FEMA DGM325A

Fixed pressure hysteresis
Pressure adjustment range: 0,04…0,25bar
Switching differential: 10mbar
Max. pressure: 0,8bar
Sensing element material: Copper + Brass

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DGM325A

Alerton Pressure monitor for fuel gases (DGM)

For overpressure monitoring of fuel gases.
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
Media temp.: -25…60C
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…60C
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
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: NG-4346 AP 1011 according DIN EN 1854
CE-0085 AQ 1088 according EU/2009/142/EG (30.11.2009) and DIN EN 1854 (01.07.2006)
SIL2 according IEC 61508

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