Eaton Overload Relay 1NO + 1NC, 4 → 6 A F.L.C, 6 A Contact Rating, 6 W, 500 Vac
- RS Stock No.:
- 493-0393
- Mfr. Part No.:
- 278439 ZB12-6
- Brand:
- Eaton
Subtotal (1 unit)*
£51.09
(exc. VAT)
£61.31
(inc. VAT)
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Temporarily out of stock
- 9 unit(s) shipping from 16 December 2025
- Plus 30 unit(s) shipping from 06 January 2026
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Units | Per unit |
|---|---|
| 1 + | £51.09 |
*price indicative
- RS Stock No.:
- 493-0393
- Mfr. Part No.:
- 278439 ZB12-6
- 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 | 4 → 6 A | |
| Contact Current Rating | 6 A | |
| Mounting Style | Direct Contactor | |
| Power Rating | 6 W | |
| Normal State Configuration | 1NO + 1NC | |
| Terminal Type | Screw | |
| Reset Method | Automatic, Manual | |
| Number Of Auxiliary Contacts | 2 | |
| Width | 45mm | |
| Length | 120mm | |
| Depth | 88mm | |
| Maximum Operating Temperature | +55°C | |
| Minimum Operating Temperature | -5°C | |
| Operating Temperature Range | -5 → +55 °C | |
| Control Voltage | 500 Vac | |
| Supply Voltage | 600 V ac | |
| Contact Voltage Rating | 690 V ac | |
Select all | ||
|---|---|---|
Brand Eaton | ||
FLC Motor Rating 4 → 6 A | ||
Contact Current Rating 6 A | ||
Mounting Style Direct Contactor | ||
Power Rating 6 W | ||
Normal State Configuration 1NO + 1NC | ||
Terminal Type Screw | ||
Reset Method Automatic, Manual | ||
Number Of Auxiliary Contacts 2 | ||
Width 45mm | ||
Length 120mm | ||
Depth 88mm | ||
Maximum Operating Temperature +55°C | ||
Minimum Operating Temperature -5°C | ||
Operating Temperature Range -5 → +55 °C | ||
Control Voltage 500 Vac | ||
Supply Voltage 600 V ac | ||
Contact Voltage Rating 690 V ac | ||
- COO (Country of Origin):
- DE
Eaton Overload Relay, Direct Contactor Mounting Style, IP20 Rating - ZB Series - 278439 ZB12-6
Protect your electric motor from excessive current supply by using this overload relay from Eaton. You can adjust the current range between 4A and 6A, making it a versatile choice. It's finger and back-of-hand proof, so is safe to set up manually without the risk of electric shock. Built-in mechanical shock resistance helps to prevent false tripping in demanding conditions where heavy vibration is likely. For easy mounting, this unit attaches directly to the contactor. Overload relays like this one are commonly found in factory automation and industrial control applications.
Features & Benefits
• ATEX certified for safe use in hazardous locations
• Complies with IEC/EN 60947 standards for use in low-voltage electrical systems
• Manual and automatic reset for versatile operation
• Broad operating temperature range of -5°C to +55°C means it performs effectively in harsh industrial environments
• Complies with IEC/EN 60947 standards for use in low-voltage electrical systems
• Manual and automatic reset for versatile operation
• Broad operating temperature range of -5°C to +55°C means it performs effectively in harsh industrial environments
What's the difference between an overload relay and a motor protection circuit breaker?
An overload relay typically protects the motor from current faults alone, while a motor protection circuit breaker protects the motor from current overload as well as short circuits.
Note
Eaton formerly known as Moeller