ABB - Electrification Signature Partner Distributor
ABB - Electrification NFZ53E-21 - NFZ contactor relays are used for switching auxiliary and control circuits. NFZ contactor relays include an electronic coil interface accepting a wide control voltage Uc min. ... Uc max. Only four coils cover control voltages between 24...250 V 50/60 Hz or 12...250 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 NFZ contactor relays allow direct control by PLC-output ≥ 24 V DC 500 mA and obtain a reduced holding coil consumption. NFZ contactor relays withstand short voltage dips and voltage sags (SEMI F47-0706 compliance) between 24...250 V 50/60 Hz NFZ 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

NFZ53E-21


Documents & Media
Specification Sheet

Contact for Pricing

Overview

The ABB NFZ53E-21 is an 8-pole contactor relay designed for reliable switching of auxiliary and control circuits in industrial automation. This ABB Electrification product features a non-removable front-mounted auxiliary contact block with mechanically-linked auxiliary contacts, compliant with Annex L of IEC 60947-5-1 and marked with the "Mechanically Linked" symbol. The NFZ series offers a versatile electronic coil interface that accepts a broad control voltage range, with just four coils covering Uc from 24 to 250 V 50/60 Hz or 12 to 250 V DC. This wide voltage tolerance simplifies global deployment and reduces inventory needs, as a single coil can accommodate various control voltages without replacement. Direct control by PLC outputs with ≥ 24 V DC and 500 mA is supported, leading to reduced holding coil consumption. Furthermore, these contactor relays are designed to withstand short voltage dips and sags, meeting SEMI F47-0706 compliance for voltages between 24 to 250 V 50/60 Hz. Built-in surge protection eliminates the need for external surge suppressors. Control circuits can be AC or DC operated. A comprehensive range of accessories is available to enhance functionality and integration. Specific models within the NFZ series, such as the AF305-40-11-12, operate within a 48-130 V Uc range and include 1+1 auxiliary contacts. Other variants like AF305-30-00-12 offer 0+0 auxiliary contacts within the same voltage range. For higher voltage requirements, models like AF305-40-11-13 cover 100-250 V Uc, and AF305-40-11-14 extend this to 250-500 V Uc. The AF09Z-22-00K-22, rated at 25 A general use (600 V AC) and 25 A operational current at 40°C, also operates within a 48-130 V Uc range and features 2+2 auxiliary contacts. These relays are manufactured in the US.
  • 8-pole contactor relay for auxiliary and control circuits
  • Electronic coil interface with wide control voltage range (24-250V AC/DC)
  • SEMI F47-0706 compliant for voltage dip and sag resistance
  • Built-in surge protection, no external suppressor needed
  • Mechanically-linked auxiliary contacts compliant with IEC 60947-5-1
  • Built-in surge protection, eliminating need for external suppressors
  • AC or DC operated control circuits
  • Manufactured in the US

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.
Frequency
50/60 Hz
Poles
8
Rated Control Circuit Voltage
50 Hz /60 Hz 24 ... 60 V / DC Operation 20 ... 60 V
Series
NFZ
Size
82x110x108mm
Special Features
NFZ contactor relays are used for switching auxiliary and control circuits. NFZ contactor relays include an electronic coil interface accepting a wide control voltage Uc min. ... Uc max. Only four coils cover control voltages between 24...250 V 50/60 Hz or 12...250 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 NFZ contactor relays allow direct control by PLC-output ? 24 V DC 500 mA and obtain a reduced holding coil consumption. NFZ contactor relays withstand short voltage dips and voltage sags (SEMI F47-0706 compliance) between 24...250 V 50/60 Hz NFZ 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...250 V 50/60 Hz or 12...250 V DC
Voltage Rating
24-250 V 50/60 Hz or 12-250 V 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)
0.850 L
Package Weight (Metric)
0.386 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)
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
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.

Frequently Asked Questions

What is the control voltage range for ABB NFZ contactor relays?

ABB NFZ contactor relays accept a wide control voltage range, with four coils covering 24...250 V 50/60 Hz or 12...250 V DC.

Are ABB NFZ contactor relays SEMI F47-0706 compliant?

Yes, ABB NFZ contactor relays withstand short voltage dips and voltage sags, complying with SEMI F47-0706 between 24...250 V 50/60 Hz.

Do ABB NFZ contactor relays require external surge suppressors?

No, ABB NFZ contactor relays have built-in surge protection and do not require additional surge suppressors.

Can ABB NFZ contactor relays be directly controlled by a PLC?

Yes, ABB NFZ contactor relays allow direct control by PLC-output ≥ 24 V DC 500 mA.

What type of auxiliary contacts do the NFZ contactor relays feature?

The NFZ contactor relays feature non-removable front-mounted auxiliary contact blocks with mechanically-linked auxiliary contacts compliant with Annex L of IEC 60947-5-1.

What is the rated control circuit voltage for the AF305-40-11-12?

The AF305-40-11-12 has a rated control circuit voltage Uc min. ... Uc max. of 48...130 V.

How many auxiliary contacts are fitted on the AF305-40-11-12?

The AF305-40-11-12 is fitted with 1+1 auxiliary contacts.

What is the general use rating for the AF09Z-22-00K-22?

The AF09Z-22-00K-22 has a general use rating of 25 A at 600 V AC.

Frequently Asked Questions about ABB - Electrification

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