Product Model

NFZB22EK-21

In Stock
Last updated: 2025/4/19
ABB NFZB22EK-21

Selling Points

  • 1Operates within 24-60V DC, ensuring compatibility with multiple DC systems.
  • 2Built with robust components to withstand extreme conditions, including shocks and vibrations.
  • 3Minimizes installation space while maintaining high performance, ideal for space-constrained applications.
  • 4Features Push-in Spring terminals for quick and secure cable connections, reducing installation time.
  • 5Meets IEC 60947-4-1, IEC 60077-1/2, and EN 50155 standards, ensuring compliance with rolling stock requirements.
Product Details
NFZB22EK-21
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Product Net Width
45 mm
Product Net Depth / Length
110.5 mm
Product Net Height
92.3 mm
Product Net Weight
0.315 kg
Number of Auxiliary Contacts NO
2
Number of Auxiliary Contacts NC
2
Standards
IEC/EN 60947-1, IEC/EN 60947-5-1, UL 60947-5-1, CSA C22.2 No. 60947-5-1, 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 60947-5-1, Θ = 40 °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 0.5 ... 2.5 mm² Flexible with Insulated Ferrule 1/2x 0.5 ... 1.5 mm² Flexible 1/2x 0.5 ... 2.5 mm² Rigid Solid 1/2x 1 ... 2.5 mm²
Connecting Capacity Control Circuit
Flexible with Ferrule 1/2x 0.5 ... 2.5 mm² Flexible with Insulated Ferrule 1/2x 0.5 ... 1.5 mm² Flexible 1/2x 0.5 ... 2.5 mm² Rigid Solid 1/2x 1 ... 2.5 mm²
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
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
39121500
Manufacturer ID
1SBH136063R2122

Specifications may be subject to change without notice