AF38ZB-40-00RT-21

Name: AF38ZB-40-00RT-21
Brand: ABB
SKU: AF38ZB-40-00RT-21

Versatile 4-pole contactor with wide control voltage range (24-60 V AC and 20-60 V DC), suitable for controlling motors up to 11 kW at 400 V AC and switching power circuits with built-in surge protection.

Product ModelAF38ZB-40-00RT-21

Material Number1SBL296260R2100

Product ID74477

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Wide Control Voltage RangeThe ABB AF38ZB-40-00RT-21 operates efficiently with a wide control voltage range of 24-60 V AC and 20-60 V DC, making it adaptable to various industrial control systems.
2
2. High Power HandlingThis contactor is designed to control motors up to 11 kW at 400 V AC, ensuring reliable operation in demanding applications.
3
3. Built-in Surge ProtectionEquipped with built-in surge protection, the AF38ZB-40-00RT-21 provides a compact and reliable solution for power circuit switching, reducing the risk of electrical surges.
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4. Compact DesignFeaturing a block type design, the contactor is easy to integrate into existing control panels and can be extended with add-on auxiliary contact blocks for enhanced functionality.

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

101 mm

Product Net Height

86 mm

Product Net Weight

0.39 kg

Number of Main Contacts NO

Number of Main Contacts NC

5. Versatile CompatibilityCompatible with both IEC and UL standards, the AF38ZB-40-00RT-21 is suitable for a wide range of industrial applications, including those requiring 690 V IEC or 600 UL ratings.

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

Main Circuit 690 V

Rated Frequency (f)

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 55 A

Rated Operational Current AC-1 (Ie)

(1000 V) 60 Â°C 45 A (690 V) 40 Â°C 55 A (690 V) 70 Â°C 37 A

Rated Operational Current AC-3 (Ie)

(415 V) 60 Â°C 21.2 A (440 V) 60 Â°C 20 A (500 V) 60 Â°C 17.6 A (690 V) 60 Â°C 10.5 A (380 / 400 V) 60 Â°C 22 A (220 / 230 / 240 V) 60 Â°C 23.2 A

Rated Operational Power AC-3 (Pe)

(400 V) 11 kW (415 V) 11 kW (440 V) 11 kW (500 V) 11 kW (690 V) 9 kW (220 / 230 / 240 V) 5.5 kW

Rated Short-time Withstand Current Low Voltage (Icw)

at 40 Â°C Ambient Temp, in Free Air, from a Cold State 10 s 300 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 15 min 55 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 1 min 150 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 1 s 450 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 30 s 225 A

Rated Operational Current DC-1 (Ie)

(110 V) 2 Poles in Series, 40 Â°C 55 A (110 V) 2 Poles in Series, 60 Â°C 45 A (110 V) 2 Poles in Series, 70 Â°C 37 A (110 V) 3 Poles in Series, 40 Â°C 55 A (110 V) 3 Poles in Series, 60 Â°C 45 A (110 V) 3 Poles in Series, 70 Â°C 37 A (110 V) 4 Poles in Series, 40 Â°C 55 A (110 V) 4 Poles in Series, 60 Â°C 45 A (110 V) 4 Poles in Series, 70 Â°C 37 A (220 V) 3 Poles in Series, 40 Â°C 55 A (220 V) 3 Poles in Series, 60 Â°C 45 A (220 V) 3 Poles in Series, 70 Â°C 37 A (220 V) 4 Poles in Series, 40 Â°C 55 A (220 V) 4 Poles in Series, 60 Â°C 45 A (220 V) 4 Poles in Series, 70 Â°C 37 A (72 V) 1-Pole, 40 Â°C 55 A (72 V) 1-Pole, 60 Â°C 45 A (72 V) 1-Pole, 70 Â°C 37 A (72 V) 2 Poles in Series, 40 Â°C 55 A (72 V) 2 Poles in Series, 60 Â°C 45 A (72 V) 2 Poles in Series, 70 Â°C 37 A (72 V) 3 Poles in Series, 40 Â°C 55 A (72 V) 3 Poles in Series, 60 Â°C 45 A (72 V) 3 Poles in Series, 70 Â°C 37 A (72 V) 4 Poles in Series, 40 Â°C 55 A (72 V) 4 Poles in Series, 60 Â°C 45 A (72 V) 4 Poles in Series, 70 Â°C 37 A

Rated Insulation Voltage (Ui)

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

Rated Impulse Withstand Voltage (Uimp)

6 kV

Rated Control Circuit Voltage (Uc)

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

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

Terminal Type

Ring-Tongue Terminals

Maximum Operating Voltage UL/CSA

Main Circuit 600 V

General Use Rating UL/CSA

(600 V AC) 55 A

Tightening Torque UL/CSA

Control Circuit 11 inÂ·lb Main Circuit 22 inÂ·lb

Ambient Air Temperature

Close to Contactor for Storage -60 ... +80 Â°C Near Contactor for Operation in Free Air -40 ... 70 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

1SBL296260R2100