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Siemens CJD63B200 Molded Case Circuit Breaker
- 200A
- 3 Pole
- Unit Mount
Siemens
CJD63B200
Molded Case Circuit Breaker
Brand
Siemens
SKU
CJD63B200
Quantity
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Siemens CJD63B200 - 200A 3 Pole Molded Case Circuit Breaker
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Description
Belonging to the Sentron JD frame series, the Siemens CJD63B200 delivers 200 amps of thermal-magnetic protection. This 3-pole breaker features long-time and instantaneous (LI) trip functions to safeguard industrial electrical systems. As a unit mount device, it integrates into Siemens P4 and P5 panelboards, switchboards, and enclosures. Note that line and load lugs are not included. Boasting a high interrupting capacity of 150 kAIC at 480V, this fuseless breaker is designed for reverse feed.Specifications
| Brand | Siemens |
|---|---|
| Part Number | CJD63B200 |
| Series | CJD |
| Amperage | 200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 150kA @ 480VAC, 100kA @ 600VAC, 50kA @ 500VDC |
| Frame Type | CJD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P4, P5 Panelboards, Switchboards, Enclosures |
| Wire Gauge | 3/0 AWG to 500 kcmil (Cu/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, Lug Kits, Rotary Handle, Motor Operator |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, HACR Rated, Non-Interchangeable Trip, Reverse Feed |
Product FAQs
8 answersWhich Siemens panelboards are compatible with the CJD63B200 circuit breaker?
The CJD63B200 is a unit-mount, bolt-on breaker designed for integration into Siemens P4 and P5 panelboards, as well as compatible switchboards and enclosures.
Is the Siemens CJD63B200 a current-limiting circuit breaker?
Yes, the C prefix in the CJD frame designation indicates it is a current-limiting breaker. It provides ultra-high interrupting ratings, including 100kAIC at 600VAC and 150kAIC at 480VAC, for heavy commercial and industrial power distribution.
What wire sizes are accepted by the standard lugs on the CJD63B200?
The standard lugs accept copper (Cu) or aluminum (Al) conductors ranging from 3/0 AWG to 500 kcmil.
Can I adjust the trip settings on the CJD63B200?
Yes, this breaker features a thermal-magnetic trip unit with a fixed thermal setting of 200A and an adjustable magnetic trip. The magnetic trip range for this 200A model can be adjusted from 1250A to 2500A.
Can the CJD63B200 be used in DC electrical systems?
Yes, this breaker is rated for DC applications up to 500VDC, providing an interrupting capacity of 50kAIC at 500VDC. When applying 3-pole breakers on 500VDC systems, ensure the power supply is connected correctly across the poles per manufacturer guidelines.
Is the Siemens CJD63B200 suitable for reverse feed applications?
Yes, this breaker is reverse feed capable, allowing it to be back-fed in compatible power distribution setups.
What is the difference between the JD63B200, HJD63B200, and CJD63B200?
All three are 200A, 3-pole JD-frame breakers, but they feature different interrupting ratings. The JD63B200 is the standard interrupting version, the HJD63B200 is the high interrupting version, and the CJD63B200 is the current-limiting version with the highest interrupting capacity of 150kAIC at 480VAC.
Does the CJD63B200 have an interchangeable trip unit?
No, the CJD63B200 features a non-interchangeable trip unit. The thermal-magnetic trip mechanism is factory-sealed within the breaker frame.
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