Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
EMAS CM101AA21 EMAS KEY OPE.PUS.BUT.WITH DOUBLE START ROT.0-1 WITH NUT
Why Choose the EMAS CM101AA21 EMAS KEY OPE.PUS.BUT.WITH DOUBLE START ROT.0-1 WITH NUT?
£20.95
EMAS CM101AA21 Key Operated Selector Switch 2NO Spring Return 0-1 22mm IP65
The EMAS CM101AA21 is a CM Series Metal key operated selector switch designed for secure and reliable industrial control applications. Featuring a 0-1 spring return selector mechanism, 2NO (Normally Open) contacts, and a standard 22mm panel mounting diameter, this control unit provides dependable operator switching with key access protection.
Built with a rugged die-cast metal construction and corrosion-resistant chromate plating, the CM101AA21 is engineered for harsh industrial environments. The switch includes key removal at the 0 position, IP65 front protection, and compliance with recognised industrial control standards including IEC 60947-5-1.
Product Features
- Manufacturer: EMAS
- Model: CM101AA21
- Series: CM Series Metal
- Product type: Key operated selector switch
- Operation type: Spring return
- Selector position: 0-1 (60° rotation)
- Contact configuration: 2NO (Normally Open)
- Key removal position: 0
- Mounting diameter: 22mm
- Front protection rating: IP65
- Die-cast metal construction
- Corrosion-resistant chromate plated finish
- Suitable for industrial automation and machine control applications
Applications
The EMAS CM101AA21 key selector switch is commonly used in:
- Industrial automation control panels
- Machine operating stations
- Motor control systems
- Manufacturing equipment
- Electrical cabinets
- Secure operator access applications
Why Choose EMAS CM101AA21?
The EMAS CM101AA21 combines secure key-operated control with durable industrial construction. Its spring return mechanism ensures controlled momentary switching, while the metal body, IP65 protection, and long mechanical life make it suitable for demanding industrial environments.
Technical Specifications
Tick the specs you need, then view products that match.
| Contacts | 2NO | |
|---|---|---|
| Product Series | Emas CM Series | |
| Mounting Diameter | 22 mm | |
| Operation | Spring return (momentary) | |
| Illumination | Illuminated | |
| Device Type | Key Selector Switch | |
| IP Rating | IP65 | |
| Specification Value Product type | Key operated control unit | |
| Model | CM101AA21 | |
| Operation | Spring Return | |
| Selector position | 0-1 | |
| Rotation angle | 60° | |
| Contact type | 2NO | |
| Key removal position | 0 position | |
| Mounting diameter | 22mm | |
| Rated operational 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 |
Frequently Asked Questions
What type of selector switch is the EMAS CM101AA21?
The EMAS CM101AA21 is a key operated spring return selector switch with a 0-1 position configuration.
How many contacts does the CM101AA21 have?
The CM101AA21 features two Normally Open (2NO) contacts.
Where can the key be removed from the CM101AA21?
The key can be removed at the 0 position.
What mounting size is required for the EMAS CM101AA21?
The CM101AA21 is designed for standard 22mm panel mounting.
