NFZ53E-21

Name: NFZ53E-21
Brand: ABB
SKU: NFZ53E-21

The ABB NFZ53E-21 contactor relay is designed for switching auxiliary and control circuits. It features an electronic coil interface, reduced pull-in and holding consumption, and built-in surge protection. Suitable for global applications, it operates on 100-250 V 50/60 Hz or 12-250 V DC.

Product ModelNFZ53E-21

Material Number1SBH136001R2153

Product ID86113

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Efficient OperationThe NFZ53E-21 contactor relay includes an electronic coil interface that reduces pull-in and holding consumption, making it highly efficient for AC control circuits.
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2. Wide Control Voltage RangeOnly four coils are needed to cover control voltages between 24-500 V 50/60 Hz or 20-500 V DC, making it suitable for various global applications.
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3. Built-in Surge ProtectionThe relay has built-in surge protection, eliminating the need for additional surge suppressors and ensuring reliable operation in diverse environments.
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4. Global CompatibilityThe NFZ53E-21 is designed to operate in different control voltage environments, including Europe (230 V 50 Hz) and North America (120 V 60 Hz and 208 V 60 Hz).

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

110.5 mm

Product Net Height

86 mm

Product Net Weight

0.36 kg

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

5. High DurabilityWith a maximum switching frequency of 6000 cycles per hour and a mechanical durability of 20 million operating cycles, the NFZ53E-21 contactor relay is built to last, ensuring long-term reliability in demanding applications.

IEC/EN 60947-1, IEC/EN 60947-5-1, UL 508, CSA C22.2 No. 14-13

Rated Operational Voltage

Auxiliary Circuit 690 V

Rated Frequency (f)

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

Conventional Free-air Thermal Current (Ith)

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

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)

for 0.1 s 140 A for 1 s 100 A

Maximum Electrical Switching Frequency

(AC-15) 1200 cycles per hour (DC-13) 900 cycles per hour

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

Rated Impulse Withstand Voltage (Uimp)

6 kV

Maximum Mechanical Switching Frequency

6000 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 Auxiliary 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

Connecting Capacity Control Circuit

Wire Stripping Length

Auxiliary Circuit 10 mm Control 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

Terminal Type

Screw Terminals

Connecting Capacity Auxiliary 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

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

Resistance to Shock acc. to IEC 60068-2-27

Closed, Shock Direction: B1 25 g Open, Shock Direction: B1 5 g Shock Direction: A 30 g Shock Direction: B2 15 g Shock Direction: C1 25 g Shock Direction: C2 25 g

Resistance to Vibrations

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

Object Classification Code

ETIM 7

EC000196 - Contactor relay

ETIM 8

EC000196 - Contactor relay

ETIM 9

EC000196 - Contactor relay

eClass

V11.0 : 27371001

UNSPSC

39121529

IDEA Granular Category Code (IGCC)

4763 >> Power contactor, DC switching

E-Number (Finland)

3706432

Manufacturer ID

1SBH136001R2153