ABB NFZ44EK-22: A robust low voltage contactor relay with 4NO-4NC contacts, designed for reliable and efficient operation in industrial and commercial settings.
Product ModelNFZ44EK-22
Material Number1SBH136005R2244
Product ID87586
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable OperationThe ABB NFZ44EK-22 contactor relay is designed to provide consistent and reliable operation, ensuring your electrical control systems run smoothly.
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2. Versatile ApplicationsThis contactor relay is suitable for a wide range of industrial and commercial applications, making it a versatile solution for various electrical needs.
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3. Robust DesignFeaturing 4NO-4NC contacts, the NFZ44EK-22 is built to withstand the demands of heavy-duty use, providing long-lasting performance.
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4. Efficient OperationWith its advanced design, this contactor relay ensures efficient operation, reducing energy consumption and improving overall system performance.
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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
110.5 mm
Product Net Height
92.3 mm
Product Net Weight
0.36 kg
Number of Auxiliary Contacts NO
4
Number of Auxiliary Contacts NC
4
5. Industrial-Grade QualityManufactured by ABB, a leading brand in electrical control systems, the NFZ44EK-22 meets the highest standards of quality and reliability, making it a trusted choice for professionals.
Standards
IEC/EN 60947-1, IEC/EN 60947-5-1, UL 508, CSA C22.2 No. 14-13
(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 48 ... 130 V 60 Hz 48 ... 130 V DC Operation 48 ... 130 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
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
Push-in Spring Terminals
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 for Storage -60 ... +80 °C Near Contactor for Operation in Free Air -40 ... 70 °C Near Contactor for Operation in Free Air (0.85 ... 1.1 Uc) -40 ... +60 °C Near Contactor for Operation in Free Air (Uc) -40 ... 70 °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
Object Classification Code
K
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)
3708011
Manufacturer ID
1SBH136005R2244
ABB NFZ44EK-22 Low Voltage Contactor Relay | INDSLT
