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Siemens SJD69300G Molded Case Circuit Breaker
- 300A
- 3 Pole
- Unit Mount
Siemens
SJD69300G
Molded Case Circuit Breaker
Brand
Siemens
SKU
SJD69300G
Quantity
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Siemens SJD69300G - 300A 3 Pole Molded Case Circuit Breaker
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Description
Designed for advanced circuit protection, the Siemens SJD69300G is a 3-pole, 300A molded case circuit breaker. It is built for industrial facilities requiring precise electronic trip capabilities. This JD Frame breaker mounts into Siemens Sentron P4, P5, and SPP panelboards. For future system upgrades, it can be replaced by the Siemens 3VA Series using a retrofit kit. The Sensitrip III electronic trip unit features adjustable long-time, instantaneous, and ground fault (LIG) protection.Specifications
| Brand | Siemens |
|---|---|
| Part Number | SJD69300G |
| Series | SJD6 |
| Amperage | 300A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 60-300A |
|---|
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Sentron Panelboards (Type P4, P5, SPP), Switchboards, Motor Control Centers |
| Wire Gauge | 3/0 AWG - 500 kcmil |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LIG |
| Trip Function | Long-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Lug Kits |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
5 answersWhich Siemens panelboards accept the SJD69300G circuit breaker?
This unit-mount JD Frame breaker is compatible with Siemens Sentron Type P4, Type P5, and SPP panelboards. It can also be installed in Siemens switchboards and motor control centers.
What type of trip unit is installed in the SJD69300G?
It features a Sensitrip solid-state electronic trip unit. The S in the SJD6 prefix designates this electronic trip technology, which offers greater precision and adjustability compared to standard thermal-magnetic breakers.
What specific fault protection does the LIG designation provide?
The LIG trip function code indicates that the breaker provides adjustable protection for Long-Time overloads, Instantaneous short circuits, and Ground Faults. The G at the end of the catalog number specifically denotes the integrated ground fault protection.
Can the SJD69300G replace standard thermal-magnetic JD Frame breakers?
Yes. Because it is built on the standard Siemens JD Frame, it shares the same physical footprint and mounting dimensions as traditional thermal-magnetic JD breakers, allowing for straightforward upgrades to electronic trip protection.
What wire sizes are supported by the standard lugs on this 300A breaker?
The factory lugs accommodate conductors ranging from 3/0 AWG up to 500 kcmil. Ensure your conductor material and temperature ratings align with the terminal specifications during installation.
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