Designed for high-capacity industrial systems, the CND63B100 is a 3-pole, 1000A molded case circuit breaker from the Siemens Sentron ND Frame series. It provides exceptional current-limiting capabilities with an interrupting rating of 100kA at 480VAC. This unit mounts into Siemens S4, S5, P4, and P5 panelboards, switchboards, and motor control centers. Equipped with a thermal-magnetic trip unit, it ensures precise long-time and instantaneous (LI) protection. Lugs are sold separately.
Current Limiting, HACR Rated, Non-Interchangeable Trip
Product FAQs
7 answers
Which Siemens panelboards and switchboards are compatible with the CND63B100?
This breaker is designed for use in Siemens Sentron S4, S5, P4, and P5 panelboards, as well as SB1, SB2, and SB3 switchboards and compatible motor control centers.
What are the wire size requirements for the terminal lugs on this breaker?
The standard lugs accept four 250 to 500 kcmil copper or aluminum conductors per phase.
How is the thermal magnetic trip unit configured on this model?
It features a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection.
Is the CND63B100 suitable for direct current (DC) systems?
Yes, it is rated for use in DC applications up to 500VDC, providing a 50kA interrupting rating.
What type of protection does the LI trip function provide?
The LI designation means the breaker provides Long-Time (L) protection against sustained overloads and Instantaneous (I) protection against severe short circuits.
Does this breaker plug into the busbar or bolt on?
This is a unit mount, bolt-on circuit breaker. It requires bolted connections to the busbar or mounting assembly rather than a plug-in connection.
What frame size category does this breaker fall under?
It is part of the Siemens Sentron ND frame group, specifically utilizing the CND frame type.
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.