Key Selector 4A with Brass Cylinder | Compact Mechanical Combination Control Switch

Key Selector 4A with Brass Cylinder | Compact Mechanical Combination Control Switch

Type

Key Selector for Rolling Door Motor

Type

Key Selector for Rolling Door Motor

Type

Key Selector for Rolling Door Motor

Warranty

1 Year

Warranty

1 Year

Warranty

1 Year

Application

Door Protection

Application

Door Protection

Application

Door Protection

Place of Origin

China

Place of Origin

China

Place of Origin

China

Brand Name

DEVELOP

Brand Name

DEVELOP

Brand Name

DEVELOP

Material

zinc alloy

Material

zinc alloy

Material

zinc alloy

Key Selector 4A offers up to 1000 mechanical combinations, 16A rated current, and compact aluminum alloy design. With brass cylinder and high insulation, it ensures secure industrial access control.

Key Selector 4A offers up to 1000 mechanical combinations, 16A rated current, and compact aluminum alloy design. With brass cylinder and high insulation, it ensures secure industrial access control.

Key Selector 4A offers up to 1000 mechanical combinations, 16A rated current, and compact aluminum alloy design. With brass cylinder and high insulation, it ensures secure industrial access control.

Durable and Reliable Design

Built with strong materials ensuring long-lasting stability and performance.

Easy Installation Process

Quick setup reduces labor time and improves installation efficiency.

Enhanced Safety Features

Prevents accidental misuse and ensures safe roller shutter operation.

Factory Direct Supply

Manufactured and supplied directly by our factory for better pricing.

Product Overview

This mechanical combination lock box integrates high security, superior electrical performance, and a durable structure. Its compact size allows for flexible installation without compromising core functionality: providing up to 1000 adjustable mechanical code combinations for keyless access control. The product features an aluminum alloy casing, a copper lock cylinder, and a powder-coated panel. Key electrical connections utilize silver-plated contacts and terminals to ensure optimal conductivity. With a 16A rated current, 200MΩ insulation resistance, and 3000V AC dielectric strength, it is a reliable control and security solution designed for demanding environments.

Key attributes


  • Model: 16019-4A

  • Dimensions: L128 x W85 x H42 mm (L12.8W8.5H4.2cm)

  • Combinations: 1-1000 combinations available

  • Rated Load: Maximum operating current: 16A

  • Insulation Resistance: 200 MΩ Min

  • Dielectric Strength: 3000 VAC(50-60HZ)

  • Materials: Aluminum alloy material, Brass cylinder, Metal keys, Powder coating aluminum alloy plate, Silver plated contacts and terminals

  • Additional Features: Terminals and Grounding

Compact and Practical Structure

Compact and Practical Structure

Compact and Practical Structure

Small design fits easily in roller shutter control systems.

Small design fits easily in roller shutter control systems.

Key selector for central motor 16019-2A front view
Key selector for central motor 16019-2A front view
Key selector for central motor 16019-2A front view
Durable 16019-2A key selector switch for central motor
Durable 16019-2A key selector switch for central motor
Durable 16019-2A key selector switch for central motor

Smooth and Secure Operation

Smooth and Secure Operation

Smooth and Secure Operation

Ensures reliable key turning for safe and consistent performance.

Ensures reliable key turning for safe and consistent performance.

Trusted Factory and Supplier

Trusted Factory and Supplier

Trusted Factory and Supplier

Produced by our factory and delivered as a reliable supplier.

Produced by our factory and delivered as a reliable supplier.

Factory-supplied key selector for roller shutter central motor
Factory-supplied key selector for roller shutter central motor
Factory-supplied key selector for roller shutter central motor

FAQs


1. What is the primary application of the Key Selector 4A?
This model is designed for industrial and commercial systems requiring secure keyless access control, electrical isolation, and reliable switching performance in a compact form factor.


2. How does the mechanical combination system work?
The selector provides 1–1000 adjustable mechanical combinations, allowing authorized operation without traditional keys and reducing the risk of loss or unauthorized duplication.


3. What electrical load can this selector support?
Model 16019-4A supports a maximum operating current of 16A, making it suitable for controlling motors, industrial equipment, and power circuits with higher load requirements.


4. How is electrical safety ensured?
The product offers insulation resistance of ≥200 MΩ and dielectric strength of 3000 VAC (50–60Hz), ensuring excellent electrical isolation and compliance with industrial safety standards.


5. What materials are used to ensure durability?
It features an aluminum alloy housing, brass lock cylinder, powder-coated aluminum alloy panel, and silver-plated contacts and terminals for long-term corrosion resistance and stable conductivity.


6. Is the selector easy to integrate into control systems?
Yes. With dedicated terminals and a grounding connection, the Key Selector 4A allows straightforward installation into industrial control panels and access-controlled electrical systems.

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