4 Technical Data Rated Operational Current Multi cross point contacts 1V 6V 12V 24V 48V 110V 240V CA4/CG4 AC21A - - - 10 10 10 10 DC21 B - - - 10 6 0.7 0.2 H-Bridge cross wire contacts CGD4 - 1 AC21A 5 2 1.2 0.7 0.45 0.25 0.15 DC21B 3 1.2 0.7 0.4 0.25 0.13 0.08 CAD11 AC21A 5 3 2 1 0.8 0.4 0.2 DC21B 4 2.5 1.5 0.8 0.3 0.2 0.1 CAD12 AC21A - 5 5 5 4 3 2 DC21B - 4 3 2.2 1.2 0.6 0.3 Special Contact Systems CA4/CG4 (0,5 µm) CAD11/CAD12 / CGD4 - 1 C/CA KG/KH Switches: This durable switch line possesses high short circuit withstand capabilities, with positive movement during both making and breaking functions. The KG/KH range of isolators and changeover switches exhibit excellent AC-3 and AC-23 making and breaking capabilities. A high contact reliability is achieved by the use of multiple crosspoint contacts, having a fourpoint contact face to minimise contact resistance. Terminals on the CA series are accessible from both sides, and the terminals on the CG series are accessible from the rear. Both switches have finger proof terminals.These are the smallest cam switch 30mm sq. H-bridge cross wire contact system. The moving contact is made of spring type material to absorb possible contact bounce. These corrosive resistant contacts are capable of operating on systems voltages as low as 1 volt. CAD11 = Gold contacts. CAD12 = Silver contacts. Both switches have screw driver guides, finger proof terminals and captive plus-minus terminal screws capable of accepting two variant cable sizes. Switches C/CA have finger proof terminals and captive plus-minus terminal screws. Each stage contains two rigid, double-break silver alloy contacts. The terminals are accessible from both sides. Ranging from 20 ~ 315 amperes these switches will accept a wide range of “optional extras”. This ‘Short Form’ catalogue illustrates only a small selection of the KRAUS & NAIMER switches. Other switches available are:- A11, A14, AD11, AD12, CH10 ~ CHR16B, DH, DHR, DK, DKR, L350 ~ L1251,X200 ~ X630. Additional information available on request. G20 (S) DC SWITCHING WITH KNIFE CONTACTS Refer Page 29
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