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EMAS B101S21 EMAS B SELECTOR SWITCH NON ILLUMINATED 2NO SPRING RETURN (0-1)
Why Choose the EMAS B101S21 EMAS B SELECTOR SWITCH NON ILLUMINATED 2NO SPRING RETURN (0-1)?
£7.41
EMAS B101S21 22mm Selector Switch - 2NO (0-I) 60° Spring Return Control Unit
The EMAS B101S21 is a high-quality 22mm industrial selector switch designed for reliable momentary control applications in automation systems, electrical panels, and machinery interfaces. Featuring a 0-I selector operation, 60° switching angle, spring return mechanism, and two normally open (2NO) contacts, this EMAS B Series control unit provides dependable switching performance for professional industrial environments.
Manufactured by EMAS, the B101S21 selector switch is suitable for machine control panels, motor control systems, industrial automation equipment, and operator stations where momentary selector control is required. Its compact 22mm mounting design, durable construction, and long mechanical operating life make it ideal for demanding industrial applications.
EMAS B101S21 Product Features
- Brand: EMAS
- Model: B101S21
- Product Type: Selector Switch Control Unit
- Series: B Series Plastic
- Mounting Diameter: 22mm
- Operating Type: Spring Return Selector
- Switch Position: 0-I
- Switch Angle: 60°
- Contact Configuration: 2NO (Two Normally Open Contacts)
- Rated Current: 4A at 250V AC
- Usage Category: AC-15
- Mechanical Life: Minimum 500,000 operations
- Electrical Life: Minimum 100,000 operations
- Protection Degree: IP50
- Contact Material: AgNi
- Operating Temperature: -15°C to +80°C
Applications
The EMAS B101S21 selector switch is commonly used in industrial automation panels, machinery control stations, production equipment, motor control systems, electrical cabinets, and operator interfaces requiring momentary selector operation.
Why Choose EMAS B101S21?
The EMAS B101S21 combines reliable switching technology with a rugged industrial design. Its 0-I spring return selector action, 2NO contact arrangement, and standard 22mm mounting compatibility provide a dependable solution for professional control applications.
Technical Specifications
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| Contacts | 2NO | |
|---|---|---|
| Device Type | Selector Switch | |
| Product Series | Emas B Series | |
| Mounting Diameter | 22 mm | |
| Operation | 2 positions – maintained | |
| Illumination | Non-illuminated | |
| Specification Value Product Code | B101S21 | |
| Product Type | Selector Control Unit | |
| Contact Type | 2NO | |
| Operating Position | 0-I | |
| Operating Angle | 60° | |
| Operating Mechanism | Spring Return | |
| Mounting Diameter | 22mm | |
| Rated Current (Ie) | 4A at 250V AC | |
| Insulation Voltage (Ui) | 300V | |
| Impulse Withstand Voltage (Uimp) | 2.5kV | |
| Dielectric Strength | 2500V AC | |
| Short Circuit Breaking Capacity | 1kA | |
| Cable Section | 1.5-2.5mm² | |
| Screw Torque | 1.5Nm | |
| Standards | IEC 60947-5-1, TS EN 60947-5-1, UL 508, VDE 0660 |
Frequently Asked Questions
What is the EMAS B101S21?
The EMAS B101S21 is a 22mm selector switch control unit featuring 0-I operation, 60° switching angle, spring return action, and two normally open contacts.
How many contacts does the EMAS B101S21 have?
The EMAS B101S21 features two normally open contacts (2NO).
What is the mounting diameter of the EMAS B101S21?
The EMAS B101S21 is designed for standard 22mm panel mounting.
Where can the EMAS B101S21 be used?
It is suitable for industrial automation systems, machinery controls, electrical panels, and operator control stations.
