SSE131.09U Siemens Actuator (S55180-A156) ; SSE Series electronic zone valve actuator, 24 Vac, normally closed, 3-Position (floating), fail in place. Works with Siemens 599 Series zone valves with 1/10-inch (2.5 mm) stroke. UL listed for plenum installations, manual override and LED visual position indication.
Technical Specifications
| Actuator Type | Electronic |
| Actuation Style | Linear |
| Fail Safe | No |
| Spring return function | Non-spring return functionality |
| Control Signal | Floating control |
| Positioning time | 40 s |
| Position feedback | None |
| Power consumption | 3 VA, 1.2 W |
| Ambient temperature, operation | 1…50 °C; 34…122 ºF |
| Ambient humidity, operation | 5…95 % r.h. |
| Operating voltage | 24 VAC |
| Supply Voltage | 24 VAC |
| Stroke | 6.5 mm, 0.25 ” mm |
| Stroke, mm | 6.5 mm |
| Auxiliary Switch | No |
| Auxiliary switch | 0 |
| Dimensions (W x H x D) | 4.1 x 3.7 x 1.89 in |
| Degree of protection | NEMA2 |


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