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EMAS B102AA21 EMAS B KEY OPERATED BUTTON 1NO+1NC STABLE (0-1) SPRING RETURN

EMAS B102AA21 EMAS B KEY OPERATED BUTTON 1NO+1NC STABLE (0-1) SPRING RETURN

Why Choose the EMAS B102AA21 EMAS B KEY OPERATED BUTTON 1NO+1NC STABLE (0-1) SPRING RETURN?

SKU: B102AA21MPN: B102AA21
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EMAS B102AA21 Key Operated Selector Switch 1NO+1NC (0-I) 60° Spring Return 22mm

The EMAS B102AA21 is a secure key operated selector switch designed for industrial control panels, automation systems, and machinery applications requiring controlled operator access. Featuring a 1NO + 1NC contact configuration, a spring return mechanism, and key removal at the 0 position, this 22mm EMAS B Series control unit provides reliable switching performance with enhanced operational safety.

Designed with a 0-I 60° selector position, the B102AA21 allows momentary selector operation with automatic return, while the key mechanism helps prevent unauthorised switching. The compact 22mm mounting design makes it suitable for industrial control stations, machinery panels, and automation equipment.

Why Choose the EMAS B102AA21 Selector Switch?

  • Key operated security control: Provides controlled access for industrial switching applications.
  • Spring return operation: Automatically returns to the initial position after operation.
  • 1NO + 1NC contact configuration: Provides flexible switching options for control circuits.
  • Key removal at 0 position: Helps prevent unauthorised operation.
  • 22mm mounting diameter: Fits standard industrial control panel cut-outs.
  • High durability: Designed with a minimum mechanical life of 500,000 operations and electrical life of 100,000 operations.

Key Features of EMAS B102AA21

  • Manufacturer: EMAS
  • Product Series: B Series Plastic
  • Product Code: B102AA21
  • Product Type: Key Operated Selector Switch
  • Selector Operation: Spring Return
  • Selector Position: 0-I (60°)
  • Key Removal Position: 0 Position
  • Contact Configuration: 1NO + 1NC
  • Mounting Diameter: 22mm
  • Rated Current (Ie): 4A at 250V AC
  • Usage Category: AC-15
  • Mechanical Life: Minimum 500,000 operations
  • Electrical Life: Minimum 100,000 operations
  • Protection Rating: IP50
  • Operating Temperature: -15°C to +80°C
  • Contact Material: AgNi
  • Standards: IEC 60947-5-1, TS EN 60947-5-1, UL 508, VDE 0660

Applications

The EMAS B102AA21 key operated selector switch is commonly used in:

  • Industrial automation equipment
  • Machine safety control panels
  • Motor control systems
  • Electrical control cabinets
  • Factory automation installations
  • Operator control stations

Technical Specifications

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Contacts 1NO + 1NC
Product Series Emas B Series
Mounting Diameter 22 mm
Operation Maintained
Illumination Illuminated
Device Type Key Selector Switch
Specification Details Brand EMAS
Model B102AA21
Type Key Operated Selector Switch
Operation Spring Return
Selector Positions 0-I (60°)
Key Removal At 0 Position
Contacts 1NO + 1NC
Mounting Size 22mm
Rated Voltage 250V AC
Rated Current 4A
Insulation Voltage 300V
Protection IP50

Frequently Asked Questions

What is the EMAS B102AA21 used for?

The EMAS B102AA21 is used for secure industrial switching applications including automation systems, machinery control panels, and electrical control equipment.

What type of selector mechanism does the B102AA21 use?

The B102AA21 uses a spring return selector mechanism with key removal available at the 0 position.

How many contacts does the EMAS B102AA21 have?

The EMAS B102AA21 features one normally open contact and one normally closed contact (1NO+1NC).

What mounting size is required?

The EMAS B102AA21 is designed for standard 22mm panel mounting applications.

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