- RZ-24-05“Maximum minimum” – unobtrusive design with promising content! abZ: Z-6.500-2436, aBG: Z-6.510-2435 Release device + power supply RZ-24-05 for hold-open systems. Available as surface-mounted and flush-mounted variant (for cover frames with dimensions 55 x 55 mm).
- RZ-24abZ: Z-6.510-2428, abG: Z-6.500-2436 The Protronic control unit RZ-24 is part of the technically approved hold open system RZ-24-FA. The power supply unit, release device and, depending on the type, the manual release for the hold-open system are integrated in the housing.
- RZ3/4abZ: Z-6.510-2627/-2626, abG: Z-6.500-2612/-2613 The RZ3/4 is a release device with (RZ3) or without (RZ4) integrated energy supply for fire protection and conveyor system closures .