ABB NFZ51/11-20: 12-20V DC operated, 8-pole contactor relay for DIN rail mounting, ensuring high reliability and efficiency in industrial applications.
Product ModelNFZ51/11-20
Material Number1SBH136001R2059
Product ID85738
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable OperationThe ABB NFZ51/11-20 contactor relay is built to provide reliable operation, ensuring consistent performance in demanding industrial environments.
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2. Efficient DesignWith its compact design, the NFZ51/11-20 is optimized for space-saving installations, making it perfect for modern control systems.
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3. DIN Rail MountingDesigned for easy DIN rail mounting, this contactor relay simplifies installation and reduces setup time, allowing you to get started quickly.
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4. Wide Voltage RangeOperating within the 12-20V DC voltage range, the NFZ51/11-20 offers flexibility in various industrial control systems where different voltage requirements are common.
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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
86 mm
Product Net Weight
0.34 kg
Number of Auxiliary Contacts NO
6
Number of Auxiliary Contacts NC
2
5. High Operating CurrentCapable of handling a maximum operating current of 3A, this contactor relay is suitable for a wide range of applications, from small to medium-sized industrial equipment.
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 Closed, Shock Direction: B2 15 g Open, Shock Direction: B1 5 g Shock Direction: A 30 g Shock Direction: B2 15 g Shock Direction: C1 25 g
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
1SBH136001R2059
ABB NFZ51/11-20 12-20V DC Contactor Relay - Reliable and Efficient | INDSLT
