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
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Subtotal (1 unit)*
SGD117.85
(exc. GST)
SGD128.46
(inc. GST)
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In Stock
- Plus 48 unit(s) shipping from 04 May 2026
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Units | Per unit |
|---|---|
| 1 - 4 | SGD117.85 |
| 5 + | SGD114.32 |
*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 | |
| 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 | |
| Adjustable Current Range | 2.4 to 4 A | |
| Minimum Operating Temperature | -25°C | |
| Number of Auxiliary Contacts | 2 | |
| Width | 45mm | |
| Length | 96mm | |
| Maximum Operating Temperature | 55°C | |
| Contact Voltage | 690V ac | |
| 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 | |
| Depth | 96mm | |
| Control Voltage | 500V ac | |
| Select all | ||
|---|---|---|
Brand Eaton | ||
Product Type Overload Relay | ||
FLC Motor Rating 2.4, 4A | ||
Relay Contact Current 4A | ||
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 | ||
Adjustable Current Range 2.4 to 4 A | ||
Minimum Operating Temperature -25°C | ||
Number of Auxiliary Contacts 2 | ||
Width 45mm | ||
Length 96mm | ||
Maximum Operating Temperature 55°C | ||
Contact Voltage 690V ac | ||
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 | ||
Depth 96mm | ||
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
