Description
Terasaki Heavy-Duty Miniature Circuit Breaker
Model: TB-5S | 1-Pole Configuration | 10A | 254-440VAC | BS3871 Compliant
Used Condition
— Genuine premium industrial/marine panel pull. The rugged molded casing, mechanical flip toggle, installation line-side pins, and terminal hardware have been fully cleaned, inspected, and verified for reliable redeployment.
Product Overview
The genuine, Japanese-manufactured Terasaki TB-5S Circuit Breaker is a high-grade electrical safety component purpose-built to deliver dependable overcurrent and short-circuit insulation within demanding industrial, mechanical, and marine environments. Rated for operation inside a wide 254-440VAC framework with a continuous current capacity of 10A, this robust **1-pole (single pole)** device fully complies with classic **BS3871 safety standards**. Known for their exceptional engineering standards and longevity in marine distribution networks, Terasaki breakers isolate electrical faults with absolute thermal-magnetic accuracy, making this compact component an ideal solution for space-restricted sub-panels and system switchboards.
Technical Specifications
| Parameter | Specification Details |
|---|---|
| Brand / Origin | Terasaki (Genuine Made in Japan) |
| Model Identifier | TB-5S |
| Pole Configuration | 1-Pole (Single Pole Circuit Isolation) |
| Rated Current (In) | 10 Amps Continuous |
| Operating Voltage Range | 254V to 440V AC |
| Manufacturing Standard | BS3871 Compliant |
| Chassis Matrix | Molded-Case Thermoplastic Shell with robust arc runners |
| Primary Applications | Marine Switchboards, Plant Auxiliar Control Circuits, Commercial Sub-panel Protection |
Key Features & Architectural Benefits
- Premium Japanese Craftsmanship: Manufactured by Terasaki, an industry-leading global authority on marine and industrial breaker gear, ensuring robust component lifecycle characteristics.
- High-Voltage Single-Pole Mapping: Uniquely rated to handle up to 440VAC lines inside a tight 1-pole form factor, minimizing precious chassis square inches inside dense array boards.
- BS3871 Legacy Compliance: Built to meet rigorous British Standard criteria, ensuring safe, rapid thermal-magnetic trip curves during hazardous overloading conditions.
- Tactile Toggle Action: The center flip lever provides a distinct mechanical lock with highly visible status indicator positioning, giving field engineers rapid confirmation of line status.
Logistics & Commercial Handling
Secure Industrial Packaging: To fully isolate the mechanical switch flip, precise terminal pins, and outer composite frame from transit shock, this premium Japanese circuit breaker is wrapped in high-absorption cushioning film and securely boxed inside a rigid shipping container. Real-time online logistics tracking is generated immediately upon dispatch.
Inquiries: If you need to verify mounting orientation details, request exact physical dimensional drawings for your enclosure, or arrange a combined shipping quote for multiple industrial switchgear pieces, please reach out to us directly through the eBay messaging network.

