User guide

8-26
Pressure switches
http://products.ecc.emea.honeywell.com/europe
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For overpressure monitoring of steam, hot water, burnable gases, liquid fuels.
Pressure monitor for hot water, steam, gas, fuel (DWR)
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
Sensing element material 1.4104 + 1.4571
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
Mechanical lock/reset with special function possible
Optional functions add the type numbers below to the listed type numbers for extra
functionality as described
• -213: gold-plated contacts, switching capacity: max. 24 Vdc,
100 mA, min. 5 Vdc, 2 mA. And others not available with
adjustable switching difference.
• -301: terminal connection housing, IP65
• -513: Gold-plated contacts, single-pole switch-over.
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
• -574: Normally closed contact with resistance combination for
minimum pressure monitoring. Gold-plated contacts. Housing
with surface protection (chemical version), IP65
• -575: Normally closed contact with reclosing lock-out
resistance combination for minimum pressure monitoring.
Housing with surface protection (chemical version), IP65
• -576: Normally closed contact with resistance combination for
maximum pressure monitoring. Gold-plated contacts. Housing
with surface protection (chemical version), IP65
• -577: Normally closed contact with reclosing lock-out and
resistance combination for maximum pressure monitoring.
Housing with surface protection (chemical version), IP65
Certificates • ID 0000007042 according VdTUEV Memorandum Pressure
100/1, Issue 4.83
• NG-4347AQ1411 according to DIN 3398, Part 3, Issue 11.92
• 3C028/5 according to DIN 3398, Part 4, Issue 10.86
• CE0035BN004 according Directive 97/23/EC (Module B + D)
• SIL2 according IEC 61508