Current DC-13 (Ie)

(24 V) 6 A / 144 W (48 V) 2.8 A / 134 W (72 V) 1 A / 72 W (110 V) 0.55 A / 60 W (125 V) 0.55 A / 69 W (220 V) 0.27 A / 60 W (250 V) 0.27 A / 68 W (400 V) 0.15 A / 60 W (500 V) 0.13 A / 65 W (600 V) 0.1 A / 60 W

Rated Insulation Voltage (Ui)

acc. to IEC 60947-4-1 690 V acc. to IEC 60947-5-1 690 V acc. to UL/CSA 600 V

Rated Impulse Withstand Voltage (Uimp)

6 kV

Maximum Mechanical Switching Frequency

3600 cycles per hour

Rated Control Circuit Voltage (Uc)

50 Hz 24 ... 60 V 60 Hz 24 ... 60 V DC Operation 20 ... 60 V

Operate Time

Between Coil De-energization and NC Contact Closing 13 ... 98 ms Between Coil De-energization and NO Contact Opening 11 ... 95 ms Between Coil Energization and NC Contact Opening 38 ... 90 ms Between Coil Energization and NO Contact Closing 40 ... 95 ms

Mounting on DIN Rail

TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715

Mounting by Screws (not supplied)

2 x M4 screws placed diagonally

Degree of Protection

acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP10 acc. to IEC 60529, IEC 60947-1, EN 60529 Coil Terminals IP10 acc. to IEC 60529, IEC 60947-1, EN 60529 Main Terminals IP10

Terminal Type

Ring-Tongue Terminals

NEMA Size

Continuous Current Rating NEMA

18 A

Horsepower Rating NEMA

(115 V AC) Single Phase 1 Hp (200 V AC) Three Phase 3 Hp (230 V AC) Single Phase 2 Hp (230 V AC) Three Phase 3 Hp (460 V AC) Three Phase 5 Hp (575 V AC) Three Phase 5 Hp

Maximum Operating Voltage UL/CSA

Main Circuit 600 V

General Use Rating UL/CSA

(600 V AC) 28 A

Horsepower Rating UL/CSA

(120 V AC) Single Phase 1 hp (200 ... 208 V AC) Three Phase 3 hp (220 ... 240 V AC) Three Phase 3 hp (240 V AC) Single Phase 2 hp (440 ... 480 V AC) Three Phase 7-1/2 hp (550 ... 600 V AC) Three Phase 10 hp

Tightening Torque UL/CSA

Auxiliary Circuit 11 inÂ·lb Control Circuit 11 inÂ·lb Main Circuit 13 inÂ·lb

Ambient Air Temperature

Close to Contactor Fitted with Thermal O/L Relay -25 ... 60 Â°C Close to Contactor without Thermal O/L Relay -40 ... 70 Â°C Close to Contactor for Storage -60 ... +80 Â°C

Climatic Withstand

Category B according to IEC 60947-1 Annex Q

Maximum Operating Altitude Permissible

Without Derating 3000 m

Shock and Vibration Withstand acc. to IEC 61373

Category 1, Class B

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

1SBL156060R2110