EMAS PSA040AK131S EMAS 40 A 1 POLE ON-OFF CAM SWIT. (0-1) 60

Q: What is the current rating of this cam switch?

The PSA040AK131S has a rated current of 40 A.

Q: How many poles does the switch have?

This cam switch features a single-pole (1 pole) switching configuration.

Q: What switching positions does this model provide?

The switch provides a 0-1 operating arrangement for on and off control.

EMAS PSA040AK131S on-off cam switch, a 40 A single-pole rotary switch designed for manual electrical circuit switching applications.

SKU: PSA040AK131SMPN: PSA040AK131S

List Price £23.21 ex VAT

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Manufacturer Lead Time

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Why Choose the EMAS PSA040AK131S On-Off Cam Switch?

The EMAS PSA040AK131S is a robust single-pole rotary cam switch designed for reliable manual on-off switching in industrial electrical panels, machinery and automation systems. As part of the EMAS PSA series rotary cam switches, it provides dependable mechanical operation, compact installation and long service life for industrial control applications.

This switch features a simple 0-1 on-off switching configuration, allowing operators to manually isolate or energise electrical circuits through a durable rotary mechanism. Its compact design and positive switching action make it suitable for a wide range of industrial electrical control applications.

With a 40 A rated current, single-pole configuration, 0-1 switching arrangement and 60° switching angle, the EMAS PSA040AK131S provides a practical solution for manual circuit isolation and switching applications.

Key Advantages

Reliable on-off rotary cam switch for industrial applications.
40 A current rating suitable for industrial switching circuits.
Single-pole design for simple circuit control.
0-1 switching function for manual on-off operation.
60° switching angle for clear rotary operation.
Compact design for electrical panels and industrial equipment.

Key Features

EMAS PSA series rotary cam switch.
40 A rated current.
1-pole switching configuration.
0-1 on-off selector operation.
60° rotary switching angle.
64 × 64 mm frame size.
AgNi contact material for reliable switching performance.
Suitable for industrial automation and electrical control equipment.

Reliable Manual Switching for Industrial Systems

Rotary cam switches such as the EMAS PSA040AK131S provide a simple and effective method of manually controlling electrical circuits. The mechanical selector mechanism enables operators to switch equipment between defined operating states without additional control electronics.

The PSA series is designed for industrial environments where reliability, compact installation and long service life are required. The PSA040AK131S is suitable for integration into electrical control panels, machinery and automation equipment.

Typical Applications

Industrial control panels.
Electrical circuit isolation and switching.
Machinery control systems.
Automation equipment.
Distribution and control cabinets.
OEM machine building applications.

Technical Specifications

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Operation	2 positions
Device Type	Cam Switch
Product Series	Emas PSA Series
IP Rating	IP54
Manufacturer	EMAS
Series	PSA Rotary Cam Switches
Model	PSA040AK131S
Product type	Rotary cam switch
Rated current	40 A
Number of poles	1 pole
Switching positions	0-1
Switch type	On-Off
Switching angle	60°
Frame size	64 × 64 mm
Usage category	AC21A
Insulation voltage	690 V
Impulse withstand voltage	4 kV
Short circuit breaking capacity	6 kA
Protection rating	IP54
Mechanical life	minimum 100,000 operations
Electrical life	minimum 50,000 operations
Contact material	AgNi
Operating temperature	-25 to +80 °C

Frequently Asked Questions

What is the EMAS PSA040AK131S used for?

The EMAS PSA040AK131S is an on-off rotary cam switch used for manual switching and isolation of electrical circuits in industrial applications.

What is the current rating of this cam switch?

The PSA040AK131S has a rated current of 40 A.

How many poles does the switch have?

This cam switch features a single-pole (1 pole) switching configuration.

What switching positions does this model provide?

The switch provides a 0-1 operating arrangement for on and off control.

Where is this switch typically installed?

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

Trusted by Industrial Automation Engineers

EMAS PSA series cam switches are widely used in industrial control applications where reliable manual switching, compact installation and long service life are required.

Operation	2 positions
Device Type	Cam Switch
Product Series	Emas PSA Series
Manufacturer	EMAS
Series	PSA Rotary Cam Switches
Model	PSA040AK131S
Product type	Rotary cam switch
Rated current	40 A
Number of poles	1 pole
Switching positions	0-1
Switch type	On-Off
Switching angle	60°
Frame size	64 × 64 mm
Usage category	AC21A
Insulation voltage	690 V
Impulse withstand voltage	4 kV
Short circuit breaking capacity	6 kA
Protection rating	IP54
Mechanical life	minimum 100,000 operations
Electrical life	minimum 50,000 operations
Contact material	AgNi
Operating temperature	-25 to +80 °C
IP Rating	IP54

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