EMAS PSA050KD133S rotary cam switch, a 50 A single pole changeover switch designed for industrial control panels and electrical switching applications.
£36.08
The EMAS PSA050KD133S is a robust and reliable rotary changeover cam switch designed for industrial electrical switching, control panels and automation applications. As part of the proven EMAS PSA Series cam switch range, it provides dependable manual circuit selection with a durable construction suitable for demanding industrial environments.
This cam switch is designed for changeover switching applications, allowing operators to manually transfer between two circuits or operating positions through a precise mechanical selector mechanism. Its compact panel-mounted format makes it suitable for machinery, electrical cabinets and industrial control systems.
With a rated current of 50 A, a single-pole configuration and 1-2 changeover operation with a 60° operating angle, the EMAS PSA050KD133S is ideal for industrial selector switching applications requiring reliable manual circuit control.
Rotary cam switches such as the EMAS PSA050KD133S provide reliable manual control of electrical circuits in industrial installations. The changeover mechanism enables operators to select between different circuit states while maintaining accurate mechanical positioning and dependable electrical performance.
The PSA series combines compact construction, robust materials and proven switching technology to provide long-lasting performance in machinery, control cabinets and automation equipment where reliable switching is essential.
| Manufacturer | EMAS |
|---|---|
| Series | PSA Series |
| Model | PSA050KD133S |
| Product type | Rotary changeover cam switch |
| Rated current (Ie) | 50 A |
| Switch type | Changeover switch |
| Positions | 1-2 |
| Pole configuration | 1 pole |
| Operating angle | 60° |
| Frame size | 64 × 64 mm |
| Usage category | AC21A |
| Insulation voltage (Ui) | 690 V |
| Impulse withstand voltage (Uimp) | 4 kV |
| Protection rating | IP54 |
| Mechanical life | minimum 100,000 operations |
| Electrical life | minimum 50,000 operations |
| Operating temperature | -25 to +80 °C |
| Pollution degree | 3 |
| Contact material | AgNi |
| Standard | TS EN 60947-3 |
The EMAS PSA050KD133S is a rotary changeover cam switch used for manual circuit selection and electrical control in industrial applications.
The PSA050KD133S has a rated current of 50 A.
The switch features a single-pole configuration for changeover switching applications.
The PSA050KD133S provides 1-2 changeover operation with a 60° operating angle.
The switch has an IP54 protection rating suitable for industrial control environments.
EMAS PSA Series cam switches are widely used in industrial automation and electrical control applications where precise switching, durability and reliable operation are essential.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...