NOARK® Electric B1D Series DC miniature circuit breakers are available in a complete range of amperages from 0.5A to 63A. Standard ratings of 10 kA at 250Vdc. UL489 listed and CSA C22.2 No. 5 certified, these breakers are suitable for branch circuit protection. 5-Year limited warranty.
These branch circuit breakers are available in two terminal configurations: standard box terminals that accept multiple conductors and ring-tongue terminals. All breakers mount on standard 35 mm DIN rail, while the B1NQ also has flush and surface mounting options with the use of additional mounting clips. Bus connectors and feeder terminal facilitate mounting and wiring of multiple miniature circuit breaker arrays in control panel assemblies. Breakers can also be reverse feed if needed.

Features:
Complete range of UL 489 listed miniature circuit breakers up to a 63 A current rating
Breakers mount on standard 35 mm DIN rail - B1NQ also provides a flush and surface mount options with additional mounting clips
Standard ratings of 10 kA at 480Y/277 Vac and 10 kA at 125 Vdc
Suitable for branch circuit device protection
Trip-free design - breaker cannot be defeated by holding the handle in the ON position
Captive screws cannot be lost
For use in applications for which UL 489 is allowed
Field installable shunt trip and auxiliary switch subsequent mounting
Available with provisions for ring tongue terminals
Module width of only 0.71 in (18 mm) per pole
Contact position indicator (red/green)
Possibility for locking the toggle in ON or OFF position

Typical Applications:
Branch Circuit Protection
Convenience receptacle circuits (internal/external)
Motor control circuits
Load circuits leaving the equipment (external)
HVACR equipment: heating, ventilation, air conditioning, refrigeration (internal/external)
PLC I/O points
Power supplies
Control instrumentation
Relays
UPS
Power conditioners