Siemens Building Technology 546-00437B Actuator
The Siemens Building Technology 546-00437B is a high-speed 24VAC Lab Electronic Actuator designed specifically for the rigorous demands of critical environments. In laboratory settings where maintaining precise room pressurization and fume hood face velocity is non-negotiable, this actuator delivers the rapid response times required to handle sudden changes in airflow. It is engineered to interface seamlessly with the Siemens APOGEE Automation System, but its versatility allows it to function as a standalone component in various Variable Air Volume (VAV) control schemes. This "actuator only" model offers a 97 lb-in torque rating, ensuring reliable positioning of dampers in terminal units and venturi air valves.
For flexible field integration, the 546-00437B supports multiple control signal protocols. Contractors can utilize standard 0-10Vdc or 4-20mA analog inputs for modulating control or employ a floating (3-position) signal via two digital 24VAC inputs. The internal electronics provide maintenance-free operation and include integral current sensing to protect the motor from stalls. Furthermore, this Siemens 546-00437B actuator is configurable for select rotation angles—45°, 60°, or 90°—and features a manual override for emergency commissioning or troubleshooting in the field.
Key Benefits- Rapid Response Performance: Engineered for high-speed operation essential for fume hood damper control and laboratory safety protocols.
- Universal Compatibility: Accepts industrial standard 0-10Vdc and 4-20mA signals, as well as proprietary Siemens Fume Hood Controller pulsed signals.
- Selectable Fail-Safe: Professional-grade logic allows for "hold in last position" or "fail-safe" (Normally Open/Normally Closed) configurations during power loss.
- Robust Environmental Protection: Designed for an HVAC 24VAC power supply, featuring NEC Class 2 isolation when used with the appropriate interface board.
How do I adjust the rotation angle for 45 or 60 degrees?
The mechanical stroke is adjusted using the clevis pin positions on the crank arm assembly. For specific degree increments, ensure the hitch pin is re-secured according to the Siemens LA 546 series installation guidelines.
What is the power requirement for this actuator?
This model operates on a standard 24VAC power trunk. For optimal performance in a lab environment, use a certified Class 2 power source and 18 AWG or larger wiring to minimize voltage drop.
Can this actuator be used without a Siemens controller?
Yes, while it integrates natively with APOGEE systems, its ability to accept standard 0-10Vdc and 4-20mA analog signals makes it compatible with most third-party HVAC controllers using those industry-standard outputs.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $736.46
-65%$736.46
$257.76Siemens Building Technology 546-00437B Actuator
The Siemens Building Technology 546-00437B is a high-speed 24VAC Lab Electronic Actuator designed specifically for the rigorous demands of critical environments. In laboratory settings where maintaining precise room pressurization and fume hood face velocity is non-negotiable, this actuator delivers the rapid response times required to handle sudden changes in airflow. It is engineered to interface seamlessly with the Siemens APOGEE Automation System, but its versatility allows it to function as a standalone component in various Variable Air Volume (VAV) control schemes. This "actuator only" model offers a 97 lb-in torque rating, ensuring reliable positioning of dampers in terminal units and venturi air valves.
For flexible field integration, the 546-00437B supports multiple control signal protocols. Contractors can utilize standard 0-10Vdc or 4-20mA analog inputs for modulating control or employ a floating (3-position) signal via two digital 24VAC inputs. The internal electronics provide maintenance-free operation and include integral current sensing to protect the motor from stalls. Furthermore, this Siemens 546-00437B actuator is configurable for select rotation angles—45°, 60°, or 90°—and features a manual override for emergency commissioning or troubleshooting in the field.
Key Benefits- Rapid Response Performance: Engineered for high-speed operation essential for fume hood damper control and laboratory safety protocols.
- Universal Compatibility: Accepts industrial standard 0-10Vdc and 4-20mA signals, as well as proprietary Siemens Fume Hood Controller pulsed signals.
- Selectable Fail-Safe: Professional-grade logic allows for "hold in last position" or "fail-safe" (Normally Open/Normally Closed) configurations during power loss.
- Robust Environmental Protection: Designed for an HVAC 24VAC power supply, featuring NEC Class 2 isolation when used with the appropriate interface board.
How do I adjust the rotation angle for 45 or 60 degrees?
The mechanical stroke is adjusted using the clevis pin positions on the crank arm assembly. For specific degree increments, ensure the hitch pin is re-secured according to the Siemens LA 546 series installation guidelines.
What is the power requirement for this actuator?
This model operates on a standard 24VAC power trunk. For optimal performance in a lab environment, use a certified Class 2 power source and 18 AWG or larger wiring to minimize voltage drop.
Can this actuator be used without a Siemens controller?
Yes, while it integrates natively with APOGEE systems, its ability to accept standard 0-10Vdc and 4-20mA analog signals makes it compatible with most third-party HVAC controllers using those industry-standard outputs.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Siemens Building Technology 546-00437B is a high-speed 24VAC Lab Electronic Actuator designed specifically for the rigorous demands of critical environments. In laboratory settings where maintaining precise room pressurization and fume hood face velocity is non-negotiable, this actuator delivers the rapid response times required to handle sudden changes in airflow. It is engineered to interface seamlessly with the Siemens APOGEE Automation System, but its versatility allows it to function as a standalone component in various Variable Air Volume (VAV) control schemes. This "actuator only" model offers a 97 lb-in torque rating, ensuring reliable positioning of dampers in terminal units and venturi air valves.
For flexible field integration, the 546-00437B supports multiple control signal protocols. Contractors can utilize standard 0-10Vdc or 4-20mA analog inputs for modulating control or employ a floating (3-position) signal via two digital 24VAC inputs. The internal electronics provide maintenance-free operation and include integral current sensing to protect the motor from stalls. Furthermore, this Siemens 546-00437B actuator is configurable for select rotation angles—45°, 60°, or 90°—and features a manual override for emergency commissioning or troubleshooting in the field.
Key Benefits- Rapid Response Performance: Engineered for high-speed operation essential for fume hood damper control and laboratory safety protocols.
- Universal Compatibility: Accepts industrial standard 0-10Vdc and 4-20mA signals, as well as proprietary Siemens Fume Hood Controller pulsed signals.
- Selectable Fail-Safe: Professional-grade logic allows for "hold in last position" or "fail-safe" (Normally Open/Normally Closed) configurations during power loss.
- Robust Environmental Protection: Designed for an HVAC 24VAC power supply, featuring NEC Class 2 isolation when used with the appropriate interface board.
How do I adjust the rotation angle for 45 or 60 degrees?
The mechanical stroke is adjusted using the clevis pin positions on the crank arm assembly. For specific degree increments, ensure the hitch pin is re-secured according to the Siemens LA 546 series installation guidelines.
What is the power requirement for this actuator?
This model operates on a standard 24VAC power trunk. For optimal performance in a lab environment, use a certified Class 2 power source and 18 AWG or larger wiring to minimize voltage drop.
Can this actuator be used without a Siemens controller?
Yes, while it integrates natively with APOGEE systems, its ability to accept standard 0-10Vdc and 4-20mA analog signals makes it compatible with most third-party HVAC controllers using those industry-standard outputs.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
