AF12ZB-30-10-21

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

The ABB AF12ZB-30-10-21 is a compact, 3-pole contactor with screw terminals, ideal for controlling 3-phase motors and power circuits in industrial settings. It offers a wide control voltage range and meets stringent railway standards.

Product ModelAF12ZB-30-10-21

Material Number

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Compact DesignThe AF12ZB-30-10-21 contactor is designed to be compact, reducing the width of installations by up to 15% without spacing, making it ideal for space-constrained environments.
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2. Wide Control Voltage RangeThis contactor operates within a wide control voltage range of 24-60 V 50/60 Hz and 20-60 V DC, ensuring it can handle large control voltage variations and reducing panel energy consumption.
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3. Railway ComplianceThe AF12ZB-30-10-21 complies with the latest railway rolling stock standards, including IEC 60947-4-1, IEC 60947-5-1, IEC 60077-1/-2, and EN 50155, making it suitable for use in passenger or driver cabins of trains operating in tunnels or undergrounds.
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4. Surge ProtectionThe contactor features built-in surge protection, providing a compact solution that ensures reliable operation even in unstable networks.

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

0.31 kg

Number of Main Contacts NO

Number of Main Contacts NC

5. Accessory CompatibilityThe AF12ZB-30-10-21 can be easily extended with add-on auxiliary contact blocks and a wide range of accessories, offering flexibility in system design and integration.

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 0.75 ... 6 mmÂ² Flexible with Insulated Ferrule 1x 0.75 ... 4 mmÂ² Flexible with Insulated Ferrule 2x 0.75 ... 2.5 mmÂ² Rigid Solid 1/2x 1 ... 4 mmÂ² Rigid Stranded 1/2x 1 ... 6 mmÂ²

Connecting Capacity Auxiliary Circuit

Rigid Solid 1/2x 1 ... 2.5 mmÂ² Rigid Stranded 1/2x 1 ... 2.5 mmÂ²

Connecting Capacity Control Circuit

Flexible with Ferrule 1/2x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 2x 0.75 ... 1.5 mmÂ² Rigid Solid 1/2x 1 ... 2.5 mmÂ² Rigid Stranded 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

Screw 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 16-10 AWG Rigid Stranded 1/2x 16-10 AWG

Connecting Capacity Auxiliary Circuit UL/CSA

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

Connecting Capacity Control Circuit UL/CSA

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

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

1SBL156061R2110