Providing exceptional fault protection, the Siemens CFD63B200 is a 200A, 3-pole current-limiting circuit breaker. Belonging to the Sentron FD frame lineup, this fuseless MCCB restricts let-through energy to safeguard downstream industrial equipment. This unit-mount breaker is compatible with Siemens P1, P2, and P3 panelboards, switchboards, and motor control centers. With a thermal-magnetic trip mechanism, it ensures precise LI response and a 200kAIC rating at 480VAC.
Current Limiting, HACR Rated, Non-Interchangeable Trip, Trip-Free Mechanism
Special Features
Current Limiting
Product FAQs
5 answers
What distribution equipment is compatible with the Siemens CFD63B200?
This unit-mount, bolt-on breaker is designed for installation in Siemens Sentron P1, P2, and P3 panelboards. It can also be integrated into compatible Siemens switchboards, motor control centers, and standalone enclosures.
What wire sizes do the terminal lugs on the CFD63B200 accept?
The standard lugs accommodate copper wire from 6 AWG up to 350 kcmil, and aluminum wire from 4 AWG up to 350 kcmil. Ensure all connections are torqued to the manufacturer specifications printed on the breaker label during installation.
Are the trip settings adjustable on this breaker?
The CFD63B200 features a thermal-magnetic trip unit with a fixed long-time thermal setting for standard overload protection. However, the instantaneous magnetic trip is adjustable, allowing electricians to customize the short-circuit response based on specific load and coordination requirements.
Is the Siemens CFD63B200 a current-limiting breaker?
Yes, it is classified as a current-limiting circuit breaker. During a severe short circuit, it acts rapidly to reduce the peak let-through current and limit let-through energy, which provides enhanced protection for downstream devices and reduces thermal and mechanical stress on the system.
Can the CFD63B200 be installed in direct current (DC) systems?
Yes, this breaker is rated for both AC and DC applications. For DC systems, it supports a maximum voltage of 500VDC and provides an interrupting capacity of 50 kA.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
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.
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.