SKU
S2A-H

S2A-H - Belimo Add-on auxiliary switch 2 x SPDT

£105.84 £88.20
On request
Next Supplier Stock Update: 18/04/2026
Free delivery over £30
Manuals & Datasheets
 DATA-SHEET 
DATASHEET
 
Product typeAccessory
IP ratingIP54
ManufacturerBelimo

Visit iacs for further details on each part of your ventilation system.

Currently in stock, all Belimo accessories can be delivered for free or in one to two days.

The Belimo S2A-H is a Add-on auxiliary switch 2 x SPDT.

Iacs sells the most affordable Belimo system accessories.

Please see the aforementioned Belimo custom datasheet if you have any questions concerning installation or size. Please email iacs if you need more specialised support.

Features
 

  • Application The auxiliary switches are used to signal positions or to execute switching functions in any are used to signal positions or to execute switching functions in any angular position.

  • Mode of operation A form-fit engagement is created between a driver disc and the spindle clamp (Damper (Damper actuators) or on the position indicator (Rotary actuators), causing the position to be directly  , causing the position to be directlytransferred to the trip cams of the microswitches.The switching points can be freely selected within the specified range of rotation by means of a dial. The current switch position can be read at any time.

  • Installation The auxiliary switches are attached directly to the spindle clamp (Damper actuators) or on the  spindle clamp (Damper actuators) or on theposition indicator (Rotary actuators). The guiding grooves between the housing and the switch  . The guiding grooves between the housing and the switchensure a tightly sealing fit.


•     Functional data Number of switches See «Overview of types»
•     Switching capacity 1 mA ... 3 (0.5) A, AC 250V
•     Switching point Adjustable over the full range of rotation of the actuator (0 ... 1). Can be preset by means of the scale.
•     Connection See «Overview of types»
•     Safety Protection class II Totally insulated 
•     Degree of protection IP54 NEMA2, UL Enclosure Type 2
•     Low-voltage directive CE according to 2006/95/EC
•     Certification Certified to IEC/EN 60730-1 and IEC/EN 60730-2-14 CULus according to UL 60730-1A and UL 60730-2-14, and CAN/CSA E60730-1:02
•     Mode of operation Type 1.B
•     Rated impulse voltage 4 kV
•     Control pollution degree 3
•     Ambient temperature –30 ... +50°C
•     Non-operating temperature –40 ... +80°C
•     Ambient humidity 95% r.h., non-condensating
•     Maintenance Maintenance-free
•     Dimensions / Weight Dimensions See «Dimensions» on page 3
•     Weight S1A: approx. 200 g S2A (GR): approx. 250 g, S2A/300 GR: approx. 520 g
•     Dimensions / Weights see «Dimensions and weights», page 3, S2A/500 GR: approx. 720 g