ENGINEERING TOMORROW Data sheet Pressure switch Type BCP The BCP type is a series of dedicated pressure switches 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. 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 • Safety Integrity Level: SIL 2 according to IEC 61508:2010 CE-marked in accordance with EN 60947-4/-5 VdTOV-Merkblatt „Druck 100" T0V. SDWFS/SDBFS . 15 - 335 CE marked in accordance with 2014/68/EU, category IV, safety equipment, testing basis pr EN12952-11 and EN12953-9.

Materials in contact with Bellows: stainless steel X2CrNi19-11, Pressure connection: nickel plated free cutting steel or stainless ’) If used with current higher than 100mA and voltage higher than 30V 3) AC-15 inductive l°ad like c°il and contactors the gold layer will be burnt away and the unit can't be used at a lower witti, cos9 °3. 4) DC-13 Direct current load. current again. 2) AC-1 Ohmic load, cos^ 1. Ordering High pressure limiters

Ordering Pressure controllers ') Stainless steel pressure connector

Data sheet | Pressure switch, type BCP Design and function Pressure switch, type BCP Reset Version with automatic reset cut-in again automatically when the pressure falls to the set point minus differential. Version with manual reset has to be cut in manually by means of tool. Fail-safe bellows concept BCP 6, BCP 6H, BCP 7, and BCP 7H have a double bellows: an operating bellows (inner) and safety bellows (outer). 1. Main spindle 2. Main spring 3. Differential spindle 4. Differential spring 5. Reset spring 6. Activating arm 7. Bellows 8. Pressure connection 9. Reset push button 10. Differential...

Note: Cut-in and cut-out pressures of the system should always be checked with accurate pressure gauges. Pressure settings for switches (with automatic reset) Set the cut-out pressure on RANGE scale and differential on DIFF. scale. Restart pressure is equal to cut-out pressure minus pre-set differential value. Pressure switches with manual reset High pressure limiters Set cut-out pressure on the RANGE scale. Pressure limiter can only be manually reset by pressing reset button by means of tools when the pressure is equal to or below the cut-out pressure minus value of the differential. Low pressure...

Data sheet | Pressure switch, type BCP Installation in steam systems To protect the pressure element against excessive temperature of the media, above allowable 120 °C the insertion of waterfilled loop is recommended.

ENGINEERING TOMORROW Accessories for BCP pressure switches Mounting bracket, code number 017B1018, for direct mountng on Mounting bracket for T35 mm rail, code number 017B1019 Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfbss reserves the right to alter its products without notice.This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies. Danfoss...