Efficiently switch auxiliary and control circuits with the ABB NFZ31E-20, a 12-20VDC contactor relay featuring electronic coil interface and screw terminals.
Product ModelNFZ31E-20
Material Number1SBH136001R2031
Product ID87382
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Efficient Circuit SwitchingThe NFZ31E-20 is designed to efficiently switch auxiliary and control circuits, making it ideal for various industrial applications.
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2. Electronic Coil InterfaceThe relay includes an electronic coil interface that accepts a wide range of control signals, ensuring flexibility and reliability in operation.
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3. DC OperationSuitable for DC operation within the 12-20VDC range, this contactor relay is versatile and can be used in a variety of DC-powered systems.
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4. Screw TerminalsEquipped with screw terminals, the NFZ31E-20 provides easy and secure connections, reducing the risk of loose connections and ensuring stable 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
77 mm
Product Net Height
86 mm
Product Net Weight
0.31 kg
Number of Auxiliary Contacts NO
3
Number of Auxiliary Contacts NC
1
5. Reliable PerformanceBuilt with high-quality components, the NFZ31E-20 offers reliable performance and durability, making it a trusted choice for industrial applications.
Standards
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
Conventional Free-air Thermal Current (Ith)
acc. to IEC 60947-5-1, Π= 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)
DC Operation 12 ... 20 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
Auxiliary Circuit 11 in·lb Control Circuit 11 in·lb
Ambient Air Temperature
Close to Contactor for Storage -60 ... +80 °C Near Contactor for Operation in Free Air -40 ... 70 °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
