Description
Belimo S2A Auxiliary Switch for Damper and Rotary Actuators
The Belimo S2A Auxiliary Switch isengineered for precise control and reliable performance in damper and rotary actuator applications. With its adjustable switching points and robust construction, the S2A is designed to enhance the functionality of your HVAC system.
Electrical Data
- Auxiliary Switch Type: 2x SPDT, 0...100%, adjustable
- Switching Capacity:
- 1 mA...3 A (0.5 A inductive), DC 5 V...AC 250 V
- 1 mA...0.5 A (0.2 A inductive; L/R = 3.4 ms), DC 5 V...DC 110 V
- Switching Points: Adjustable across the entire range of rotation 0...1 of the actuator.
- Presetting with scale possible.
- Connection: Cable 1 m, 6 x 0.75 mm²
Safety and Certification
- Protection Class (IEC/EN): II, reinforced insulation
- Protection Class (UL): II, reinforced insulation
- Degree of Protection (IEC/EN): IP54
- Degree of Protection (NEMA/UL): NEMA 2
- Enclosure UL: Type 2
- EMC Compliance: CE according to 2014/30/EU
- Low Voltage Directive: CE according to 2014/35/EU
- Certification: IEC/EN 60730-1 and IEC/EN 60730-2-14
- UL Approval: cULus according to UL60730-1A, UL60730-2-14, and CAN/CSA E60730-1
- Hygiene Test: VDI 6022 Part 1 / SWKI VA 104-01, cleanable and disinfectable, low emission
Environmental and Physical Data
- Rated Impulse Voltage: 4 kV
- Pollution Degree: 3
- Ambient Humidity: Max. 95% RH, non-condensing
- Ambient Temperature: -30...50°C [-22...122°F]
- Storage Temperature: -40...80°C [-40...176°F]
- Servicing: Maintenance-free
- Weight: 0.20 kg
Product Features
Operating Mode: A carrier plate adapts to the shaft clamp (damper actuators) or position indication (rotary actuators), transferring the position directly to the switching cams of the micro switches.
Simple Direct Mounting: Attached directly by the shaft clamp or position indication. Guiding grooves ensure a tightly sealing fit.
Application: Used for signaling the position or exercising switching functions in any given angle setting.
Manual Override: Gear train disengages with a holding button, allowing for manual override.
Why Choose Belimo S2A?
Adjustability: Easily adjustable switching points for versatile applications.
Robust Construction: Durable design with high switching capacity ensures long-term reliability.
Easy Installation: Direct mounting and clear operational instructions simplify setup and use.
Certified Safety: Meets stringent international standards for safety and performance.
Maintenance-Free: Designed for continuous, hassle-free operation.
Find more Belimo products and detailed specifications on our website: www.ecospares.co.uk/collections/belimo. For any assistance, feel free to contact us.
