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Manufacturer
Fema Electronica
Country
Spain
Part number
DWR3
Description
Pressure adjustment range: 0,2...2,5bar Alerton Pressure monitor for hot water, steam, gas, fuel (DWR) For overpressure monitoring of steam, hot water, burnable gases, liquid fuels. Kind of pressure: overpressure, relative Pressure connection: internal thread G1/4, external thread G1/2 Electrical connection: Plug DIN EN 175301 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...70C Media temp. limit: temperatures up to 85 oC 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...70C Ambient temp. limit: at temperatures below 0 oC, 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 Ex-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, Issue 07.2006 and DIN EN 12952-11 and DIN EN 12953-9:2007 TV.DWFS (SDBFS).12-281 according VdTUEV Memorandum Pressure 100, Issue 07.2006 and DIN EN 12952- 11 and DIN EN 12953-9:2007 ID 0000035004 according DIN EN 764-7:2002 and DIN EN 13611:2008 CE-0085CL0343 according to DIN EN 1854, Issue 07.2006 01 202 931-B-11-0003 according Directive 97/23 EC SIL2 according IEC 61508 Fixed pressure hysteresis Pressure adjustment range: 0,2...2,5bar Adjustable switching differential: no Switching differential: 0,1bar Max. pressure: 16bar Allowable max. gas-pressure: 10bar
Stock availability:
On request
Price: On request
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