Noark Circuit Breakers
NOARK Miniature Circuit Breakers – Core Protection for DIN Rail
Miniature circuit breakers (MCBs) are the first line of defence for branch circuits. NOARK offers DIN-rail-mounted MCBs like the B1H and B1N series with ratings from 0.5 A up to 63 A, interrupting capacities up to 10 kA and compliance with IEC/EN 60898-1. These devices mount on standard 35 mm rails, occupy just 18 mm per pole and are backed by a typical five-year limited warranty.
For procurement: check the trip-curve (B, C or D), pole count (1, 2, 3, 4-pole), selectivity downstream, and spare-parts evolution across builds. A mis-matched breaker often leads to nuisance trips or insufficient protection.
NOARK Surge Protection & Modular Protection Units
Over-voltage transients and surge events can damage electronics even when the breaker is intact. NOARK provides surge-protective devices (SPDs) integrated as modular units that clip onto DIN rails, offering protection for lighting, control circuits and data lines.
In practice: specify the maximum discharge current (e.g., 20 kA) and the let-through voltage (UL 1449/IEC 61643-11), check whether the module logs status (remote contact) and ensure the DIN rail bus supports the footprint. Skipping these leads to hidden risk in automation systems.
NOARK DIN-Rail Breakers and Switch-Disconnect Devices
Beyond miniature MCBs, NOARK’s range includes DIN-rail breakers and switch-disconnect modules for higher ratings. The Ex9M series and associated devices cover higher currents and functional disconnection needs. When building panels, combining DIN-rail breakers with switch-disconnects at the same footprint simplifies wiring and maintenance.
Look for features such as front-mounted rotary handles, padlock provisions, auxiliary contacts and compliance with UL 489 or IEC 60947-3 depending on region.
NOARK Modular Fuses & Fuse-Holder Systems
In addition to breakers, NOARK supports fuse-based protection with DIN-rail fuse-holders for specialised loads or selectivity schemes. The manufacturer catalog states holders mount directly on 35 mm rails and permit rapid replacement.
Choose these when loads fluctuate sharply or when selective isolation without full disconnection is required. Also ensure coordination between fusible links and breakers upstream for fault-clearing hierarchy.
Specification Checklist for Panel Builders and Procurement
When selecting breakers and modular protection devices, make sure to verify:
- Rated current (In) and breaking capacity (Icn): MCBs may be rated at 10 kA; bigger breakers or MCCBs handle 50–100 kA.
- Trip-curve type and application: B-curve for lighting/small loads, C/D for motors or inductive loads.
- Compliance standards: IEC 60898-1, IEC 60947-2, UL 489, etc.
- Mounting and modularity: Are devices compatible with existing rail footprint and accessories?
- Spare-parts strategy: Use one product family across lines for fewer SKUs, simpler training, and faster field replacements.
Ignoring one of these items often leads to BOM mismatches, installation delays, or service complexity.
Why Standardising on NOARK Delivers Operational Stability
Panels built with NOARK breakers and modular devices benefit from predictable performance, consistent mechanical footprint and extended support over product lifecycles. Panel-builders report fewer mis-fits, downstream modules align precisely and maintenance teams can rely on consistent replacements. In a typical automation line upgrade, standardising on one breaker family helped reduce spare-part types by nearly 40 % and improved panel build-time by ~15 %.
Supply & Wholesale Support Through Bank of Lamps
Bank of Lamps provides full availability for NOARK breakers and DIN-modular devices—from MCBs and RCDs to SPDs, DIN-rail breakers and modular fuses. Whether you’re ordering 10 pieces or 1 000, our service is built for B2B convenience.
Key Procurement Support Features
- Individual B2B pricing tailored for your project size and recurring orders
- A dedicated account manager with technical and logistic knowledge
- Real-time stock visibility across our warehouse and partner network
- Quote turnaround typically within one hour
- Ordering by EAN/MPN lists for accuracy and speed
- Downloadable price lists and technical datasheets for procurement teams
Transparent lead-time tracking from order to dispatch