Warom BK8050 Series Control Switches Components for BZC8050 Control Stations

The BK8050 Series is a core control switch component designed by Warom specifically for the BZC8050 Series explosion-proof control stations. It is an independent explosion-proof element, but it must be installed within a suitable increased‑safety enclosure (such as the BZC8050 control station) and cannot be used alone in explosive gas atmospheres.

Product Type: BK8050

Material Enclosure: Plastic

Material Panel: Acrylonitrile-butadiene-styrene (ABS)

Material Seal: Nitrile butadiene rubber (NBR)

Material Rotary actuator: Polycarbonate (PC)

Rated Voltage: AC: 500V, 460V, 440V, 400V, 380V, 230V; AC/DC: 220V, 110V, 48V, 36V, 24V, 12V

Rated Current: Max. 20A

Switch Angle: n x 45°/n x 90°

Ambient Temperature: -20°C~+70°C(ATEX), -60°C~+90°C(IECEx)

Cable Connection: 2.5mm²

Product Type: BK8050

Material Enclosure: Plastic

Material Panel: Acrylonitrile-butadiene-styrene (ABS)

Material Seal: Nitrile butadiene rubber (NBR)

Material Rotary actuator: Polycarbonate (PC)

Rated Voltage: AC: 500V, 460V, 440V, 400V, 380V, 230V; AC/DC: 220V, 110V, 48V, 36V, 24V, 12V

Rated Current: Max. 20A

Switch Angle: n x 45°/n x 90°

Ambient Temperature: -20°C~+70°C(ATEX), -60°C~+90°C(IECEx)

Cable Connection: 2.5mm²

Core Function & Design: Available in two operating modes – latching (maintained) and momentary (spring‑return) . The switching mechanism offers a distinct, crisp feel and precise contact action, effectively reducing contact bounce to ensure stable signals.

Installation & Maintenance: Standardised mounting dimensions and clearly marked terminals enable quick and easy installation inside the control station, helping to reduce on‑site labour costs.

Explosion Protection & Certifications: The products carry international approvals such as ATEX and IECEx, making them suitable for hazardous areas where flammable gases or dust may be present.

Main Technical Parameters:

Explosion mark: Ex db eb IIC Gb (for gas atmospheres)

Rated voltages: AC 500V, 460V, 440V, 400V, 380V, 230V; AC/DC 220V, 110V, 48V, 36V, 24V, 12V

Rated current: Max. 20A

Rotation angle: n × 45° / n × 90°

Ambient temperature: –20°C to +70°C (ATEX) / –60°C to +90°C (IECEx)

Degree of protection: When used with the BZC8050 control station, the complete assembly achieves IP66

BZC8050 Series Explosion‑proof Control Stations

The BZC8050 Series is a range of explosion‑proof control stations produced by Warom. They serve as enclosures for the BK8050 switch components, providing a safe and robust housing.

Enclosure Materials: Multiple material options are available to suit different environments, including stainless steel (SS) , copper‑free aluminium alloy, and glass‑fibre reinforced polyester resin (GRP) .

Function & Suitability: The control stations feature multi‑position, multi‑contact designs, capable of issuing complex command sequences such as "forward‑reverse‑speed control‑stop". They are suitable for field equipment requiring precise process control and can operate reliably in harsh industrial environments.

Main Technical Parameters:

Rated voltage: Max. 500V AC / 220V DC

Rated current: Max. 16A (when used with BK8050 switches)

Degree of protection: IP66

Applications & Certifications: Widely used in heavy industries with explosion hazards, such as oil & gas, petrochemical, and chemical sectors. The products carry international approvals including ATEX, IECEx, and EAC.