






145,35 €/ pieceexcl. VAT
175,87 €incl. VAT
80 In stock - Estimated delivery date 22.09.2026Live Order Tracking
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Brand | ASCO |
Series | 551 |
Type | 33550 |
Process connection | NAMUR |
Size process connection | 1/4" BSP |
Air supply connection | Internal thread |
Size of air supply connection | 1/4" BSP |
Connection standard air supply | NAMUR (VDI/VDE 3845) |
Connection air exhaust(s) | Internal thread |
Diameter air exhaust | 1/8 BSP |
Function | Mono-stable |
Actuation | Indirect-acting |
Coil type | 400904-542 |
Supply voltage | 24V DC |
Electrical connection | Plug EN 175301-803 type B |
Including plug | Yes |
Power | 2.5 W (hot) - 3 W (cold) |
Orifice | 6 mm |
Kvs value | 0.6 m³/h |
Minimum pressure difference | 2 bar |
Maximum pressure difference | 10 bar |
Housing material | Aluminium |
Material quality | P40 |
Sealing | NBR - PUR |
Material coil housing | Epoxy |
Working time | 100 % |
Level of protection (IP value) | IP65 |
Emergency manual operation | Maintained manual operator |
Explosion-proof | No |
SIL certified | No |
Model | Namur 3/2 or 5/2 way |
Medium temperature | from -25 to 60 °C |
Ambient temperature | From -25 °C to 60 °C |
A | 19 mm |
B | 33 mm |
C | 7 mm |
D | 72 mm |
E | 52 mm |
F | 95 mm |
G | 32 mm |
H | 139 mm |
J | 45 mm |
Weight | 0.5 kg |
3,97 €/ pieceexcl. VAT
4,80 €incl. VAT
181 In stock - Estimated delivery date 22.09.2026