Siemens LDU 11.523 A27

Valve monitoring system for automatic shut-off valves (leak detector / leak tester).

Technical data:

Mains voltage: AC220...240 V -15%/+10%
Mains frequency: 50 ... 60 Hz ±6%
Power consumption: approx. 3.5 VA during test
during operation approx. 2.5 VA
t3 (filling the test section) = 5s
t4 (emptying the test section) = 5s
Temperature range: -20 ... +60°C
Air humidity: < 95% r.h.
Protection class: IP40 (ensure by installation)
Dimensions: approx. 103 x 103 x 123 (L x W x H in mm)
Weight: approx. 0.94 kg
(Not according to EN 1643!). Supplied without terminal base.