# Square D Q1B340 3 Pole Circuit Breaker

**Manufacturer:** Square D  
**MPN:** `Q1B340-R`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Square D |
| Manufacturer name | Square D |
| Manufacturer | Square D |
| CategoryL1 | Square D Q1B340 3... |
| Extra Product Name | Square D Q1B340 3 Pole Circuit Breaker |
| Voltage | 240VAC |
| moq | 1 |
| MPN | Q1B340-R |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | Q1B340-R |
| Brand | Square D |
| Series | Q1B |
| Amperage | 40 |
| Poles | 3 |
| Phase | 3 |
| Interrupting Rating | 10kAIC at 240V |
| Frame Type | Q1B |
| Connection Type | Bolt-On |
| Protection | Thermal Magnetic |
| Functions | Long Time and Instantaneous Trip |
| Temperature Rating | 40 ?C |
| Mpn | Q1B340 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| superbreakers.com | Q1B340-R |  |  | None | 1 |

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Structured data: `/python/html6/product/500/88000000/88007500/part_--Q1B340R---SquareD--2a28d522af.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp