# QB50 - Thomas & Betts - Molded Case Circuit Breakers

**Manufacturer:** Thomas & Betts  
**MPN:** `QB50`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Thomas & Betts |
| Manufacturer name | Thomas & Betts |
| Manufacturer | Thomas & Betts |
| Extra Product Name | QB50 - Thomas & Betts - Molded Case Circuit Breakers |
| Voltage | 120 |
| moq | 1 |
| MPN | QB50 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | QB50 |
| Part Number | QB50 |
| Manufacturers | Thomas & Betts, Zinsco |
| Sub-Category | Molded Case |
| Family | QB Series |
| Type | QB |
| Phase | 1 |
| Poles | 1 |
| Amperage | 50 |
| Connection | Bolt-On |
| Protection | Thermal Magnetic |
| Functions | LI - Long-Time and Instantaneous |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Widespread | QB50 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/63000000/63122500/part_--QB50---ThomasBetts--83a0e50949.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp