One Siemens 3LD9250-OCA Disconnect switch as shown.You are buying new unused stock  from our clearance of a major air conditioning  manufacturer. See our other listings for lots more ,, we are happy to combine to save postage.  ..

Siemens  Differential pressure switch.Carries part number QBM81-3New, boxed, unused,, scruffy outre cardboard box. Includes accesory duct probe ??  pipe and mounting bracket.  as shown. Mfr Spec:Type of switch Single-pole change-over, multi-layer contact Contact rating Voltage against earth AC/DC 24 V, t 0.01 A AC 250 V, max. 5 A res. max. 3 A ind., cos M > 0.6 (0.8 A starting current sixfold, cos M > 0.6) Max. AC 250 V Warning No internal fuse External preliminary..