NanoShield MCB Miniature Circuit Breakers
Compact, DIN-rail-mount circuit protection for branch circuits and control systems.
Overview
The NanoShield MCB line provides reliable overcurrent protection for branch circuits, lighting, receptacles, and control panel applications. Available in B, C, and D trip curves from 0.5 A to 63 A, these miniature circuit breakers mount on standard 35 mm DIN rail and feature quick-connect or box-lug terminals for rapid installation. High short-circuit ratings and compact one-module-per-pole width make them ideal for space-constrained panels.
Key Features
- Trip curves B, C, and D for precise application matching
- 10 kA short-circuit rating at 240 V AC across all ratings
- One module (18 mm) per pole for maximum panel density
- Positive ON/OFF indication and lockout/tagout ring provision
- Bi-directional feed capability (top or bottom entry)
- Snap-on DIN rail mount with integrated busbar compatibility
Technical Specifications
| Specification | Value |
|---|---|
| Current Ratings | 0.5 A to 63 A |
| Voltage Rating | 120/240 V AC single-phase; 240/415 V AC three-phase; 60 V DC per pole |
| Short-Circuit Rating | 10 kA at 240 V AC (UL 489); 6 kA at 415 V AC (IEC 60898) |
| Trip Curves | B (3-5x In), C (5-10x In), D (10-20x In) |
| Poles | 1P, 1P+N, 2P, 3P, 4P |
| Mounting | 35 mm DIN rail (EN 60715) |
| Width per Pole | 18 mm (one module) |
| Operating Temperature | -25 C to +55 C |
| Mechanical Life | 20,000 operations |
| Electrical Life | 10,000 operations at rated current |
Applications
Certifications & Compliance
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