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Siemens CFD63B200L Molded Case Circuit Breaker
- 200A
- 3 Pole
- Unit Mount
Siemens
CFD63B200L
Molded Case Circuit Breaker
Brand
Siemens
SKU
CFD63B200L
Quantity
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Siemens CFD63B200L - 200A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for heavy-duty industrial applications, the CFD63B200L delivers robust current-limiting protection. This 200A, 3-pole Sentron breaker utilizes a thermal-magnetic trip mechanism with long-time and instantaneous (LI) functions. Designed as a unit mount FD frame device, it fits into Siemens Sentron panelboards and enclosures. With a 200 kAIC rating at 480VAC, this MCCB handles high-fault environments using rapid blow-apart contacts and a reliable fuseless design.Specifications
| Brand | Siemens |
|---|---|
| Part Number | CFD63B200L |
| Series | CFD6 |
| Amperage | 200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 200kA @ 480VAC, 100kA @ 600VAC, 50kA @ 500VDC |
| Frame Type | FD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards, Switchboards, Enclosures |
| Wire Gauge | 6 AWG - 350 kcmil (Cu), 4 AWG - 350 kcmil (Al) |
| Max Wire | 350 kcmil |
| Min Wire | 6 AWG (Cu), 4 AWG (Al) |
| 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 | Line and Load Lugs (Factory Installed) |
| Standards | HACR Rated, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, HACR Rated, Fuseless |
Product FAQs
5 answersAre line and load lugs included with the CFD63B200L?
Yes, the "L" suffix in the catalog number indicates that this breaker comes factory-equipped with line and load lugs. These lugs accept 6 AWG to 350 kcmil copper or 4 AWG to 350 kcmil aluminum wire.
How is the CFD63B200L installed in Siemens Sentron panels?
This is a unit mount, feed-thru circuit breaker. It bolts directly to the backpan or mounting plate of Siemens Sentron panelboards, switchboards, and enclosures, rather than plugging into a busbar system.
What does the adjustable magnetic trip on this breaker control?
The adjustable magnetic trip allows electricians to set the instantaneous short-circuit pickup level. This provides better coordination with other protective devices in the system while the thermal overload element remains fixed.
What does the "LI" trip function code mean on this breaker?
The "LI" designation indicates that the thermal-magnetic trip unit provides Long-Time (L) overload protection and Instantaneous (I) short-circuit protection.
Why does the CFD63B200L have different interrupting ratings at different voltages?
Interrupting capacity depends on the system voltage. This breaker can safely clear a 200kA fault at 480VAC, but its capacity decreases to 100kA at 600VAC and 50kA in 500VDC applications.
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