General Cam switches Complete switches, A The range K cam switches ( A rating) comprises only complete switches. These products are more specifi cally designed for process control applications: b compact size, b easy to integrate with other Ø Ø mm units, b selection functions. Complete switches Front mounting b switches b stepping switches b reversing switch b changeover switches b voltmeter switches b ammeter switches By Ø. or Ø. mm hole Mounting Ø or Ø hole fixing Locking/unlocking the body-head assembly by spigot Ø hole fixing Ø hole fixing page -EN/ s: page -EN/ page -EN/ -EN_Ver..indd
Characteristics Cam switches Complete switches, A Front mounting by Ø or Ø mm hole With x mm front plate Environment Conformity to stards EN/IEC - EN/IEC -- UL Product certifications culus Protective treatment Stard version: TC Ambient air temperature For operation: - + C For storage: - + C Electric shock protection Class II, conforming to IEC Degree protection Mechanical life IP conforming to IEC (operating head) IP (contact block) million operating cycles Contact block characteristics Rated operational characteristics AC-, A V A V A AC-A, AC- V A Short-circuit protection UL/Canada Heavy Duty A -phase / V. hp / V hp single-phase / V. hp / V. hp AC-A -phase / V. kw single-phase / V. kw / V. kw d.c. current Ie resistive load A cartridge fuse type gg contact V A V. A V. A Conventional thermal current (Ith) A Rated insulation voltage (Ui) V, degree pollution, conforming to IEC - Contact operation Slow break Terminal referencing Conforming to EN Rated impulse withst voltage (U imp) kv conforming to IEC - Electrical reliability Connection Failure rate < fault for million operating cycles (c V PLC inputs) Captive screw clamp terminals Clamping capacity: x. mm page -EN/ s: page -EN/ page -EN/ -EN_Ver..indd
s Cam switches Complete switches, A Front mounting by Ø or Ø mm hole With x mm front plate Switches with switching angle switch poles K BACH K AACH. K BACH. -pole -pole -pole -pole K CACH. K DACH. Stepping switches, single-pole, with switch steps L + K BQCH. L + K CQCH. K DQCH L + K DQCH. page -EN/ page -EN/ page -EN/ -EN_Ver..indd
s (continued) Cam switches Complete switches, A Front mounting by Ø or Ø mm hole With x mm front plate Stepping switches, -pole, with switch steps K DQCH L L + K DQCH. L L + K FQCH. Stepping switches, single-pole, without L K CNCH. L K DNCH. page -EN/ page -EN/ page -EN/ -EN_Ver..indd
s (continued) Cam switches Complete switches, A Front mounting by Ø or Ø mm hole With x mm front plate Stepping switch, -pole, without switch steps L L K FNCH. Changeover switch with spring return to switch poles L L K BTCH. K BTCH page -EN/ page -EN/ page -EN/ -EN_Ver..indd
s (continued) Cam switches Complete switches, A Front mounting by Ø or Ø mm hole With x mm front plate Changeover switches with switch poles K FUCH L/ -pole -pole -pole -pole K BUCH. K DUCH. K FUCH. K HUCH. Changeover switches without L/ -pole -pole -pole -pole K BUCH. K DUCH. K FUCH. K HUCH. page -EN/ page -EN/ page -EN/ -EN_Ver..indd
s (continued) Cam switches Complete switches, A Front mounting by Ø or Ø mm hole With x mm front plate Voltmeter switches For measurements between phases between phase neutral switch L L L N L-L L-N L-L L-N L-L L-N K FMCH. K FMCH V For measurements between phases, with L L L V L-L L-L L-L K DMCH. Ammeter switches For circuits, with K FMCH L L L PE A K FMCH. page -EN/ page -EN/ page -EN/ -EN_Ver..indd
Dimensions Cam switches Complete switches, A Front mounting by Ø or Ø mm hole With x mm front plate Cam switches, A e a a K A, B K C, D K F K H e: support panel thickness. to mm. Ø Ø mm panel cut-outs,,,,,, Convention used for representation Link s (factory mounted) Graphic representation switching s spring return to L L L Contact terminal reference number U V W Contact closed Contact closed in s maintained between the s Angular switch Sealed assembly for auto-maintain control Overlapping contacts page -EN/ page -EN/ s: pages -EN/ to -EN/ -EN_Ver..indd