EMAS PSA025MS182S motor start rotary cam switch, a 25 A single phase 1-0-2 spring return switch designed for industrial motor control applications.
£27.19
The EMAS PSA025MS182S is a robust and reliable motor start rotary cam switch designed for manual motor control applications in industrial machinery, automation systems and electrical control panels. As part of the trusted EMAS PSA series, this compact switch provides dependable spring return motor starting control with durable mechanical construction and reliable electrical performance.
This cam switch is designed for applications requiring momentary motor start operation with automatic return to the off position. Its compact 48 × 48 mm frame design enables straightforward installation in machine panels, electrical cabinets and industrial automation systems. The PSA025MS182S features a 1-0-2 motor start configuration with spring return operation for controlled motor starting applications.
With a rated current of 25 A, a single-phase 1-0-2 motor start switching configuration and a 30°-60° operating angle, the EMAS PSA025MS182S is suitable for manual motor starting applications requiring reliable and precise operator control.
Rotary cam switches such as the EMAS PSA025MS182S provide a practical solution for manually controlling motor starting sequences in industrial equipment. The spring return mechanism ensures the switch returns to its normal position after operation, helping provide controlled and reliable motor starting.
The PSA series is designed for machine builders, electrical panel manufacturers and automation engineers requiring compact, durable and easily integrated switching components. Its precise mechanical operation and robust construction make it suitable for demanding industrial environments.
| Manufacturer | EMAS |
|---|---|
| Series | PSA Series |
| Model | PSA025MS182S |
| Product type | Rotary cam switch |
| Switch type | Motor Start |
| Rated current | 25 A |
| Poles / phases | 1-phase |
| Switch positions | 1-0-2 |
| Switching angle | 30°-60° |
| Frame size | 48 × 48 mm |
| Usage category | AC21A |
| Insulation voltage | 690 V |
| Impulse withstand voltage | 4 kV |
| Protection rating | IP54 |
| Contact material | AgNi |
| Cable section | 1–2.5 mm² |
| Operating temperature | -25 to +80 °C |
| Mechanical life | minimum 100,000 operations |
| Electrical life | minimum 50,000 operations |
| Short circuit breaking capacity | 6 kA |
| Standard | TS EN 60947-3 |
The EMAS PSA025MS182S is a motor start rotary cam switch used for manual motor starting control in industrial machinery and electrical panels.
The switch has a rated operational current of 25 A.
The switch provides a 1-0-2 motor start switching configuration with spring return operation.
Yes, the PSA025MS182S features a spring return mechanism for controlled motor starting applications.
The switch is typically installed in electrical control panels, machine cabinets and industrial automation systems.
EMAS PSA series cam switches are widely used in industrial automation and electrical control systems where reliable manual switching, compact installation and durable performance are required.
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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...