Contact for Pricing
Overview
- 8-pole design with 4 auxiliary contacts (mechanically linked per IEC 60947-5-1 Annex L)
- Wide control voltage range: 24-250V AC (50/60Hz) or 12-250V DC
- Direct PLC control ≥24V DC at 500mA with reduced holding coil consumption
- Built-in surge protection and SEMI F47-0706 compliance for voltage dips
- DIN rail mount (35mm per EN/IEC 60715) with compact footprint
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 |
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) | 0.840 L |
Package Weight (Metric) | 0.381 kg |
Frequently Asked Questions
What control voltages does the NFZ44E-21 support?
The NFZ44E-21 supports control voltages from 24 to 250V AC (50/60Hz) or 12 to 250V DC.
How many auxiliary contacts does the NFZ44E-21 have?
The NFZ44E-21 has 4 auxiliary contacts, mechanically linked per IEC 60947-5-1 Annex L.
Is the NFZ44E-21 compatible with PLC outputs?
Yes, the NFZ44E-21 can be directly controlled by PLC outputs ≥24V DC at 500mA.
Does the NFZ44E-21 require external surge protection?
No, the NFZ44E-21 includes built-in surge protection and does not require additional surge suppressors.
What mounting standard does the NFZ44E-21 use?
The NFZ44E-21 is designed for DIN rail mounting (35mm per EN/IEC 60715).
Does the NFZ44E-21 comply with SEMI F47-0706?
Yes, the NFZ44E-21 withstands short voltage dips and sags per SEMI F47-0706 standards.
How to Install the ABB NFZ44E-21 Contactor Relay
Step-by-step guide to mounting and wiring the NFZ44E-21 relay on a DIN rail.
Estimated time: 15m
Tools needed:
Screwdriver, Wire strippers, Multimeter
Supplies needed:
DIN rail, Mounting screws, Control wiring
- Mount the relay to the DIN rail
Position the NFZ44E-21 on the 35mm DIN rail (EN/IEC 60715) and snap it into place until it clicks securely.
- Connect the control circuit
Wire the control voltage (24-250V AC/DC) to the coil terminals, ensuring polarity is correct for DC operation.
- Connect the auxiliary contacts
Wire the auxiliary contacts according to your control circuit requirements, verifying mechanical linkage per IEC 60947-5-1 Annex L.
- Verify operation
Apply control voltage and use a multimeter to confirm proper switching of auxiliary contacts before full system integration.
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