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

RS Stock No.:: 493-0466
Mfr. Part No.:: 278450 ZB32-6
Manufacturer:: Eaton

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

Subtotal (1 unit)*

€77.23

(exc. VAT)

€94.99

(inc. VAT)

In Stock

Plus 2 unit(s) shipping from 16 November 2026
Plus 10 unit(s) shipping from 19 January 2027

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Units	Per unit
1 +	€77.23

*price indicative

RS Stock No.:: 493-0466
Mfr. Part No.:: 278450 ZB32-6
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	4A, 6A
	Relay Contact Current	6A
	Series	ZB
	Mount Type	Direct
	Power Rating	6W
	Normal State Configuration	1 NO/1 NC
	Terminal Type	Screw
	Reset Method	Automatic & Manual
	IP Rating	IP20
	Width	45mm
	Adjustable Current Range	4 → 6 A
	Number of Auxiliary Contacts	2
	Minimum Operating Temperature	-25°C
	Length	96mm
	Maximum Operating Temperature	55°C
	Contact Voltage	690V ac
	Depth	96mm
	Standards/Approvals	IEC/EN 60947, CE Approved, CSA Approved, CSA-C22.2 No. 60947-4-1-14, CSA Class No.:3211-03, CSA File No.:012528, IEC/EN 60947-4-1, UL 508, UL Approved, UL Category Control No.:NKCR, UL File No.:E29184, VDE 0660
	Control Voltage	500V ac

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

Eaton Series ZB Overload Relay, 4 to 6A FLC Motor Rating, 6A Contact Current Rating - 278450 ZB32-6

This overload relay from Eaton is designed for efficient motor protection. The device operates within a current range of 4 to 6A, making it suitable for various applications requiring reliable overload protection. With dimensions of 45mm in width, 96mm in depth, and 96mm in height, it fits conveniently within compact setups. This direct contactor overload relay operates effectively within a temperature range from -25°C to +55°C.

Features & Benefits

• Automatic and manual reset options enhance usability

• Utilises a 1NO 1NC contact configuration for versatile applications

• Designed as a screw terminal overload relay for easy installation

• Capable of operating with voltages up to 690 V AC

• High-temperature overload relay functionality ensures durability

• Built-in phase-failure sensitivity for enhanced safety compliance

Applications

• Used for protecting electric motors in various machinery

• Suitable for integration with DILM and DIULM contactors

• Ideal for requiring short-circuit protection

• Commonly used in automation systems within the electrical industry

What is the reset method for this relay?

It features both automatic and manual reset options, providing flexibility depending on the operational needs.

How does this relay protect against overload conditions?

It includes an overload release with a tripping class of 10 A, ensuring that motors are protected from excessive currents that could cause damage.

What is the maximum operating temperature for this device?

It can operate safely in environments with ambient temperatures ranging from -25°C to +55°C, making it versatile for various conditions.

What connections are offered for this overload relay?

The relay provides screw terminal connections, which are reliable for secure wiring and easy installation.

Is it compatible with other electrical components?

Yes, it is suitable for use with several contactors, including models DILM17 and DILM25, among others, ensuring broad compatibility in different applications.

Note

Eaton formerly known as Moeller