ABB NF53EK-12 DC Contactor: 6 amps, 8 poles, 50/60 Hz. Reliable and efficient for various applications. Push-in spring terminals for easy installation. Ideal for DC power systems.
Product ModelNF53EK-12
Material Number1SBH137005R1253
Product ID85112
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliability and EfficiencyThe ABB NF53EK-12 DC Contactor is built for reliability and efficiency, ensuring consistent performance in your DC power systems.
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2. Versatile CompatibilityCompatible with both 50 Hz and 60 Hz frequencies, this contactor can be used in a wide range of applications.
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3. Easy InstallationFeaturing push-in spring terminals, the NF53EK-12 makes installation quick and straightforward, reducing downtime and increasing productivity.
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4. High Current HandlingWith a rating of 6 amps, this contactor is capable of handling high current requirements, making it suitable for demanding applications.
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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
0.33 kg
Number of Auxiliary Contacts NO
5
Number of Auxiliary Contacts NC
3
5. Durable DesignConstructed with durable materials, the NF53EK-12 is designed to withstand the rigors of continuous use, ensuring a long lifespan and minimal maintenance needs.
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
