Differential pressure switch / differential pressure controller PREMASREG® DS

Mounting

with mounting ring

Max. pressure

5000 Pa (50 mbar)

Pressure range

high adjustment accuracy due to individual laser-etched scale

for each switch

Pressure range (adjustable)

20… 300 Pa (0.2...3.0 mbar)

Switching capacity (Contact load)

5 (0.8) A, 250 V AC

4 (0.7) A, 30 V DC

Contact

single-pole potential-free changeover contact,

multi-layer contact, gold-plated (DDC compatible)

Media temperature

–30 ...+85 °C

Operating Difference approx.

0.1 mbar ± 15 %

Pressure connection

P1 (+) for higher pressure

P2 (–) for lower pressure

Ø 6.2 mm (nipples)

Measuring range pressure

20...300Pa

Electrical connection

0.14 - 1.5 mm2,

via terminal screws on circuit board

Housing

base: material PC (10 % GF),

colour light grey (similar to RAL 7035),

snap-on lid: material PC, transparent,

cable gland PG 11 with strain relief

Membrane

silicone, LSR (Liquid Silicon Rubber,

tempered at +200 °C, non-outgassing, LABS-free,

no emission of varnish-adhesion inhibiting substances),

long-term stability of switching points

due to trapezoidal bead membranes

Humidity

< 90 % r. H., non-precipitating air

Mounting

by 4-hole base ring, plastic

(included in the scope of delivery),

recommended mounting position:

vertical (pressure connections downward) – factory setting,

horizontal (cap up/ down)

Protection class

II (according to EN 60 730)

Protection type

IP 54 with top cover