User guide
8-22
Pressure switches
http://products.ecc.emea.honeywell.com/europe
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Pressure switches
For overpressure monitoring of non-aggressive liquids and gaseous media.
Fixed pressure hysteresis
Pressure switch for liquid, gas (DCM)
Kind of pressure overpressure, relative
Pressure connection internal thread G1/4, external thread G1/2
Electrical connection Plug DIN 43650
Protection class IP54
Housing material rugged housing of seawater resistant aluminium die casting GD Al
Si 12.
Media temp. -25 ... 70
o
C
Media temp. limit temperatures up to 85
o
C are allowable for short periods. Higher
temperatures are possible, provided that the limit is safeguarded
by suitable measures (e.g. water tube trap, see Accessories for
Pressure Switches / Transmitters)
Ambient temperature -25 ... 70
o
C
Ambient temp. limit at temperatures below 0
o
C, ensure that no water condensation
can arise in the sensor and in the switching device
Switch function/capacity SPDT Microswitch 250 Vac; capacity 5 A inductive, 8 A resistive
Optional functions add the type numbers below to the listed type numbers for extra
functionality as described
• -301: terminal connection housing, IP65
• -307: two microswitches, switching in parallel or in succession,
fixed switching interval, terminal connection case, IP65
• -217: two microswitches, 1 plug, switching in succession,
adjustable switching interval
• -213: gold-plated contacts, switching capacity: max. 24 Vdc,
100 mA, min. 5 Vdc, 2 mA. And others not available with
adjustable switching difference.
• -351: protection class IP65 and switching housing with surface
protection (chemical version)
• -513: gold-plated contacts, switching differential permanent,
IP65, switching capacity: max. 24 Vdc, 100 mA, min. 5 Vdc, 2
mA; suitable isolating switching amplifier, degree of protection
EEx-i
Pressure adjustment
range
Adjustable switching
differential
Switching differential Max. pressure Sensing element
material
Type
bar bar bar bar
0,04 ... 0,25 – 0,03 6 Copper + Brass
DCM025
0,1 ... 0,6 – 0,04 6 Copper + Brass
DCM06
0,2 ... 1,6 – 0,04 6 Copper + Brass
DCM1
0,2 ... 2,5 – 0,1 16 1.4104 + 1.4571
DCM3
0,5 ... 6 – 0,15 16 1.4104 + 1.4571
DCM6
0,5 ... 6 – 0,25 25 1.4104 + 1.4571
DCM625
1 ... 10 – 0,3 25 1.4104 + 1.4571
DCM10
3 ... 16 – 0,5 25 1.4104 + 1.4571
DCM16
4 ... 25 – 1 60 1.4104 + 1.4571
DCM25
8 ... 40 – 1,3 60 1.4104 + 1.4571
DCM40
16 ... 63 – 2 130 1.4104 + 1.4571
DCM63
0,04 ... 0,25 – 0,03 6 1.4104 + 1.4571
DNM025