Siemens SS Series Room Actuators Overview
| Valve Product Family | Powermite MZ | Globe Valves | Powermite MT | Globe Valves | ||
| Model | SSB161.05U | SSB131.09U | SSC161.05U | SSC161.35U | SSC131.09U | SSC131.39U |
| Orderable Part Number | S55180-A151 | S55180-A150 | S55155-A110 | S55155-A111 | S55155-A108 | S55155-A109 |
| Replaces Part Number | SSA61U | SSB81U | SSC61U | SSC61.5U | SSC81U | SSC81.5U |
| Valve/Actuator Assembly Prefix | 255 | 254 | 261 | 262 | 259 | 260 |
| Availability | Now | Future | Now | Future | Future | Future |
| Control Signal Type | 0-10V | Floating | 0-10V | 0-10V | Floating | Floating |
| Supply Voltage | AC 24 V (±15%) or DC 24 V (±20%) | AC 24V(+/-20%) | AC 24 V (±15%) or DC 24 V (±20%) | AC 24 V (±15%) or DC 24 V (±20%) | AC 24V(+/-20%) | AC 24V(+/-20%) |
| Fail-in-Place/Fail-Safe | FIP | FIP | FIP | FS | FIP | FS |
| Fail-Safe Stem Position | N/A | N/A | N/A | Up | Up | Up |
| Force | 200N | 200N | 300N | 300N | 300N | 300N |
| Normally Open/Normally Closed | depends on valve | depends on valve | depends on valve | depends on valve | depends on valve | depends on valve |
| Switchable Flow Characteristic (Lin/=%) | N/A | N/A | N/A | N/A | N/A | N/A |
| Position Feedback | No | No | Yes | Yes | No | No |
| Conduit Adapter | Accessory Kit S55845-Z277 (pack of 5) | Accessory Kit S55845-Z277 (pack of 5) | Included | Included | Included | Included |
| Valve Product Family | Zone Valves | ||||||
| Model | SSE161.05U | SSF161.05U | SSE131.09U | SSD161S.05DU | SSD161S.25DU | SSD131.09U | SSD131.29U |
| Orderable Part Number | S55180-A157 | S55180-A158 | S55180-A156 | S55180-A154 | S55180-A155 | S55180-A152 | S55180-A153 |
| Replaces Part Number | SSA61U | SSP61U | SSA81U | SSD61U | SSD61.5U | SSD81U | SSD81.5U |
| Valve/Actuator Assembly Prefix | 245 | 248 | 244 | 231/331 | 233/333 | 230 | 232/332 |
| Availability | Now | Now | Future | Future | Future | Future | Future |
| Control Signal Type | 0-10V | 0-10V | Floating | 0-10V | 0-10V | ||
| Supply Voltage | AC 24 V (±15%) or DC 24 V (±20%) | AC 24 V (±15%) or DC 24 V (±20%) | AC 24 V (±20%) | AC 24 V (±15%) or DC 24 V (±20%) | AC 24 V (±15%) or DC 24 V (±20%) | AC 24V (+/-20%) | AC 24V (+/-20%) |
| Fail-in-Place/Fail-Safe | FIP | FIP | FIP | FIP | FS | FIP | FS |
| Fail-Safe Stem Position | N/A | N/A | N/A | N/A | switchable | N/A | switchable |
| Force | 200N | 200N | 200N | 300N | 300N | 300N | 300N |
| Normally Open/Normally Closed | NC | NO | depends on Y1/Y2 | switchable | switchable | depends on Y1/Y2 | depends on Y1/Y2 |
| Switchable Flow Characteristic (Lin/=%) | N/A | N/A | N/A | Yes | Yes | N/A | N/A |
| Position Feedback | No | No | No | Yes | Yes | No | No |
| Conduit Adapter | Accessory Kit S55845-Z277 (pack of 5) | Accessory Kit S55845-Z277 (pack of 5) | Accessory Kit S55845-Z277 (pack of 5) | Included | Included | Included | Included |
| OEM Specific Bulk Pack Model PN | SSE161.05UG | SSF161.05UG | SSE131.09UG | ||||
| OEM Specific Bulk Pack Orderable PN | S55180-A137 | S55180-A136 | S55180-A142 | ||||
| Replaces | SSA61UG | SSP61UG | SSA81UG |
2024 Apr 16th
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