Eaton, ZB Overload Relay 1 NO/1 NC, 2.4A, 4 A F.L.C, 4A Contact Rating, 6 W, 500V ac

RS Stock No.:: 493-0450
Mfr. Part No.:: 278449 ZB32-4
Manufacturer:: Eaton

Eaton, ZB Overload Relay 1 NO/1 NC, 2.4A, 4 A F.L.C, 4A Contact Rating, 6 W, 500V ac

Bulk discount available

Subtotal (1 unit)*

PHP6,201.07

(exc. VAT)

PHP6,945.20

(inc. VAT)

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In Stock

29 unit(s) ready to ship from another location
Plus 20 unit(s) shipping from April 28, 2026

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Units	Per Unit
1 - 4	PHP6,201.07
5 +	PHP6,015.03

*price indicative

RS Stock No.:: 493-0450
Mfr. Part No.:: 278449 ZB32-4
Manufacturer:: Eaton

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Eaton
	Product Type	Overload Relay
	FLC Motor Rating	2.4, 4A
	Relay Contact Current	4A
	Series	ZB
	Mount Type	Direct
	Power Rating	6W
	Terminal Type	Screw
	Normal State Configuration	1 NO/1 NC
	Reset Method	Automatic & Manual
	IP Rating	IP20
	Number of Auxiliary Contacts	2
	Minimum Operating Temperature	-25°C
	Adjustable Current Range	2.4 to 4 A
	Width	45mm
	Maximum Operating Temperature	55°C
	Contact Voltage	690V ac
	Length	96mm
	Depth	96mm
	Standards/Approvals	IEC/EN 60947, CSA File No.:012528, CSA Class No.:3211-03, CSA-C22.2 No. 60947-4-1-14, CSA Approved, CE Approved, VDE 0660, UL File No.:E29184, UL Category Control No.:NKCR, UL Approved, UL 508, IEC/EN 60947-4-1
	Control Voltage	500V ac

	Select all
	Brand Eaton
	Product Type Overload Relay
	FLC Motor Rating 2.4, 4A
	Relay Contact Current 4A
	Series ZB
	Mount Type Direct
	Power Rating 6W
	Terminal Type Screw
	Normal State Configuration 1 NO/1 NC
	Reset Method Automatic & Manual
	IP Rating IP20
	Number of Auxiliary Contacts 2
	Minimum Operating Temperature -25°C
	Adjustable Current Range 2.4 to 4 A
	Width 45mm
	Maximum Operating Temperature 55°C
	Contact Voltage 690V ac
	Length 96mm
	Depth 96mm
	Standards/Approvals IEC/EN 60947, CSA File No.:012528, CSA Class No.:3211-03, CSA-C22.2 No. 60947-4-1-14, CSA Approved, CE Approved, VDE 0660, UL File No.:E29184, UL Category Control No.:NKCR, UL Approved, UL 508, IEC/EN 60947-4-1
	Control Voltage 500V ac

Eaton Series ZB Overload Relay, 2.4 to 4A FLC Motor Rating, 4A Contact Current Rating - 278449 ZB32-4

This overload relay is an essential component designed for thermal protection in various industrial applications. It offers a versatile motor rating range of 2.4 to 4 A and features a compact design with dimensions of 96mm in length and 45mm in width. The robust construction meets industry standards, ensuring reliability in demanding environments.

Features & Benefits

• Supports automatic and manual reset functions for convenience

• Features a direct mounting style for easy installation

• Offers 1NO and 1NC relay configuration for versatile control

• Operating temperature range from -25°C to +55°C ensures adaptability

• Screw terminal design for secure connections with various cable sizes

Applications

• Used for protecting motors in heating and cooling systems

• Ideal for control circuits in industrial automation tasks

• Utilised in machinery where overload protection is paramount

• Effective for branch circuits requiring robust overload solutions

What current settings can be adjusted on this device?

The overload relay allows for adjustable current settings ranging from 2.4A to 4A, catering to various motor requirements.

How does the phase-failure sensitivity enhance functionality?

Phase-failure sensitivity ensures that the relay automatically disconnects the motor during phase loss, preventing damage and enhancing safety.

What is the significance of the IP20 rating in this product?

The IP20 rating indicates protection against solid objects larger than 12.5mm, making it suitable for indoor environments where the risks of contact with electricity are minimal.

Note

Eaton formerly known as Moeller