SWITCHES.CROUZET.COM 1 MICROSWITCHES 01/2021 MICROSWITCHES - SEALED, POSITIVE BREAK PBX - 8324 Double-break snap-action mechanism with electrically separated circuits (form Zb) P ositive opening action according to IEC 60947-5-1 Annex K Long o vertravel, also after the positive opening position Protection of mechanism: IP67/IP65, or IP40 with sealed plunger Operating temperature -50 C to +85 C Ratings from 1 mA 4 Vc to 6 A 250 Va - Rating codes: A300, Q150 Very long mechanical life Choice of connections Mounting plates and r oller lever (pre-assembled or retrofittable) cURus and CCC approved - Meet applicable railway standards Main specifications Standard High force Dual-current Dual-current 83240 83242 83244 High force 83245 Degree of protection Connections IP40 W3 (QC 6.3x0.8) 83240000 83242000 83244000 83245000 IP40 W3/90B (QC 6.3x0.8, folded) 83240010 83242010 IP40 W5 (screw + clamp) 83240020 83242020 83244020 83245020 IP40 W5/IP20 (screw + clamp, protected) 83240030 83242030 83244030 83245030 IP67 W3 (QC 6.3x0.8) 83240200 83242200 83244200 83245200 IP67 W3/90B (QC 6.3x0.8, folded) 83240210 83244210 IP67 W5 (screw + clamp) 83240220 83242220 83244220 83245220 IP67 W5/IP20 (screw + clamp, protected) 83240230 83242230 83244230 83245230 Electrical characteristics Positive opening action Rating nominal / 250 Va (A) 6 6 6* 6* Rating nominal / 250 Vc (A) 0.6 0.6 0.6* 0.6* Rating thermal (A) 10 10 10 10 Mechanical characteristics Maximum operating force (N) 4.5 6.5 4.5 6.5 Minimum release force (N) 0.6 2.5 0.6 2.5 Minimum positive opening force (N) 28 28 28 28 Maximum rest position (mm) 8.9 8.9 8.9 8.9 0.25 0.25 0.25 0.25 Operating position (mm) 6.6 6.6 6.6 6.6 Positive opening position (mm) 4.4 4.4 4.4 4.4 Maximum total travel position (mm) 3.4 3.4 3.4 3.4 0.3 0.3 0.3 0.3 Differential travel (mm) 1 1 1 1 Operating temperature (C) -50 +85 -50 +85 -50 +85 -50 +85 7 7 7 7 Mechanical life - IP40 versions (operations) 10 10 10 10 6 6 6 6 Mechanical life - IP67 versions (operations) 4x10 4 x 10 4 x 10 4 x 10 Contact gap (mm) 2 x 1 2 x 1 2 x 1 2 x 1 Weight, terminal versions (g) 22 22 22 22 Additional specifications - Case: PC GF (UL 94-V0 / GWFI 960 C / GWIT 775 C) - Degree of protection: IP65/IP67 or IP40 (mechanism) - Button: PBT GF (UL 94-V0 / GWFI 960 C) - Recommended min actuating speed: 0.1 mm/s - Membrane: silicone rubber - Rated insulation voltage Ui: 400 V - Contacts: silver alloy, micro-profile - Impulse withstand voltage Uimp: 4 kV gold alloy on silver alloy, micro-profile (dual-current) - Pollution degree: 3 - Terminals: brass (silver-plated brass : on request) - Protection against electric shock: Button and actuators of IP67 versions have - Screws: stainless steel reinforced insulation - Levers: stainless steel, polyamide roller - Dimensional conformity: DIN 41636 F - Fire/smoke resistance: EN 45545 - Certification marks: (A300, Q150) / Product adaptations Special connections: W3 QC with specific folding, double QC tabs, W1 screw + washer, W5 without screw, Integral wire lead or cab le outputs, EN 50306 halogen-free versions Special levers: special shapes and lengths AgPd contacts for infrequent switching in corrosive atmospheres up to 1A (83241/83243) Maintained action variant (bistable reset switch), with plunger or lever Two-pole DPDT assemblies with common lever IP40 protective cover/housing on connections Standard product Product made to order Contact us SWITCHES.CROUZET.COM 2 MICROSWITCHES 01/2021 Principles Double break snap-action switch with electrically separated circuits and with positive opening action on NC contacts (21-22) according to IEC 60947-5-1 Annex K Changeover - SPDT (form Zb) 14 13 21 22 Both circuits can be used at opposite polarities Curves Operating curve for category AC15 Operating curve for category DC13 1 1 7 7 10 10 5 5 24/48 V~ 24 V 2 2 6 6 10 10 48 V 125 V~ 5 5 2 125 V ** 2 250 V~ 5 5 10 10 2 2 0,05 0,1 0,5 12 5 0,1 0,5 12 510 Number of operations 1 Current in Amps 2 ** For IP67 versions used in 125 V DC, please consult us. * Models 83244 and 83245 are designed to operate equally well on low-current (1 mA 4 V minimum recommended) or medium to high current circuits. However, a given product should only be used to switch one type of circuit during its working life. Dimensions Product 8324 0,05 4.1 4.6 1 0,15 28 50 0,15 42 2 1 Fixing screw threaded length 2 Fixing nuts 2 x M3 Max. tightening torque of fixing screws: 1.3 N.m on 4.1 holes 0.9 N.m on M3 nuts 3.8 min / 5.1max 0 -0.4 12 2.2 0.1 3.5 Positions 30