Dual Pressure Control Switch Refrigeration HP & LP Auto Reset​

Description

Q830 dual pressure switches are for use on commercial refrigeration and air conditioning systems to protect compressor against excessively low suction pressure or excessively high discharge pressure.
Dual pressure switches are compatible with HCFC and non-flammable HFC refrigerants.

Dual Pressure Applications are designed primarily for use as combination high and low pressure controls on commercial refrigeration and air conditioning applications.These controls are available in several pressure ranges and are compatible with most common refrigerants. Ammonia compatible models are also available.

Q830 series dual pressure controls can be not only used in fluorinated refrigerant, but also in the air

and liquid (allowed liquid temp. -20 to 120°C)

Adjustable range and differential settings.

Renovated SPDT micro-switch ensures the reliable switch function.

Flexible mounting bracket suits various kids of application.

Upper lid is optional (IP44)

Various connections are available on request.

Automatic and manual reset version

The material of bellows is copper and pressure interface is brass.

CE approval

Specification

Dimensions(mm)

Electric Wiring

Connection & Installation

Mounting Plate

Nanjing Qiyuan Controls & Equipment Co., Ltd. was found in 1998.

In 2005, the number of the employees increased to more than 100.

In 2006, its manufacturing base was moved to Huai An Industrial Development Zone.

Keram Controls has obtained the investment from Keram Group in 2009.

In 2014, business expands to electrical components and appliance, and changed its name to Keram (Nanjing) Electrical Equipment Co., Ltd.