Siemens PXD63B120 Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Bolt-On
Quantity
Siemens PXD63B120 - 1200A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for commercial power systems, the Siemens PXD63B120 is a 1200A, 3-pole MCCB. It delivers robust overcurrent protection within the proven Sentron PD frame architecture. This bolt-on breaker mounts into Siemens P5 panelboards, switchboards, and motor control centers. It is supplied without installed lugs, allowing for flexible termination options. Delivering a 65kAIC rating at 240V, it utilizes a non-interchangeable thermal-magnetic trip with adjustable magnetic settings.Specifications
| Brand | Siemens |
|---|---|
| Part Number | PXD63B120 |
| Series | PXD6 |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 600VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC, 25kA @ 250VDC, 25kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P5 Panelboards, Siemens Switchboards, Motor Control Centers |
| 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, Mechanical Lugs, Compression Lugs |
|---|---|
| Accessories | No Lugs Installed |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
5 answersWhich Siemens enclosures and panelboards accept the PXD63B120?
This bolt-on breaker is designed to mount directly into Siemens P5 Panelboards, Siemens Switchboards, and Motor Control Centers.
Are terminal lugs pre-installed on this breaker?
No, it is supplied without lugs installed to allow for flexible termination. You will need to separately source the appropriate mechanical or compression lug kits for your specific wire size and material.
Can the trip unit on the PXD63B120 be swapped or upgraded?
No, it is equipped with a non-interchangeable thermal-magnetic trip unit providing Long-Time and Instantaneous (LI) protection. The thermal element is fixed, though the magnetic settings are adjustable.
Can this breaker be used in DC applications?
Yes, in addition to its AC ratings, it is rated for use in direct current systems up to 500VDC, delivering a 25kA interrupting capacity at both 250VDC and 500VDC.
What frame class does this breaker belong to?
It is built on the Siemens Sentron PD frame architecture. It serves as a direct replacement for older PD6 frame breakers with matching specifications.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.