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Eaton ZB Thermal Overload Relay 1 NO/1 NC 1.6 to 2.4 A F.L.C, 6 W Power Rating, IP20, 500V AC Control Voltage 278448 ZB32-2,4

Name: Eaton ZB Thermal Overload Relay 1 NO/1 NC 1.6 to 2.4 A F.L.C, 6 W Power Rating, IP20, 500V AC Control Voltage 278448 ZB32-2,4
Brand: Eaton
SKU: 335818
Price: 100.43 USD
Availability: InStock

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Category Overload Relay Brand Eaton Condition New

Specifications

Country of Origin	India
Brand	Eaton
Length	136mm
Model	278448 ZB32-2,4
Depth	102mm
IP Rating	IP20
Width	45mm
Mount Type	Direct
Series	ZB
Power Rating	6W
Maximum Operating Temperature	55°C
Minimum Operating Temperature	-5°C
Terminal type	Screw
Contact Voltage	690V ac
Reset Method	Automatic & Manual
Normal State Configuration	1 NO/1 NC
Relay Contact Current	2.4A
Number of Auxiliary Contacts	2
Control Voltage	500V ac
FLC Motor Rating	1.6, 2.4A
Adjustable Current Range	1.6 → 2.4 A

Key Features

Protects motors against phase failure and electrical overload.
Features 1 normally open and 1 normally closed auxiliary contact.
Automatic and manual reset options available for flexibility.
Compact size with 45mm width and IP20 rating for safe operation.
Operational temperature range from -5°C to 55°C ensuring durability.
Suitable for use with DILM contactor range and Atex motors protection.
Contact voltage rated up to 690V AC for versatile applications.

Product Description

Eaton 278448 ZB32-2,4 thermal overload relay is designed for reliable protection and control of electric motors in various industrial environments. It provides effective safeguarding against single-phase failure and overcurrent conditions by interrupting motor power during fault conditions.

This ZB series overload relay offers 1 normally open (NO) and 1 normally closed (NC) auxiliary contact configuration, enabling fault signalling and contactor disconnection. The device includes bimetallic tripping with a response time of 2 to 10 seconds and an adjustable current range from 1.6 to 2.4 A to suit specific motor ratings.

Constructed for both manual and automatic reset, it allows flexible user operation. The compact design, measuring 45 mm in width, 136 mm in length, and 102 mm in depth, features screw terminal connections and an IP20 ingress protection rating ensuring safe electrical performance.

Operating temperature range extends from -5°C to 55°C, making it suitable for diverse industrial applications including electrical automation, manufacturing, water treatment, and HVAC control systems. The relay meets multiple certifications and approvals, including CE, CSA, IEC/EN 60947, UL, and VDE standards, guaranteeing safety and compliance.

The 6 W power rating and control voltage of 500 V AC make this relay a dependable choice for protecting electric motors and enhancing their longevity. Eaton’s ZB thermal overload relay series is effective for use with EEx e motors and provides a modular solution for motor protection requiring direct mounting to contactors.

Protects motors from overheating and phase failure. Equipped with 2 auxiliary contacts for fault detection. Bimetallic tripping mechanism ensures fast fault response. Compact and modular design fits DILM contactor range.

Manual and automatic reset options available for operational flexibility. Certified to international electrical safety standards for industrial use. Suitable for a wide temperature range and industrial environments.

Set contains Eaton ZB thermal overload relay with 1 NO/1 NC contacts, suitable for direct mounting with Eaton contactors. Ideal for industrial machinery motor protection, automation control systems, and manufacturing processes.

Explore more high-quality Overload Relays and contactor accessories in the Electronics & Electricals category on EnvMart to enhance motor protection and control solutions.