EMAS PSA040MS334S EMAS 40 A 3 POLES MTR CNTRL CAM SWIT. RGHT LFT (1-0-2) 60

EMAS PSA040MS334S EMAS 40 A 3 POLES MTR CNTRL CAM SWIT. RGHT LFT (1-0-2) 60

EMAS PSA040MS334S 40 A three-phase inverter rotary cam switch with 1-0-2 switching sequence and 60° operation designed for industrial motor control applications.

SKU: PSA040MS334SMPN: PSA040MS334S
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Why Choose the EMAS PSA040MS334S Inverter Cam Switch?

The EMAS PSA040MS334S is a reliable industrial rotary inverter cam switch designed for manual control of three-phase motor inverter applications in machinery, automation systems and electrical control panels. As part of the EMAS PSA series cam switch range, it provides dependable switching performance with a robust 64 × 64 mm panel format and compact industrial design.

This motor control cam switch features a 1-0-2 switching sequence with a 60° operating angle, allowing operators to manually select between inverter operating positions. Its durable construction, reliable contacts and precise switching mechanism make it suitable for demanding industrial control applications.

With a rated current of 40 A, three-phase switching configuration and 60° rotary operation, the EMAS PSA040MS334S is ideal for inverter motor control systems requiring dependable manual switching and long service life.

Key Advantages

  • Compact inverter cam switch designed for industrial motor control applications.
  • 40 A current rating suitable for three-phase inverter switching systems.
  • 1-0-2 switching function for flexible motor operation control.
  • 60° switching operation for clear manual position selection.
  • 64 × 64 mm frame size suitable for industrial panel installations.
  • Durable construction with long mechanical and electrical service life.

Key Features

  • EMAS PSA series cam switch.
  • 40 A rated operational current.
  • Inverter switching type.
  • Three-phase switching configuration.
  • 1-0-2 switching positions.
  • 60° switching angle.
  • 64 × 64 mm frame size.
  • AgNi contact material for reliable switching performance.

Reliable Inverter Control for Industrial Systems

Rotary inverter cam switches such as the EMAS PSA040MS334S provide a practical solution for manually controlling motor inverter operating states in industrial electrical systems. Their mechanical switching design enables reliable operation in machinery, automation equipment and electrical control cabinets.

The PSA series is designed for panel builders and industrial automation engineers requiring compact switching devices with dependable performance. The PSA040MS334S combines three-phase inverter control capability, precise switching positions and robust construction for industrial environments.

Typical Applications

  • Industrial motor inverter control panels.
  • Three-phase machinery control systems.
  • Automation equipment and production machinery.
  • Electrical control cabinets.
  • OEM machinery and panel-building projects.
  • Industrial motor switching applications.

Technical Specifications

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Product Series Emas PSA Series
Device Type Cam Switch
IP Rating IP54
Manufacturer EMAS
Series PSA Series
Model PSA040MS334S
Product type Rotary cam switch
Switch type Inverter
Label / positions 1-0-2
Rated current (Ie) 40 A
Pole / phase configuration 3 Phase
Switching angle 60°
Frame size 64 × 64
Usage category AC21A
Insulation voltage (Ui) 690 V
Impulse withstand voltage (Uimp) 4 kV
Protection rating IP54
Contact material AgNi
Operating temperature -25 to +80 °C
Cable section 4 mm²
Mechanical life 100,000 operations minimum
Electrical life 50,000 operations minimum
Short circuit breaking capacity (Ics) 6 kA
Standard TS EN 60947-3

Frequently Asked Questions

What is the EMAS PSA040MS334S used for?

The EMAS PSA040MS334S is an inverter rotary cam switch used for manual switching and control of three-phase motor inverter circuits in industrial applications.

What is the current rating of this cam switch?

The PSA040MS334S has a rated operational current of 40 A.

What switching function does this model provide?

The switch provides a 1-0-2 inverter switching function for selecting motor operating positions.

What is the protection rating of this switch?

The EMAS PSA040MS334S has an IP54 protection rating for industrial installation environments.

Where is the PSA040MS334S typically installed?

The switch is typically installed in industrial control panels, electrical cabinets and machinery control systems.

Trusted by Industrial Automation Professionals

EMAS PSA series cam switches are widely used in industrial control applications to provide reliable inverter switching, manual control and machine operation solutions.