Danfoss BCP, BCP1H, BCP2H, BCP3H, BCP4H Data sheet
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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.
Features
Approvals
y Available as high and low pressure limiters as well as
pressure controllers
y Wide pressure range:
from low pressure BCP1 with narrow dierential to high
pressure BCP7
y The fail-safe dual bellows enable premature cut-out when
fault occurs
y DIN plug mounted on the top of control for easy electrical
wiring
y Single-pole changeover switch (SPDT), switch + alarm
CE-marked in accordance with EN 60947-4/-5
VdTŰV-Merkblatt „Druck 100”
TŰV. SDWFS/SDBFS . 15 - 335
y Direct mounting on pressure connection or wall mounting
by means of a bracket
y Versions with automatic and manual resets available
y Screw adjustments made on top of housing
y Manual reset for pressure limiters possible only by means
of tools
y Safety Integrity Level: SIL 2 according to IEC 61508:2010
CE marked in accordance with 2014/68/EU,
category IV, safety equipment, testing basis
pr EN12952-11 and EN12953-9.
IC.PD.P10.1M.02 | 520B7825 | 1© Danfoss | DCS (jmn) | 2017.02
Data sheet | Pressure switch, type BCP
Materials in contact with
media
Technical data
Bellows: stainless steel X2CrNi19-11,
1.4306 acc. to EN 10088-2
Pressure connection: nickel plated free cutting steel or stainless
steel X5CrNi18-10,
1.4301 acc. to EN 10088-2
Media Steam, water, air
Ambient temperature -20 – 70 °C
Media temperature
Enclosure
Up to 120 °C
(Above 120 ˚C a water-filled loop must be installed).
IP65
Type BCP - 2B
Action t ype acc. to EN 60730
Types BCPL/BCPH - 2BDF
Electrical connection Plug DIN 43650, Pg 11
Switch type SPDT, snap action microswitch
Contact material Silver/gold (gold plated silver)
Minimum 1mA, 5V
2
Contact load
Maximum1)
) AC-1: 6A, 250V
3
) AC-15: 1A , 250 V
4)
DC 13 10W, 250 V
Ordering
Expected electrical lifetime Min. 250 000 cycles under full contact load.
1
) If used with current higher than 100mA and voltage higher than 30V
the gold layer will be burnt away 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.
High pressure limiters
Type Range
[bar]
Fixed
Dierential
avg.
[bar]
Reset
Max. operating
pressure
[bar]
Max.
test
pressure
[bar]
Pressure
connection
Code no.
BCP1H 0.1 – 1.1 0.10 Man. 6 7 G 1⁄2 A 017B0030
BCP2H 0.0 – 2.5 0.20
Man.
10 11
G 1⁄2 A
017B0034
BCP3H 0.0 – 6.0 0.40 Man. 16 18 G 1⁄2 A 017B0038
BCP3H 0.0 – 6.0 0.40 Man. 16 18 G 1⁄2 A 017B01381)
BCP4H 1.0 – 10.0 0.45 Man. 25 28 G 1⁄2 A 017B0042
BCP5H 2.0 – 16.0 1.20 Man. 32 35 G 1⁄2 A 017B0046
BCP6H 5.0 – 25.0 1.50 Man. 40 45 G 1⁄2 A 017B0050
BCP7H 10.0 – 40.0 2.30 Man. 63 70 G 1⁄2 A 017B0054
Low pressure limiters
Type Range
[bar]
Fixed
Dierential
avg.
[bar]
Reset
Max. operating
pressure
[bar]
Max.
test
pressure
[bar]
Pressure
connection
Code no.
BCP2L 0.0 – 2.5 0.20 Man. 10 11 G 1⁄2 A 017B0058
BCP3L 0.0 – 6.0 0.40 Man. 16 18 G 1⁄2 A 017B0062
BCP4L 1.0 – 10.0 0.45 Man. 25 28 G 1⁄2 A 017B0066
BCP5L 2.0 – 16.0 1.20 Man. 32 35 G 1⁄2 A 017B0070
BCP6L 5.0 – 25.0 1.20 Man. 40 45 G 1⁄2 A 017B0074
© Danfoss | DCS (jmn) | 2017.022 | IC.PD.P10.1M.02 | 520B7825
Data sheet | Pressure switch, type BCP
Ordering
Pressure controllers
Dierential
Type Range
[bar]
BCP1 0.1 – 1.1 0.15 – 0.6
BCP2 0.0 – 2.5 0.4 – 1.0 Auto 10 11 G 1⁄2 A 017B0006
BCP3 0.0 – 6.0 0.7 – 1.4 Auto 16 18 G 1⁄2 A 017B0010
BCP3 0.0 – 6.0 0.7 – 1.4 Auto 16 18 G 1⁄2 A 017B01101)
BCP4 1.0 – 10.0 1.0 – 2.5 Auto 25 28 G 1⁄2 A 017B0014
BCP5 2.0 – 16.0 2.0 – 3.2 Auto 32 35 G 1⁄2 A 017B0018
BCP6 5.0 – 25.0 2.5 – 4.0
BCP7 10.0 – 40.0 3.0 – 6.0 Auto 63 70 G 1⁄2 A 017B0026
1
) Stainless steel pressure connector
avg.
[bar]
Reset
Auto
Auto
Max. operating
pressure
[bar]
6 7
40 45
Max.
test
pressure
[bar]
Pressure
connection
G 1⁄2 A
G 1⁄2 A
Code no.
017B0002
017B0022
© Danfoss | DCS (jmn) | 2017.02 IC.PD.P10.1M.02 | 520B7825 | 3
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