Xuzhou Sunwell Power Transmission Machinery Co.,Ltd.

Pressure Switches

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BCP Pressure Controls

The BCP type is a series of dedicated pressure controls for safety and pressure monitoring of steam and hot water boilers.
The BCP incorporates a single-pole changeover microswitch where the contact position depends on the pressure in the connection port and the range set value.
For installations, in which operation is particularly critical for safety reason, the use of fail-safe control is recommended.
Features
• Available as high and low pressure limiters as well as pressure controllers
• Wide pressure range:
from low pressure BCP1 with narrow differential to high pressure BCP7
• The fail-safe dual bellows enable premature cut-out when fault occurs 
• DIN plug mounted on the top of control for easy electrical wiring
• Single-pole changeover switch (SPDT), switch + alarm
• Direct mounting on pressure connection or wall mounting by means of a bracket 
• Versions with automatic and manual resets available
• Screw adjustments made on top of housing
• Manual reset for pressure limiters possible only by means of tools
• Version with gold plated contact for electronic devices
• Safety Integrity Level: SIL 2 according to IEC 61508:2010
For more information, please click the link below:
BCP Pressure Controls
Media Steam, water, air
Ambient temperature -20 to 70 ˚C
Media temperature up to 120 ˚C (Above 120˚C a water-filled loop
must be installed)
Enclosure IP 65
Action type acc. to EN 60730 BCP-2B
BCPL/ BCPH-2BDF
Electrical connection
Plug, DIN 43650, Pg 11
Switch type SPDT, snap action microswitches:
type A and type B
Contact material: Type A: Silver/ gold (Au plated Ag)
Type B: Silver (AgCdO)
Contact load BCP type A (silver/ gold contact)
Minimum: 4mA, 5V
Maximum: 1) AC-1: 6A, 250V
2)AC-15: 1A, 250 V
3)DC 13 10W, 250 V
Contact load BCP type B (silver contact)
Minimum: 500 mA, 24V
Maximum: 2) AC-1:10A, 250V
2) AC-15: 2A, 250V
3) DC 13: 50W, 250V
Expected electrical lifetime Min. 250 000 cycles under full contact load
1) If used with current higher than 400mA the gold will disappear and the unit can’t be used at a lower current again.
2) AC-1 Ohmic load, cosφ 1
3) AC-15 inductive load like coil and contactors with, cosφ 0.3
4) DC-13 Direct current load