AF12ZB-30-10K-21

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

The ABB AF12ZB-30-10RT-21 is a 3-pole contactor with built-in auxiliary contact, controlling motors up to 5.5 kW. It features a wide control voltage range (24-60 V 50/60 Hz and 20-60 V DC) and surge protection, making it ideal for various motor control applications.

Product ModelAF12ZB-30-10K-21

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Feature1. Wide Control Voltage Range \"Control motors efficiently with the AF12ZB-30-10RT-21, which supports a wide control voltage range of 24-60 V 50/60 Hz and 20-60 V DC.\"\",\"2. Built-in Auxiliary Contact \"Enhance your motor control with the built-in auxiliary contact, ensuring reliable and precise operation.\"\",\"3. Surge Protection \"Protect your motor control system with the AF12ZB-30-10RT-21's built-in surge protection, ensuring continuous operation even in unstable networks.\"\",\"4. Compact Design \"Benefit from the compact design of the AF12ZB-30-10RT-21, making it easy to integrate into your existing control panels.\"\",\"5. High Performance \"Control motors up to 5.5 kW with the AF12ZB-30-10RT-21, perfect for a variety of industrial applications requiring high performance and reliability.\"\n

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

92.3 mm

Product Net Weight

0.315 kg

Number of Main Contacts NO

Number of Main Contacts NC

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

Connecting Capacity Main Circuit

Flexible with Ferrule 1/2x 0.5 ... 4 mmÂ² Flexible with Insulated Ferrule 1x 0.5 ... 4 mmÂ² Flexible with Insulated Ferrule 2x 0.5 ... 2.5 mmÂ² Flexible 1/2x 0.5 ... 4 mmÂ² Rigid Solid 1/2x 1 ... 2.5 mmÂ² Rigid Stranded 1/2x 4 ... 6 mmÂ²

Connecting Capacity Auxiliary Circuit

Flexible with Ferrule 1/2x 0.5 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1/2x 0.5 ... 1.5 mmÂ² Flexible 1/2x 0.5 ... 2.5 mmÂ² Rigid Solid 1/2x 1 ... 2.5 mmÂ²

Connecting Capacity Control Circuit

Flexible with Ferrule 1/2x 0.5 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1/2x 0.5 ... 1.5 mmÂ² Flexible 1/2x 0.5 ... 2.5 mmÂ² Rigid Solid 1/2x 1 ... 2.5 mmÂ²

Wire Stripping Length

Auxiliary Circuit 10 mm Control Circuit 10 mm Main Circuit 10 mm

Degree of Protection

acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP20 acc. to IEC 60529, IEC 60947-1, EN 60529 Coil Terminals IP20 acc. to IEC 60529, IEC 60947-1, EN 60529 Main Terminals IP20

Terminal Type

Push-in Spring 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

Connecting Capacity Main Circuit UL/CSA

Rigid Solid 1/2x 18-14 AWG Rigid Stranded 1/2x 18-10 AWG

Connecting Capacity Auxiliary Circuit UL/CSA

Rigid Solid 1/2x 18-14 AWG

Connecting Capacity Control Circuit UL/CSA

Rigid Solid 1/2x 18-14 AWG

Ambient Air Temperature

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

Resistance to Vibrations

4g Closed Position & 2g Open position 5 ... 300 Hz

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

Manufacturer ID

1SBL156063R2110