**Tariff Update: Select Manufacturer Tariffs Will Begin on April 14th, 2025** Read the latest!

Available Now! B1N2C40
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Available Now! (2 in stock)
Noark

B1N2C40

Alt: 1000106, *Includes 20% Tariff from Manufacturer

$36.87

Miniature Circuit Breaker, UL489, 2-Poles, C-Curve, 40A, 240VAC/125VDC, 10kA, Box Lugs

Weight:
1.00 LBS
Minimum Purchase:
1 unit
Adding to cart… The item has been added
noark-b1n-2pole_81__58860.jpg
noark-b1-nha-cad_182__00928.jpg
noark-b1-n-nqha-selectguide_533__78947.jpg
noark-b1n-2pole_81__58860.jpg
noark-b1-nha-cad_182__00928.jpg
noark-b1-n-nqha-selectguide_533__78947.jpg
Description

Noark UL489 circuit breakers, the B1N (240VAC/60VDC) and B1H (480Y/277VAC) series, are branch circuit breakers available in either standard box terminals or ring-tongue terminals (R suffix). They are designed for branch circuit protection.

B1N series is available up to 63 amp, the B1H series is available up to 32 amp.

The B1N series has standard ratings of 10kA at 240VAC and 10kA at 60VDC (1 pole)/125VDC (2 pole).

The B1H series has standard ratings of 10kA at 480Y/277VAC.

Noark also carries UL1077 circuit breakers, the B1E series, which are designed for supplementary protection.

All NOARK circuit breakers mount on standard 35 mm DIN rail.

Specifications
Alternate Part Number 1000106, *Includes 20% Tariff from Manufacturer
Amp Rating 40 Amp
Circuit Breaker Type UL489
Poles 2 Pole
Series B1N Series (Ex9B1N)
Short Circuit Capacity 10kA
Trip Curve C Curve
All - Voltage 125VDC, 220/240VAC
Warranty 5 Years
Weight 1
Quantity 2

Series Features Include:

  • Complete range of UL 489 listed miniature circuit breakers up to a 63 A current rating
  • Breakers mount on standard 35 mm DIN rail
  • Standard ratings of 10 kA at 240 VAC and 10 kA at 60 VDC (1P) /125 VDC (2P)
  • 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
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