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EMAS B101AA31 EMAS B KEY OPERATED BUTTON 2NO (2-0-1) SINGLE SPRING RETURN
Why Choose the EMAS B101AA31 EMAS B KEY OPERATED BUTTON 2NO (2-0-1) SINGLE SPRING RETURN?
£12.87
EMAS B101AA31 Key Selector Switch 2NO (II-0-I) 60° Single Spring Return Removal at 0 Position 22mm Control Unit
The EMAS B101AA31 is a B Series plastic key-operated selector switch control unit designed for industrial automation, machinery control panels, and electrical control applications. Featuring a 2NO contact configuration, II-0-I three-position selector operation, a 60° single spring return mechanism, and key removal at the 0 position, this 22mm selector switch provides secure momentary switching control and helps prevent unauthorised operation.
Manufactured by EMAS, the B101AA31 is designed for reliable industrial performance with durable B Series construction. It features a 4A rating at 250V AC, AC-15 utilisation category, 300V insulation voltage, IP50 protection, and long mechanical and electrical service life, making it suitable for industrial control panels and automation systems.
Product Features
- Brand: EMAS
- Model: B101AA31
- Product Type: Key Operated Selector Switch Control Unit
- Series: B Series Plastic
- Contact Configuration: 2NO (2 Normally Open)
- Selector Positions: II-0-I
- Switching Angle: 60°
- Operation: Single Spring Return
- Key Operation: Yes
- Key Removal Position: 0 Position
- Mounting Diameter: 22mm
- Protection Rating: IP50
- Rated Current: 4A at 250V AC
- Mechanical Life: Minimum 500,000 operations
- Electrical Life: Minimum 100,000 operations
Applications
The EMAS B101AA31 key selector switch is suitable for industrial control panels, machinery automation, electrical cabinets, motor control systems, safety-related switching applications, and installations requiring controlled access operation.
Why Choose EMAS B101AA31?
- Key-operated security to help prevent accidental switching
- Three-position II-0-I selector functionality
- Single spring return operation for momentary control
- Dual normally open contact configuration
- Key removal at the 0 position for controlled access
- Standard 22mm industrial panel mounting design
Technical Specifications
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| Contacts | 2NO | |
|---|---|---|
| Product Series | Emas B Series | |
| Mounting Diameter | 22 mm | |
| Operation | Spring return (momentary) | |
| Illumination | Illuminated | |
| Device Type | Key Selector Switch | |
| IP Rating | IP50 | |
| Specification Details Manufacturer | EMAS | |
| Part Number | B101AA31 | |
| Product Series | B Series Plastic | |
| Switch Type | Key Operated Selector Switch | |
| Selector Type | Single Spring Return | |
| Selector Position | II-0-I | |
| Switching Angle | 60° | |
| Contact Configuration | 2NO | |
| Key Removal | At 0 Position | |
| Contact Material | AgNi | |
| Rated Current | 4A at 250V AC | |
| Usage Category | AC-15 | |
| Insulation Voltage | 300V | |
| Impulse Withstand Voltage | 2.5kV | |
| Operating Temperature | -15°C to +80°C | |
| Protection Degree | IP50 | |
| Mounting Size | Ø22mm | |
| Cable Section | 1.5-2.5mm² | |
| Short Circuit Breaking Capacity | Ics 1kA | |
| Standards | IEC 60947-5-1, TS EN 60947-5-1, UL 508, VDE 0660 |
Frequently Asked Questions
What is the EMAS B101AA31?
The EMAS B101AA31 is a 22mm B Series plastic key-operated selector switch with 2NO contacts, II-0-I selector positions, and single spring return operation.
Is the EMAS B101AA31 a maintained selector switch?
No. The B101AA31 uses a single spring return mechanism, meaning the selector returns after operation.
How many contacts does the EMAS B101AA31 have?
The EMAS B101AA31 features two normally open (2NO) contacts.
When can the key be removed from the EMAS B101AA31?
The key can be removed in the 0 position, helping provide controlled access and secure operation.
