# Molded Case Circuit Breaker, 300 A Amps, AC Voltage Rating 240V AC, Max. AIR Rating 65kA at 240V AC, For Use With SB Switchboards Without Lugs, Sentron Panelboards, Series JXD2-A, High Amp Trip Setting 300 A, Low Amp Trip Setting 300 A, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage Rating Not Rated, Terminal Connection Lug, Trip Type Thermal Magnetic, Phase Three, Instantaneous Trip Fixed, Phase Connection ABC, Frame Size 400A/JD

**Manufacturer:** Siemens  
**MPN:** `JXD23B300`

## 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 |
| GTIN | 783643212954 |
| UPC | 783643212954 |
| WeightUnit | lbs |
| depth | 4.0 |
| height | 11.0 |
| height_Attrib | Height |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 4.0 |
| length_Attrib | Depth |
| moq | 1 |
| MPN | JXD23B300 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G1109717 |
| tierMinQty1 | 1 |
| tierPrice1 | 5703.99 |
| url | https://www.zoro.com/siemens-molded-case-circuit-breaker-300-a-240v-ac-3-pole-free-standing-lug-in-mounting-style-jxd23b300/i/G1109717/ |
| width | 7.5 |
| width_Attrib | Width |
| Frame Size | 400A/JD |
| Max Wire Size | 500 MCM |
| Width | 7.5 in |
| Depth | 4 in |
| Height | 11 in |
| Item | Molded Case Circuit Breaker |
| Amps | 300 A |
| AC Voltage Rating | 240V AC |
| DC Voltage Rating | Not Rated |
| Max AIR Rating | 65kA at 240V AC |
| Terminal Connection | Lug |
| Series | JXD2-A |
| Number of Poles | 3 |
| 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 |
| For Use With | SB Switchboards Without Lugs, Sentron Panelboards |
| Phase | Three |
| Instantaneous Trip | Fixed |
| Mounting | Free Standing Lug In |
| Trip Type | Thermal Magnetic |
| Low Amp Trip Setting | 300 A |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G1109717 | 5703.99 | 1 | None | 1 |
| Grainger | 6GNG7 |  |  | None | 1 |
| Allied Electronics | 71296891 |  |  | None | 1 |
| motorsandcontrol.com | JXD23B300 | 6237.35 | 1 | None | 1 |
| superbreakers.com | JXD23B300 | 2307.28 | 1 | 23 | 1 |
| Raptor Supplies | AG8QFR | 2.9833245 | 1 | None | 1 |
| AmazonTP | B0089PNEOC | 927.2 | 1 | None | 1 |
| AmazonTP | B005XH8JP8 | 720.0 | 1 | None | 1 |
| AmazonSC | B005XH8JP8 |  |  | None | 1 |
| Widespread | JXD23B300 |  |  | None | 1 |
| Dale-Electric | JXD23B300 | 5807.92 | 1 | None | 1 |
| kirbyrisk.com | 559685 | 6692.88 | 1 | None | 1 |
| standardelectricsupply.com | 20098 | 5722.09 | 1 | None | 1 |
| steinerelectric.com | 325129 | 7671.64 | 1 | None | 1 |
| bulbspro.com | JXD23B300 | 3424.32 | 1 | None | 1 |
| Coast Pneumatics | JXD23B300 |  |  | None | 1 |
| Crescent Electric Supply Co | 1993048 |  |  | None | 1 |
| turtle.com | ITE JXD23B300 | 8094.34 | 1 | None | 1 |
| Guardian | JXD23B300 |  |  | None | 1 |
| Crescent Electric Supply Co | JXD23B300 |  |  | None | 1 |
| Allfuses | JXD23B300 | 2104.29 | 1 | 29 | 1 |
| crescentelectric.com | 394438 | 7561.86 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/4500000/4609500/part_--JXD23B300---Siemens--65e07fb253.json`  
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