# Molded Case Circuit Breaker, 300 A, 240V AC, 2 Pole, Free Standing Lug In Mounting Style

**Manufacturer:** Siemens  
**MPN:** `JXD22B300`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Siemens |
| Manufacturer name | Siemens |
| Manufacturer | Siemens |
| CategoryId | 4829 |
| DimensionUnit | inch |
| GraingerSku | 6GNG1 |
| Extra Product Name | Molded Case Circuit Breaker, 300 A, 240V AC, 2 Pole, Free Standing Lug In Mounting Style |
| UPC | 783643212893 |
| WeightUnit | lbs |
| depth | 4.0 |
| extendedLead | 10 |
| extendedQty | -2 |
| height | 11.0 |
| height_Attrib | Height |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 4.0 |
| length_Attrib | Depth |
| moq | 1 |
| MPN | JXD22B300 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G3091873 |
| tierMinQty1 | 1 |
| tierPrice1 | 3934.99 |
| url | https://www.zoro.com/siemens-molded-case-circuit-breaker-300-a-240v-ac-2-pole-free-standing-lug-in-mounting-style-jxd22b300/i/G3091873/ |
| width | 7.5 |
| width_Attrib | Width |
| Frame Size | 400A/JD |
| Depth | 4 in |
| Max Wire Size | 500 MCM |
| Height | 11 in |
| Width | 7.5 in |
| Item | Molded Case Circuit Breaker |
| Amps | 300 A |
| AC Voltage Rating | 240V AC |
| DC Voltage Rating | 250V DC |
| Max AIR Rating | 65kA at 240V AC |
| Terminal Connection | Lug |
| Series | JXD2-A |
| Number of Poles | 2 |
| Circuit Breaker Actuator | Toggle |
| Circuit Breaker Mounting Style | Free Standing Lug In |
| Circuit Breaker Type | Standard |
| Standards | HACR Rated, UL Listed |
| High Amp Trip Setting | 300 A |
| Low Amp Trip Setting | 300 A |
| For Use With | SB Switchboards Without Lugs, Sentron Panelboards |
| Instantaneous Trip | Fixed |
| Mounting | Free Standing Lug In |
| Trip Type | Thermal Magnetic |
| Phase | Single |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G3091873 | 3934.99 | 1 | None | 1 |
| Allied Electronics | 71296886 |  |  | None | 1 |
| motorsandcontrol.com | JXD22B300 | 4708.55 | 1 | None | 1 |
| superbreakers.com | JXD22B300 | 1647.8 | 1 | 1 | 1 |
| sustainablesupply.com | C2928220 | 3718.81 | 1 | None | 1 |
| Widespread | JXD22B300 |  |  | None | 1 |
| Coast Pneumatics | JXD22B300 |  |  | None | 1 |
| Dale-Electric | JXD22B300 | 4779.19 | 1 | None | 1 |
| kirbyrisk.com | 1847611 | 5052.44 | 1 | None | 1 |
| steinerelectric.com | 881023 | 6944.24 | 1 | None | 1 |
| bulbspro.com | JXD22B300 | 2789.64 | 1 | None | 1 |
| Crescent Electric Supply Co | 1993044 |  |  | None | 1 |
| turtle.com | ITE JXD22B300 | 6660.33 | 1 | None | 1 |
| Guardian | JXD22B300 |  |  | None | 1 |
| Crescent Electric Supply Co | JXD22B300 |  |  | None | 1 |
| Allfuses | JXD22B300 | 1653.69 | 1 | 5 | 1 |
| crescentelectric.com | 394434 | 6222.18 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/63000000/63451500/part_--JXD22B300---Siemens--7e62fb45ae.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp