# IEC Supplementary Protector, Amps 25 A, AC Voltage Rating 400V AC, Max. AIR Rating 5kA at 400V AC, Series 5SY6, Curve Type C, DC Voltage Rating Not Rated, Number of Poles 3, Phase 3, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style DIN Rail, Meets UL Type UL 1077, Terminal Connection Screw Clamp, Trip Type Thermal Magnetic, Application Industrial, Min. Wire Size 14 AWG, Max. Wire Size 4 AWG, Length 3.7 in, Width 2.28 in, Depth 3.3 in

**Manufacturer:** Siemens  
**MPN:** `5SY63257`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Siemens |
| Manufacturer name | Siemens |
| Manufacturer | Siemens |
| CategoryId | 4829 |
| CategoryIdL1 | 23 |
| CategoryIdL2 | 4530 |
| CategoryIdL3 | 4829 |
| CategoryL1 | Electrical Supplies |
| CategoryL2 | Power Distribution & Circuit Protection |
| CategoryL3 | Circuit Breakers |
| DimensionUnit | inch |
| UPC | 754554931173 |
| WeightUnit | lbs |
| depth | 3.3 |
| height | 3.3 |
| height_Attrib | Depth |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 3.7 |
| length_Attrib | Length |
| moq | 1 |
| MPN | 5SY63257 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | G7548755 |
| tierMinQty1 | 1 |
| tierPrice1 | 122.99 |
| url | https://www.zoro.com/siemens-iec-supplementary-protector-25-a-400v-ac-3-pole-din-rail-mounting-style-5sy6-series-5sy63257/i/G7548755/ |
| width | 2.28 |
| width_Attrib | Width |
| Frame Size | 3 |
| Min Wire Size | 14 AWG |
| Length | 3.7 in |
| Max Wire Size | 4 AWG |
| Depth | 3.3 in |
| Width | 2.28 in |
| Length (Straight Wireway) | 3.7 in |
| Item | IEC Supplementary Protector |
| Amps | 25 A |
| AC Voltage Rating | 400V AC |
| DC Voltage Rating | Not Rated |
| Curve Type | C |
| Max AIR Rating | 5kA at 400V AC |
| Terminal Connection | Screw Clamp |
| Series | 5SY6 |
| Number of Poles | 3 |
| Circuit Breaker Actuator | Toggle |
| Circuit Breaker Mounting Style | DIN Rail |
| Standards | EN60898, UL 1077 CSA C22.2 No. 235, UL File No. E 116385 |
| Trip Type | Thermal Magnetic |
| Mounting | Din Rail |
| Application | Industrial |
| Features | Quick Assembly System |
| Housing Material | Thermoplastic |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G7548755 | 122.99 | 1 | None | 1 |
| Grainger | 30XX76 |  |  | None | 1 |
| Allied Electronics | 72040089 |  |  | None | 1 |
| sustainablesupply.com | C1186486 | 246.61 | 1 | None | 1 |
| motorsandcontrol.com | 5SY6325-7 | 96.48 | 1 | None | 1 |
| us.rs-online.com | 72040089 | 116.05 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/244000000/244457500/part_--5SY63257---Siemens--5cf6eb5080.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp