2-DAY $10 SHIPPING OR FREE SHIPPING OVER $250 **shipping policy

Search
•Real time inventory
•Fast and reliable shipping
•Orders before 3pm(PST) ship same day

Noark | Mini Circuit Breaker, 1P, C-Curve, 20A UL489, 277VAC, 10 kA, Box Lug | B1H1C20 | B1H1C20


Mfr. Part #: B1H1C20

20 in stock | Need More? >>


Ships same day with standard 2-day shipping if ordered M-F before 3PM PT.

Pickup Available at Livermore

Single-pole 20A C-curve miniature circuit breaker (MCB) B1H1C20, providing reliable branch circuit protection with 10kA interrupt rating.

Key Features:
• Noark Ex9/B1H Series miniature circuit breaker
• Single pole, C-curve type (tripping at 5–10× rated current)
• 20 A rated current; interrupt rating: 10 kA at 277 VAC / 480 Y VAC
• UL 489 listed, also compliant with CSA C22.2 No. 5 and IEC/EN 60947-2
• DIN-rail mountable (35 mm rail); box lug terminals; toggle lock and LED-style contact indicators
• Compact 18 mm width per pole

Common Applications:
• Branch circuit protection in electrical panels
• Motor control and load circuit safety
• HVAC, PLC I/O, relays, UPS, and instrumentation protection
• General industrial control and automation systems requiring reliable over-current protection

Specification Details
Model B1H1C20
Brand / Series Noark Ex9 / B1H Miniature Circuit Breaker
Poles 1 (Single-pole)
Trip Curve C-curve (≈5–10× In)
Rated Current 20 A
Interrupt Rating 10 kA at 277 VAC / 480Y VAC
Standards / Listings UL 489, CSA C22.2 No. 5, IEC/EN 60947-2
Mounting 35 mm DIN-rail
Terminals Box lug
Module Width 18 mm (per pole)
Typical Applications Branch circuit protection, motor/load circuits, HVAC, PLC I/O, relays, UPS, instrumentation

ID #: 189091

Product Resources

Search

View My Stats