The A-type spring operating mechanism is suitable for indoor high-voltage SF6 load switches of model FLRN36-12/T100-31.5 and FLN36-12D/630-20, supporting 12kV indoor switchgear.
This mechanism adopts the principle of over-center release of compressed spring. It has three working positions: closing, opening and earthing. It features moderate size, easy installation and strong compatibility.
It supports opening upon fuse melting and allows optional shunt trip coil installation.
This mechanism complies with GB3804-1990 《3~63kV AC High-Voltage Load Switches》 and GB16926-1997 《AC High-Voltage Load Switch-Fuse Combination Apparatus》.
Model Code Explanation
CT□
Operation Mode: S – Manual, D – Motor
Application Type: J – Incoming Switch (FLN36-12), C – Outgoing Switch (FLRN36-12)
Spring Operating Mechanism