TE Connectivity 139 Potter & Brumfield W9 Thermal Circuit Breaker - 1-Pole, 7A Current Rating, 5000 A, 277V ac
- RS Stock No.:
- 474-765
- Distrelec Article No.:
- 304-52-850
- Mfr. Part No.:
- 3-1393254-3
- Brand:
- TE Connectivity
Subtotal (1 tray of 4 units)*
£196.71
(exc. VAT)
£236.05
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 14 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Tray(s) | Per Tray | Per unit* |
|---|---|---|
| 1 + | £196.71 | £49.178 |
*price indicative
- RS Stock No.:
- 474-765
- Distrelec Article No.:
- 304-52-850
- Mfr. Part No.:
- 3-1393254-3
- Brand:
- TE Connectivity
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | TE Connectivity | |
| Product Type | Thermal Circuit Breaker | |
| Current Rating | 7A | |
| Number of Poles | 1 | |
| Series | Potter & Brumfield W9 | |
| Range | 139 | |
| Width | 0.75in | |
| Terminal Type | Stud | |
| Tripping Mechanism | Magnetic | |
| Tripping Characteristics | Series Trip | |
| Rated AC Voltage | 277V ac | |
| Standards/Approvals | UL | |
| Height | 63.5mm | |
| Break Time | 2.2 to 20 Sec | |
| Breaking Capacity | 5000A | |
| Select all | ||
|---|---|---|
Brand TE Connectivity | ||
Product Type Thermal Circuit Breaker | ||
Current Rating 7A | ||
Number of Poles 1 | ||
Series Potter & Brumfield W9 | ||
Range 139 | ||
Width 0.75in | ||
Terminal Type Stud | ||
Tripping Mechanism Magnetic | ||
Tripping Characteristics Series Trip | ||
Rated AC Voltage 277V ac | ||
Standards/Approvals UL | ||
Height 63.5mm | ||
Break Time 2.2 to 20 Sec | ||
Breaking Capacity 5000A | ||
- COO (Country of Origin):
- MX
The TE Connectivity Magnetic circuit breaker is a pinnacle of reliability and performance in electrical protection. Designed with a series trip function, it effectively interrupts current flow under fault conditions to safeguard your equipment. The black actuator not only ensures ease of use but also complements a variety of installations. With an operating voltage of 277 VAC and a current rating of 7 A, this device is tailored to meet demanding applications. The adjustable trip time at 200% guarantees optimal safety configurations for critical circuits. Perfect for both industrial and commercial settings, this circuit breaker exemplifies quality and innovation, providing peace of mind and enhanced system reliability.
Series trip technology ensures effective fault interruption
Black actuator offers a sleek and functional design
Operating voltage compatibility enhances versatility
Current rating optimises performance across different loads
Adjustable trip time allows for customised protection settings
Compact dimensions enable easy installation in constrained spaces
Low halogen content supports eco friendly initiatives
Compliance with various regulation standards assures product reliability
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