Bussmann H4X-02R - 100A, Disconnect Switch

The Bussmann H4X-02R 100A Disconnect Switch delivers safe, reliable electrical isolation for demanding industrial and commercial environments. Engineered to support proper lockout/tagout procedures, this switch provides dependable disconnection under load, helping protect personnel and equipment during maintenance and servicing.

Designed with a rugged NEMA 1 enclosure, the H4X-02R is built to withstand indoor environments where dust and debris are present but exposure to harsh weather is not a concern. It pairs cleanly with standard electrical systems and is ready for integration into service disconnect panels, motor circuits, and feeder lines.

Key specifications

• Amperage rating: 100 A
• Enclosure rating: NEMA 1
• Product type: Disconnect Switch
• Brand: Bussmann
• Model: H4X-02R

What makes the H4X-02R different

• Lockout/tagout readiness: Designed to support safe, compliant maintenance procedures by allowing secure application of lockout devices and tags.
• Load-ready disconnection: Ensures clean isolation even when the circuit is energized, reducing risk during servicing.
• Durable indoor enclosure: NEMA 1 construction guards internal contacts from dust and incidental impact in typical indoor facilities, promoting long service life.

Ideal use cases

• Service disconnects for industrial panels and distribution circuits
• Motor control circuits requiring reliable de-energization during maintenance
• Commercial equipment rooms where consistent isolation is essential for safety and compliance

Why choose Bussmann H4X-02R

Choosing a Bussmann disconnect switch like the H4X-02R means prioritizing dependable performance and straightforward integration. The 100A rating matches common mid-scale load requirements, while the compact interior design supports easy installation into standard enclosures. For facilities aiming to improve electrical safety programs, this switch offers a practical, proven solution that aligns with lockout/tagout workflows and routine safety checks.

Practical tips

• Pair with compatible lockout devices and a verified tagging system to maximize workplace safety during maintenance.
• Schedule periodic inspections to confirm contact integrity and enclosure seals, especially in environments with dust or vibration.
• Document installation details (model, amperage, enclosure type) as part of your facility's electrical safety records.