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Unit of Measure

Specifications

Brands

 N/A NOARK®

Alternating Current (AC) Voltage

 N/A 12 to 24 V

Direct Current (DC) Voltage

 N/A 12 to 24 V

Features

Features

 N/A
  • 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 1077 or CSA C22.2 No.235 are also 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

Typical Applications

 N/A 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

Certifications

Certifications

 N/A UL 489 File Number E355392 / CSA Standards C22.2 No. 5-16 / IEC 60947-2

Standard for MCCB for feeder and branch circuit protection.
  • Certified for Canada According to CSA C22.2 No. 5-16 standard for branch circuit protection.
  • UL 489 file number E355392 standard for connection terminals which allows the user to apply field wiring directly to the breaker.
  • UL 486 standard for connection terminals which allows the user to apply field wiring directly to the breaker.
  • IEC 60947-2 standard for industrial applications of circuit protection.
RoHS
  • These devices are RoHS compliant.

Downloads

Instruction Booklet

 N/A UL 1077 Shunt Trips (SHT) (SHT31U IB NOARK)

3D CAD Drawing STP

 N/A 110 to 415 Volt (V) Alternating Current (AC) Voltage UL 1077 Shunt Trip (SHT) (CAD Step File)

DWG - 2D CAD Drawing

 N/A 110 to 415 Volt (V) Alternating Current (AC) Voltage UL 1077 Shunt Trip (SHT) (CAD Drawing)

DXF - 2D CAD Drawing

 N/A 110 to 415 Volt (V) Alternating Current (AC) Voltage UL 1077 Shunt Trip (SHT) (Drawing -DXF)
B1H Series 0.5 Ampere (A) Rated Current and 277 Volt (V) Alternating Current (AC) Voltage Miniature Circuit Breaker (Drawing -DXF)

PDF - 2D CAD Drawings

 N/A 110 to 415 Volt (V) Alternating Current (AC) Voltage UL 1077 Shunt Trip (SHT) (Downloadable)
B1H Series 0.5 Ampere (A) Rated Current and 277 Volt (V) Alternating Current (AC) Voltage Miniature Circuit Breaker (Downloadable)