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Siemens JD23B225 Molded Case Circuit Breaker
- 225A
- 3 Pole
- Bolt-On
Siemens
JD23B225
Molded Case Circuit Breaker
Brand
Siemens
SKU
JD23B225
Quantity
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Siemens JD23B225 - 225A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial power distribution, the Siemens JD23B225 is a 225-amp molded case circuit breaker from the Sentron JD2 frame family. It provides robust overcurrent protection for demanding electrical environments. This bolt-on MCCB installs into Siemens Sentron panelboards, switchboards, and motor control centers. It serves as a replacement for older units and is superseded by the JD63B225. Rated for 65 kAIC at 240VAC, it features an adjustable magnetic trip and HACR rating.Specifications
| Brand | Siemens |
|---|---|
| Part Number | JD23B225 |
| Series | JD2 |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 30kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Sentron Panelboards, Switchboards, Motor Control Centers, Enclosures |
| Wire Gauge | (2) 3/0 AWG - 500 kcmil (Cu), (2) 4/0 AWG - 500 kcmil (Al) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Lugs (TA2J6500) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip |
Product FAQs
6 answersIs there a newer replacement for the Siemens JD23B225?
Yes, the JD23B225 is a legacy J-frame breaker. Siemens has superseded this model with the JD63B225 for modern Sentron applications.
What equipment is the JD23B225 designed to fit?
This bolt-on MCCB installs directly into Siemens Sentron panelboards, switchboards, and motor control centers. It is also compatible with standalone Siemens enclosures designed for J-frame breakers.
What are the wire capacity limits for the JD23B225 lugs?
The included lugs accommodate dual conductors per phase. They accept two 3/0 AWG to 500 kcmil copper wires, or two 4/0 AWG to 500 kcmil aluminum wires.
Can the JD23B225 be installed in DC power systems?
Yes, this breaker is certified for direct current applications up to 250VDC, where it delivers a 30kA interrupting rating.
How is the trip unit configured on this J-frame breaker?
The thermal-magnetic trip unit provides LI (Long-Time and Instantaneous) protection. The thermal overload element is fixed, while the magnetic short-circuit pickup is adjustable to coordinate with downstream loads.
Is the JD23B225 physically interchangeable with other Siemens J-frame breakers?
Yes, it shares the standard JD2 frame footprint, making it physically interchangeable with other legacy J-frame breakers in Sentron panelboards, provided the amperage and interrupting ratings meet your system requirements.
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