Eaton ZB Overload Relay 1NO + 1NC, 2.4 → 4 A F.L.C, 4 A Contact Rating, 6 W, 500 Vac
- RS Stock No.:
- 493-0450
- Mfr. Part No.:
- 278449 ZB32-4
- Brand:
- Eaton
Subtotal (1 unit)*
£61.14
(exc. VAT)
£73.37
(inc. VAT)
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In Stock
- Plus 18 unit(s) shipping from 03 November 2025
- Plus 5 unit(s) shipping from 03 November 2025
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Units | Per unit |
|---|---|
| 1 + | £61.14 |
*price indicative
- RS Stock No.:
- 493-0450
- Mfr. Part No.:
- 278449 ZB32-4
- Brand:
- Eaton
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Eaton | |
| FLC Motor Rating | 2.4 → 4 A | |
| Contact Current Rating | 4 A | |
| Series | ZB | |
| Mounting Style | Direct Contactor | |
| Power Rating | 6 W | |
| Normal State Configuration | 1NO + 1NC | |
| Reset Method | Automatic, Manual | |
| Terminal Type | Screw | |
| Width | 45mm | |
| Number Of Auxiliary Contacts | 2 | |
| Length | 96mm | |
| Depth | 96mm | |
| Maximum Operating Temperature | +55°C | |
| Minimum Operating Temperature | -25°C | |
| Operating Temperature Range | -25 → +55 °C | |
| Control Voltage | 500 Vac | |
| Contact Voltage Rating | 690 V ac | |
Select all | ||
|---|---|---|
Brand Eaton | ||
FLC Motor Rating 2.4 → 4 A | ||
Contact Current Rating 4 A | ||
Series ZB | ||
Mounting Style Direct Contactor | ||
Power Rating 6 W | ||
Normal State Configuration 1NO + 1NC | ||
Reset Method Automatic, Manual | ||
Terminal Type Screw | ||
Width 45mm | ||
Number Of Auxiliary Contacts 2 | ||
Length 96mm | ||
Depth 96mm | ||
Maximum Operating Temperature +55°C | ||
Minimum Operating Temperature -25°C | ||
Operating Temperature Range -25 → +55 °C | ||
Control Voltage 500 Vac | ||
Contact Voltage Rating 690 V 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
• 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
• 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