ABB - Electrification Signature Partner Distributor
ABB - Electrification NF53E-12 - NF contactor relays are used for switching auxiliary and control circuits. NF contactor relays include an electronic coil interface accepting a wide control voltage Uc min. ... Uc max. Only four coils cover control voltages between 24...500 V 50/60 Hz or 20...500 V DC. NF contactor relays can manage large control voltage variations. One coil can be used for different control voltages used worldwide without any coil change. NF contactor relays have built-in surge protection and do not require additional surge suppressors. - Poles: 8-pole contactor relays with a non-removable front-mounted auxiliary contact block (mechanically-linked auxiliary contacts compliant with Annex L of IEC 60947-5-1 and including the "Mechanically Linked" symbol on the contactor relay side) - Control Circuit: AC or DC operated - Accessories: a wide range of Accessories is available.
ABB - Electrification

NF53E-12


Documents & Media
Specification Sheet

Contact for Pricing

Overview

The ABB NF53E-12 is an 8-pole contactor relay designed for reliable switching of auxiliary and control circuits in industrial automation. This block-type relay features a permanently fixed front-mounted auxiliary contact block with 4 normally open (NO) and 4 normally closed (NC) contacts. These contacts are mechanically linked, compliant with Annex L of IEC 60947-5-1, and bear the 'Mechanically Linked' symbol on the relay side for clear identification. The NF53E-12 utilizes an electronic coil interface that accepts a broad control voltage range. Specifically, the NF53EK-11 variant covers 24-60V AC (50/60 Hz) or 20-60V DC. The NF53EK-13 variant covers 100-250V AC (50/60 Hz) or 100-250V DC. The NF53EK-14 variant covers 250-500V AC (50/60 Hz) or 250-500V DC. This wide voltage acceptance means a single coil can be used for various control voltages globally, simplifying inventory and reducing the need for coil changes. The relay manages large control voltage variations effectively. Built-in surge protection is integrated into the NF53E-12, eliminating the need for external surge suppressors and simplifying panel design. The relay operates with reduced energy consumption. It is designed for AC or DC control circuits. Specifications: - SKU: NF53E-12 - Manufacturer: ABB - Electrification - Poles: 8-pole (4 NO + 4 NC) - Control Circuit Voltage: - NF53EK-11: 24-60V AC (50/60 Hz) / 20-60V DC - NF53EK-13: 100-250V AC (50/60 Hz) / 100-250V DC - NF53EK-14: 250-500V AC (50/60 Hz) / 250-500V DC - Auxiliary Contacts: 4 NO, 4 NC (mechanically linked) - Compliance: IEC 60947-5-1 Annex L - Built-in Surge Protection: Yes - Mounting: 35mm DIN rail (EN/IEC 60715), M4 screw mounting holes - Weight (pkg 1 pce): 0.330 kg (NF53EK-11, NF53EK-13), 0.370 kg (NF53EK-14) Typical applications include motor control, lighting control, HVAC systems, and general industrial automation where dependable auxiliary switching is essential. A wide range of accessories is available for expanded functionality.
  • 8-pole contactor relay with 4 NO and 4 NC auxiliary contacts.
  • Mechanically linked auxiliary contacts compliant with IEC 60947-5-1 Annex L.
  • Wide control voltage range: 24-60V, 100-250V, or 250-500V AC (50/60 Hz) or DC.
  • Integrated electronic coil interface for simplified global voltage compatibility.
  • Built-in surge protection eliminates the need for external suppressors.

Specifications

Application
Mainly used for controlling 3-phase motors and generally for controlling power circuits up to 690 V AC and 220 V DC. The contactors can also be used for many other applications such as bypass, capacitor switching, lighting, DC power circuits.
Connection Type
M4 screw terminals
Frequency
50/60 Hz
Mounting Type
35mm DIN Rail
Poles
8
Rated Control Circuit Voltage
50 Hz /60 Hz DC Operation 48 ... 130 V
Series
NF
Size
82x110x108mm
Size
53mm W
Special Features
NF contactor relays are used for switching auxiliary and control circuits. NF contactor relays include an electronic coil interface accepting a wide control voltage Uc min. ... Uc max. Only four coils cover control voltages between 24...500 V 50/60 Hz or 20...500 V DC. NF contactor relays can manage large control voltage variations. One coil can be used for different control voltages used worldwide without any coil change. NF contactor relays have built-in surge protection and do not require additional surge suppressors. - Poles: 8-pole contactor relays with a non-removable front-mounted auxiliary contact block (mechanically-linked auxiliary contacts compliant with Annex L of IEC 60947-5-1 and including the "Mechanically Linked" symbol on the contactor relay side) - Control Circuit: AC or DC operated - Accessories: a wide range of Accessories is available.
Standard
RoHs, CSA, cUL, CE, GOST
Terminal Type
Screw Terminals
Type
Contactors
Voltage Rating
24-500 V AC/DC
Package Dimensions (L x W x H)
4.449 IN x 3.425 IN x 1.85 IN
Package Dimensions (L x W x H)
11.3005 cm x 8.6995 cm x 4.699 cm
Package Weight (Imperial)
0.760 L
Package Weight (Metric)
0.345 kg
GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)

1270040900

GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)
MT-63 34A 3D SCREW EXP (MT63-3D-34-S-E)

1311001000

MT-63 34A 3D SCREW EXP (MT63-3D-34-S-E)
One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

LCMA6-8-C

One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.
Ground Lug

DNGL

Ground Lug
CONTACT BLOCK BU BLB-02

BLB-02

CONTACT BLOCK BU BLB-02
CONTACT BLOCK BU BFB-20

BFB-20

CONTACT BLOCK BU BFB-20

Frequently Asked Questions

What is the control circuit voltage range for the NF53E-12?

The control circuit accepts a wide control voltage range from 20-264V AC or DC. One coil can be used for different control voltages worldwide without coil change.

Does the NF53E-12 require external surge protection?

No, the NF53E-12 contactor relays have built-in surge protection and do not require additional surge suppressors.

What are the operating temperature limits for the NF53E-12?

For storage, the ambient air temperature should be close to the contactor, ranging from -40 to 70°C. For operation in free air, the range is -40 to 60°C.

What is the rated operational voltage for the main circuit?

The rated operational voltage for the main circuit is 690V.

How many auxiliary contacts does the NF53E-12 have?

The NF53E-12 has 10 auxiliary contacts, with 10 normally open (NO) and 0 normally closed (NC).

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