Why Choose the EMAS CM100S21 EMAS CM SELECTOR SWITCH WITH ADAPTER START 0 – 1 SPRING RETURN WITH NUT?
£12.33
The EMAS CM100S21 is a CM Series Metal selector switch designed for dependable industrial control applications. Featuring a 0-1 spring return selector mechanism, a 1NO (Normally Open) contact configuration, and a standard 22mm mounting diameter, this selector switch provides reliable momentary operator control for machinery and automation systems.
Constructed with a durable die-cast metal body and corrosion-resistant chromate plating, the CM100S21 is designed for harsh industrial environments. The IP65 front protection rating provides resistance against dust and water ingress, making it suitable for control panels, OEM machinery, and industrial electrical systems.
The EMAS CM100S21 selector switch is commonly used in:
The EMAS CM100S21 offers a reliable solution for applications requiring momentary selector operation. Its rugged metal construction, spring return mechanism, and IP65 protection provide long-lasting performance in demanding industrial environments. The standard 22mm mounting design allows easy installation into modern control panels.
| Specification Value Product type | Metal selector switch |
|---|---|
| Model | CM100S21 |
| Selector position | 0-1 (60°) |
| Operation type | Spring Return |
| Contact type | 1NO |
| Mounting diameter | 22mm |
| Rated current (Ie) | 4A at 230V AC |
| Utilisation category | AC-15 |
| Mechanical life | Minimum 500,000 operations |
| Electrical life | Minimum 100,000 operations |
| Insulation voltage (Ui) | 300V |
| Impulse withstand voltage (Uimp) | 2.5kV |
| Operating temperature | -15°C to +65°C |
| Protection rating | IP65 |
| Contact material | AgNi |
| Cable section | 1.5 - 2.5mm² |
| Screw torque | 1.5Nm |
| Short circuit breaking capacity | 1kA |
The EMAS CM100S21 is a spring return selector switch with a 0-1 position configuration.
The CM100S21 features one Normally Open (1NO) contact.
The CM100S21 requires a standard 22mm panel mounting hole.
Yes. The CM100S21 features metal construction and IP65 protection, making it suitable for industrial control applications.
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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...