Siemens SENTRON 5SY Circuit Breaker, 4-Pole, 20A, Type D, 440V ac AC, 60 V dc DC, 25 kA Breaking Capacity
- RS Stock No.:
- 664-322
- Mfr. Part No.:
- 5SY8420-8
- Brand:
- Siemens
Subtotal (1 unit)*
£163.80
(exc. VAT)
£196.56
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 25 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £163.80 |
*price indicative
- RS Stock No.:
- 664-322
- Mfr. Part No.:
- 5SY8420-8
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Number of Poles | 4 | |
| Product Type | Circuit Breaker | |
| Current Rating | 20A | |
| Tripping Characteristics | Type D | |
| Rated AC Voltage | 440V ac | |
| Rated DC Voltage | 60V dc | |
| Breaking Capacity | 25kA | |
| Mount Type | DIN Rail | |
| Range | SENTRON | |
| Series | 5SY | |
| Terminal Type | Screw | |
| IP Rating | IP20 | |
| Depth | 76mm | |
| Height | 90mm | |
| Width | 72mm | |
| Standards/Approvals | UKCA, UR, CE, EAC, IEC 60898-1, IEC 60947-2 | |
| Reset Actuator Type | Lever | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Number of Poles 4 | ||
Product Type Circuit Breaker | ||
Current Rating 20A | ||
Tripping Characteristics Type D | ||
Rated AC Voltage 440V ac | ||
Rated DC Voltage 60V dc | ||
Breaking Capacity 25kA | ||
Mount Type DIN Rail | ||
Range SENTRON | ||
Series 5SY | ||
Terminal Type Screw | ||
IP Rating IP20 | ||
Depth 76mm | ||
Height 90mm | ||
Width 72mm | ||
Standards/Approvals UKCA, UR, CE, EAC, IEC 60898-1, IEC 60947-2 | ||
Reset Actuator Type Lever | ||
- COO (Country of Origin):
- DE
The Siemens Miniature circuit breaker with 4-pole configuration and 25 kA breaking capacity for 400 V AC applications. Designed with a depth of 70 mm, complies with EN 60947-2 standard, features protection class IP20, and supports connected conductors.
Overvoltage category III
Degree of pollution 3
Suitability for operation Infrastructure and Industry
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