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Siemens Actuator: Dampers, Proportional, Non-Spring Return, 221 in-lb, 24V AC/DC - Non-Fail-Safe Actuators
SiemensNon-Fail-Safe Actuators

Siemens Actuator: Dampers, Proportional, Non-Spring Return, 221 in-lb, 24V AC/DC

The Siemens GBB161.1U is a non-fail-safe, proportional damper actuator with a non-spring return design. It delivers 221 in-lb of torque, operates on 24V AC/DC power, and features a self-centering shaft with 90°…

SKU 3G-OTH-67619

Brand
Siemens
Item
Actuator: Dampers, Proportional, Non-Spring Return, 221 in-lb, 24V AC/DC
Category
Non-Fail-Safe Actuators
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Technical Specifications

Siemens
Manufacturer Part Number
GBB161.1U
Type
Proportional, Non-Spring Return, 221 in-lb, Hardwired, NEMA 2 / IP54
AC/DC
24V
Shaft Type
Self-Centering
Power Rating
24VAC/VDC
Input Voltage
24V AC/DC
Output Signal
0 to 10V DC
Plenum Rating
Not Plenum Rated
Stroke Degree
90°
Shaft Rotation
CW/CCW
Auxiliary Switch Included
No
Electrical Connection Type
Hardwired
For Use With Building Automation Systems
Building Automation System Compatible
View Full Spec Sheet

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens GBB161.1U is a non-fail-safe, proportional damper actuator with a non-spring return design. It delivers 221 in-lb of torque, operates on 24V AC/DC power, and features a self-centering shaft with 90° stroke and CW/CCW rotation. This hardwired actuator is compatible with building automation systems and has a NEMA 2 / IP54 enclosure rating.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens non-fail-safe actuators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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