40A Knob Control OFF-ON Panel Screw Mounting Isolation Switch

Crafted with YAMING’s premium craftsmanship and advanced technology, the 40A Knob Control OFF-ON Panel Screw Mounting Isolation Switch features built-in anti-accidental operation. Its compact, sleek design makes it ideal for distribution boards, switchgear internal control, and widely used in ventilation, air conditioning and water pump systems.

As a China-based professional manufacturer, YAMING designs this 40A Knob Control OFF-ON Panel Screw Mounting Isolation switch to serve as both an industrial main switch and a safety isolation switch. It boasts extended open-contact insulation distance (surpassing similar products) and integrated finger protection for enhanced safety. Supporting ON/OFF control and emergency stop, it complies with IEC 947-3, DIN VDE 0660 and EN 60947-3 standards, embodying YAMING’s quality commitment as a leading supplier.

Product Features

I. Structure & Design

- Compact, sleek design (easy installation, space-saving)

- Integrated finger protection (safer operation)

II. Applications & Functions

- Suitable for distribution boards and switchgear internal control

- Widely used in ventilation, air conditioning and water pump systems

- Dual-function: industrial main switch + safety isolation switch

- Supports ON/OFF control and emergency stop

III. Performance Advantages

- Extended open-contact insulation distance (superior to similar products)

- High safety & reliability (strict quality control, premium materials)

- Efficient, stable performance (fine craftsmanship + advanced tech)

IV. Compliance

Complies with IEC 947-3, DIN VDE 0660 and EN 60947-3 international standards.

Product Application Scenarios

YAMING’s 40A Knob Control OFF-ON Panel Screw Mounting Isolation Switch is widely applied in fields requiring reliable circuit control and safety isolation:

- Distribution boards and switchgear internal control

- Ventilation, air conditioning and water pump systems

- Industrial equipment main control switch

- High-reliability safety isolation and distribution scenarios

Mounting Methods

YAMING provides multiple mounting options (all factory-produced for consistent quality) to adapt to different environments:

- Type A: Panel-mounted design with padlockable function

- Type B: Base-mounted design with padlock handle & door interlock

- Type C: DIN rail-mounted design with single padlock function

- Type T: Standard panel-mounted version

- Type D: Thermoplastic sealed enclosure (IP65 protection rating)

Brand Commitment

As a seasoned China-based manufacturer and supplier with 30+ years of experience, YAMING adheres to strict quality control. Every switch is crafted for long-term stability and safety, upholding YAMING’s global reputation as a trusted brand.

Technical Parameters