DBL Differential pressure for air Riels® Instruments - 1 Pages

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DBL Differential pressure for air Riels® Instruments

Catalog excerpts

DIFFERENTIAL PRESSURE SWITCHES Differential pressure for air or non-aggressive and non-inflammable gas control Function: Differential pressure for air or non aggressive and non inflammable gases control. Alarm activation at a pre-set value. Applications: Well-suited in domestic, commercial and industrial strong polluted areas in air conditioning and ventilating systems for: - filter monitoring; - correct fan operating control; - low pressure and overpressure monitoring; - deactivating of electrical heaters during air missing. Note Tutti i dati ed i contenuti di questa scheda sono di proprietà esclusiva di Riels Instruments Connector P1 of higher pressure or lower vacuum. Connector P2 of lower pressure or higher vacuum. Connector Ø 6.0 mm for hose PVC 5 x 8 mm. RANGE mbar DIFFERENTIAL mbar 0.3...4.0 (30...400 Pa) 0.15 ± 15% 0.5...5.0 (50...500 Pa) 0.2 ± 15% 0.2...3.0 (20...300 Pa) 0.1 ± 15% 2...10 (200...1000 Pa) 1.0 ± 15% 5...25 (500...2500 Pa) 1.5 ± 15% DBZ-06 - Connection set with 2 PVC duct connectors, 2 m flexible PVC pipe and 4 screws DBZ-14A - Set with mounting bracket and screws DBZ-14B - Set with mounting bracket and screws Technical data Wiring diagram Contact: according to EN 1854 (EN 60730) microswitch with SPDT contacts Switch capacity: 1.5 (0.4) A, 250 Vac Differential mBar: fixed (see schedule) Working temperature: -20...+85°C 10...90% r.h. (without condensing) Diaphragm: silicone (LSR) Storage: -40...+85 ºC < 90% r.h. Housing: PS Protection: IP54, class II Max size Ø 118 x h 57,5 mm Weight: 180…210 g The contact 2 - 3 closes and the contact 1 - 3 opens when the differential pressure rises (fig. 1).

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