Allen Bradley 140U-H-NH21 SER.A H Frame NFPA Internal Handle Kit 21in

Allen‑Bradley 140U‑H‑NH21 H‑Frame NFPA internal handle kit designed for use with Bulletin 140U molded case circuit breakers, providing a mechanical internal handle mechanism for safe manual operation and control within enclosed panels. Manufacturer: Allen‑Bradley (Rockwell Automation) Product type: Internal handle kit Model: 140U‑H‑NH21 Series: Bulletin 140U Country of manufacture: USA Application: Internal operating handle for molded case circuit breakers Compatibility: Allen‑Bradley 140U H‑frame circuit breakers Handle type: NFPA internal handle mechanism Handle length: 21 inches (approx. 533 mm) Operation: Manual ON/OFF mechanical actuation of breaker Mounting type: Enclosure / panel internal mounting Connection method: Mechanical linkage to breaker operating mechanism Construction material: Steel shaft with industrial-grade handle assembly Finish: Industrial coated metal components Color: Red handle operator (visible in image) Shaft type: Rigid extension shaft Enclosure compatibility: Designed for use inside control panels or switchgear enclosures Door interlock capability: Compatible with door interlock systems (depending on configuration) Adjustment: Field-adjustable shaft length (cut-to-fit typical) Installation: Kit includes handle, shaft, and mounting hardware (as typical configuration) Safety function: Provides safe isolation and manual switching of circuit breaker Operating temperature range: Suitable for industrial environments (typically -25°C to +60°C) Standards compliance: UL, CSA, NFPA compliant for industrial control equipment Protection rating: Depends on enclosure used Weight: approx. 1.0–2.0 kg (kit assembly) Application: Industrial control panels, motor control centers, switchgear assemblies Additional features: Robust construction, long shaft for deep enclosures, reliable mechanical linkage, designed for heavy-duty industrial use

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