These ergonomic collet knobs fit rotary
potentiometers or rotary pulse generators with round shaft ends (DIN 41591). They are ideal for measuring and control, healthcare, HVAC, communications, building management and Smart Factory technology. STAR-KNOBS feature click rotation and push
for ‘OK’ functionality. They are comfortable to operate; the surface-mount version tapers slightly towards the inner axis. All the knobs can be specified with/without knurls and/or a finger recess in the cover. Both versions offer optional LED illumination. Flush-fitting knobs can be specified with a ring that lights up between the recess and the knob cover. The surface-mount version sits on a 3mm high ring that can be illuminated. Two sizes are available: ø 33mm and ø 41mm.
Each unit comprises three parts: an assembly kit, a knob and a cover. They are moulded from PA 6 and PC (UL 94 HB). The standard colours are volcano, nero, diamond, emerald and sapphire. Two 5V energy-saving SMD LED illumination
kits (accessories) are available, either white or RGB. Other accessories include assembly supports, round nuts and a box spanner. OKW can supply STAR-KNOBS fully
customised. Services include: CNC machining,
They are UL and cUL Listed and have been independently tested to IP66,
The 18 sizes range from 50 x 45 x 30mm to 223 x
147 x 83mm, with the lids thickness ranging from 5mmto 33mm in depth, depending on the size. The tongue and groove design and a pre-formed one- piece silicone rubber gasket gives the IP68 environmental protection, so the enclosures are ideal for installation in environments where dust and water will be present.
IP67 and IP68 and they are also rated to NEMA Type 4, 4X, 12 and 13. All sizes except the smallest have an impact rating of IK08, defined in IEC 62262 as the equivalent to the impact of a 1.7kg mass dropped from 300mm above the impacted surface. Depending on the size, the lid is secured to the base with either two, four
or six stainless steel Philips machine screws located outside the gasketed area, giving repeated access without degrading the environmental protection. They are available in a natural finish or with a tough polyester black powder finish to both the outside and inside of the enclosure. Clear areas in the painted versions are provided around the grounding points.
lacquering, printing, laser marking and installation/assembly of accessories.
1550ZF IP68 flanged die-cast aluminium Learn more:
hammondmfg.com/1550zf
uksales@hammondmfg.com • 01256 812812 31
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