Siemens CND63B100 Molded Case Circuit Breaker
- 1000A
- 3 Pole
- Unit Mount
Quantity
Siemens CND63B100 - 1000A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
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.Specifications
| Brand | Siemens |
|---|---|
| Part Number | CND63B100 |
| Series | CND6 |
| Amperage | 1000A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 65kA @ 600VAC, 50kA @ 500VDC |
| Frame Type | CND |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards (S4, S5, P4, P5), Switchboards (SB1, SB2, SB3), Motor Control Centers |
| Wire Gauge | (4) 250-500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 250 kcmil |
| 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 |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, HACR Rated, Non-Interchangeable Trip |
Product FAQs
7 answersWhich 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.
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