Shenzhen Jiwei Automations Ltd.
Address：5th Floor, Baoli Building, No. 3162 Longgang Avenue, Shenzhen, P. R. China.
Tel：+86 755 28407683
SW-21 Compact Magnetic Switch
Same as SW-11 Magnetic Switch, SW-21 is also an ideal accessory when combines with Flap-11 Magnetic Level Indicator, so that the Magnetic Level Indicator can realize the remote alarm function.
● Designed in a compact lightweight structure, with size of 35mm in width and 120mm in length
● Adopted high-power reed of international well-known brand
● Made of 304 stainless steel
● Flame-proof with Ex d IIC T6 and Intrinsically-safe with Ex ia IIC T6
● Ingress Protection Level: IP66/67
The compact and lightweight designs are the most prominent features of SW-21 Compact Magnetic Switch (with size of 35mm in width and 120mm in length). SW-21 is with dual explosion-proof certifications (Flame-proof with Ex d IIC T6 and Intrinsically-safe with Ex ia IIC T6), and the core component uses the high-power reed of international well-known brand. The product applied for an utility patent (NO. 201821348285.8).
SW-21 Compact Magnetic Switch is designed with single-pole double-throw (SPDT) type, provides three types output of SPDT closure & disconnection, initial disconnection/closure hold and initial closure/disconnection hold, used for high alarm type (anti-overflow) or low alarm type (anti-rotation).