Eaton, ZB Overload Relay 1 NO/1 NC, Trip Dial: 1 → 1.6 A, 1A, 1.6 A F.L.C, 1.6A Contact Rating, 6 W, 500V ac

RS Stock No.:: 493-0359
Mfr. Part No.:: 278436 ZB12-1,6
Manufacturer:: Eaton

Eaton, ZB Overload Relay 1 NO/1 NC, Trip Dial: 1 → 1.6 A, 1A, 1.6 A F.L.C, 1.6A Contact Rating, 6 W, 500V ac

Subtotal (1 unit)*

€64.54

(exc. VAT)

€79.38

(inc. VAT)

In Stock

7 unit(s) ready to ship from another location
Plus 10 unit(s) shipping from 16 February 2027

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	€64.54

*price indicative

RS Stock No.:: 493-0359
Mfr. Part No.:: 278436 ZB12-1,6
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
	FLC Motor Rating	1A, 1.6A
	Product Type	Overload Relay
	Relay Contact Current	1.6A
	Mount Type	Direct
	Series	ZB
	Power Rating	6W
	Normal State Configuration	1 NO/1 NC
	Terminal Type	Screw
	IP Rating	IP20
	Reset Method	Automatic & Manual
	Minimum Operating Temperature	-25°C
	Number of Auxiliary Contacts	2
	Adjustable Current Range	1 → 1.6 A
	Width	45mm
	Contact Voltage	690V ac
	Length	88mm
	Maximum Operating Temperature	55°C
	Depth	88mm
	Standards/Approvals	E29184, IEC/EN 60947, IEC/EN 60947-4-1, CSA Approved, UL 60947-4-1, UL Approved, CE Approved, CSA-C22.2 No. 60947-4-1-14, UL Category Control No.:NKCR, VDE 0660, CSA Class No.:3211-03, CSA File No.:012528
	Supply Voltage	600V
	Control Voltage	500V ac

	Select all
	Brand Eaton
	FLC Motor Rating 1A, 1.6A
	Product Type Overload Relay
	Relay Contact Current 1.6A
	Mount Type Direct
	Series ZB
	Power Rating 6W
	Normal State Configuration 1 NO/1 NC
	Terminal Type Screw
	IP Rating IP20
	Reset Method Automatic & Manual
	Minimum Operating Temperature -25°C
	Number of Auxiliary Contacts 2
	Adjustable Current Range 1 → 1.6 A
	Width 45mm
	Contact Voltage 690V ac
	Length 88mm
	Maximum Operating Temperature 55°C
	Depth 88mm
	Standards/Approvals E29184, IEC/EN 60947, IEC/EN 60947-4-1, CSA Approved, UL 60947-4-1, UL Approved, CE Approved, CSA-C22.2 No. 60947-4-1-14, UL Category Control No.:NKCR, VDE 0660, CSA Class No.:3211-03, CSA File No.:012528
	Supply Voltage 600V
	Control Voltage 500V ac

COO (Country of Origin):: DE

Eaton Series ZB Overload Relay, 1 to 1.6A FLC Motor Rating, 1.6A Contact Current Rating - 278436 ZB12-1,6

This overload relay is a crucial component designed for motor protection applications, specifically suited for direct mounting. With a compact design featuring dimensions of 45mm in width, 88mm in depth, and 88mm in length, it effectively operates in ambient temperatures ranging from -25°C to +55°C while ensuring robust performance.

Features & Benefits

• Automatically resets to restore operational readiness

• Supports direct mounting for easy installation

• Utilises screw terminal connections for secure wiring

• Designed with 1 normally open and 1 normally closed contact

• Features thermal overload protection to prevent motor damage

• Complies with IEC/EN standards for enhanced safety

Applications

• Utilised in conjunction with various contactors including DILM7 and DILM12

• Ideal for protecting Ex e-motors from thermal overload

• Suitable for automation systems requiring reliable current monitoring

• Used in industrial settings where motor protection is critical

What is the operational temperature range for this device?

The device operates effectively within a temperature range of -25°C to +55°C, making it suitable for various environmental conditions.

How does the automatic reset feature enhance usability?

The automatic reset feature ensures that after a fault condition, the overload relay restores power without manual intervention, reducing downtime and improving operational efficiency.

What are the advantages of using screw terminal connections?

Screw terminal connections provide a secure and reliable method for wiring, allowing for easy maintenance and ensuring minimal risk of disconnection during operation.

What kind of protective measures does this device offer?

The relay includes thermal overload protection that is designed to trip under excessive current conditions, safeguarding motors against potential damage.

Can the relay be integrated into existing systems easily?

Yes, the relay is designed for direct mounting and can seamlessly integrate with various contactors and motor control systems, enhancing overall system compatibility.

Note

Eaton formerly known as Moeller