Push Button Units and Indicator Lights 3SB3 Push Buttons and Indicator Lights, 22 mm General data 7HFKQLFDO VSHFLILFDWLRQV 7\SH 6% 6% - 6% 6% 6% 6% 6% 6% 6% 6% 6% &RQWDFW EORFNV DQG ODPS KROGHUV 6WDQGDUGV IEC 60947-5-1, IEC 60947-5-5, EN 60947-5-1, EN 60947-5-5 &RQQHFWLRQ W\SH Screw terminals Spring-type terminals 5DWHG LQVXODWLRQ YROWDJH 8L For pollution degree according to IEC 60947-1 V 400 Class 3 250 Class 3 400 Class 3 5DWHG LPSXOVH ZLWKVWDQG YROWDJH 8LPS kV 4 4 4 &RQYHQWLRQDO WKHUPDO FXUUHQW ,WK A 10 — 10 U Alternating current 50/60 Hz, AC-12 - At Ue = 24 ... 230 V - At Ue = 400 V A A 10 10 10 — — — U Alternating current 50/60 Hz, AC-15 - At Ue = 24 ... 230 V - At Ue = 400 V A A 6 3 6 4 U Direct current DC-12 - At Ue = 24 V - At Ue = 48 V - At Ue = 110 V - At Ue = 230 V A A A A 10 5 2.5 1 U Direct current DC-13 - At Ue = 24 V - At Ue = 48 V - At Ue = 110 V - At Ue = 230 V A A A A 3 1.5 0.7 0.3 &RQWDFW VWDELOLW\ U Test voltage U Test current V mA Solder pins 250 Class 3 60 Class 3 4 4 1.5 — 10 — 10 10 10 — — — 10 10 — — — — — 6 3 — — 4 — — — 10 — 2 0.5 — — — — 10 5 2.5 1 — — — — 10 5 2.5 1 — — — — 5 — 0.5 0.2 — — — — 3 1.5 0.7 0.3 — — — — 3 1.5 0.7 0.3 — — — — 5 1 — — 5 1 — — 5 1 — — /DPS KROGHUV — BA 9s — BA 9s — Wedge bases /DPSV — Incandescent lamps, glow lamps and LED lamps — Incandescent lamps, glow lamps and LED lamps — Incandescent lamps and LED lamps 5DWHG RSHUDWLRQDO FXUUHQW ,H DW UDWHG RSHUDWLRQDO YROWDJH 8H 6KRUWFLUFXLW SURWHFWLRQ weld-free, acc. to IEC 60947-5-1 U DIAZED fuse links, utilization category gG acc. to IEC 60269-3-1 U DIAZED fuse links, quick according to DIN VDE 0635 U Miniature circuit breaker with C characteristic according to IEC 60898 Dz10 A Dz 16 A A 10 × 106 operating cycles 0HFKDQLFDO HQGXUDQFH (OHFWULFDO HQGXUDQFH U For utilization category AC-15 with 3RT20 15 to 3RT20 26 contactors U With utilization category DC-12, DC-13 6ZLWFKLQJ IUHTXHQF\ 10 10 × 106 operating cycles With direct current it depends on the operational voltage, the breaking current, the circuit inductance and the switching frequency 1/h 'HJUHH RI SURWHFWLRQ acc. to IEC 60529 U Connections U Contact chambers 1000 operating cycles IP20 IP40 7RXFK SURWHFWLRQ according to EN 61140 and BGV A3 — IP40 — IP40 Finger-safe Finger-safe — mm2 mm2 mm2 mm2 — 2× 2× 2× 2× 2 × (0.25 ... 1.5) 2 × (0.25 ... 0.75) 2 × (0.25 ... 1.5) — 2 × AWG 24 ... 16 — — — — — 7LJKWHQLQJ WRUTXH terminal screw Nm 0.8 — — 6ROGHU SLQV mm2 — — 0.8 × 0.8 &RQGXFWRU FURVVVHFWLRQV1) U Finely stranded, without end sleeves U Finely stranded, with end sleeves to DIN 46228 U Solid U Solid with end sleeves to DIN 46228 U AWG cables, solid or stranded 1) (0.5 ... 1.5) (1 ... 1.5) (0.5 ... 0.75) AWG 18 ... 14 — For standard screwdriver size 2 or Pozidriv 2. 10/24 Siemens Industry, Inc. Industrial Controls Catalog Push Button Units and Indicator Lights 3SB3 Push Buttons and Indicator Lights, 22 mm General data 7\SH 6% 6% 6% 6% 6% 6% 6% 6% 6% 6% — 300 — 300 — — 10 — 10 — 'DWD DFFRUGLQJ WR 8/ DQG &6$ 5DWHG RSHUDWLRQDO YROWDJH V AC 300 &RQYHQWLRQDO WKHUPDO FXUUHQW XQLQWHUUXSWHG FXUUHQW A 10 6ZLWFKLQJ FDSDFLW\ A 300, R 300, A 600 same polarity 5DWHG YROWDJH ODPSV U Lamp with BA 9s base V AC — 125 — 125 — — U Lamp with wedge base V AC — 60 — 60 — 60 U Lamp holders with integrated LED V — 24 AC/DC, 110 AC, 230 AC — 24 AC/DC, 110 AC, 230 AC — — 5DWHG SRZHU ODPSV W — 2.5 — 2.5 — 1 7\SH 6% 6% 6% 6% 6% 6% 6% $FWXDWRUV DQG LQGLFDWRUV (QFORVXUH PDWHULDO Plastic 'HVLJQ Round 7HUPLQDO GHVLJQDWLRQ acc. to EN 50013 Identification number on the holder, function digit on the contact block 'HYLFH LGHQWLILFDWLRQ Snap-on label Metal Square Round 7LJKWHQLQJ WRUTXHV U Screw on holder Nm max. 1 0HFKDQLFDO HQGXUDQFH U Push buttons 10 × 106 operating cycles U Illuminated push buttons 3 × 106 operating cycles U Actuators, rotary or maintained 3 × 105 operating cycles 1 × 105 operating cycles U Key-operated switch with key monitoring 6ZLWFKLQJ IUHTXHQF\ 1/h &OLPDWLF ZLWKVWDQG FDSDELOLW\ acc. to EN ISO 6270-2 1 000 operating cycles Climate-proof KTW24; suitable for marine applications $PELHQW WHPSHUDWXUH U During operation, non-illuminated and with LED °C –25 ... +70 U During operation, devices with incandescent lamp °C –25 ... +60 U During storage, transport °C –40 ... +80 'HJUHH RI SURWHFWLRQ acc. to IEC 60529 and NEMA Standards U Actuators and indicators, standard - with protective caps IP66; NEMA Type 1,3,4,4X, 12 IP65; NEMA Type 1,3,4,4X, 12 IP67; NEMA Type 1,3,4,4X, 12 IP67; NEMA Type 1,3,4,4X, 12 IP67; NEMA Type 1,3,4,4X, 12 — U Key-operated switch with key monitoring IP54; NEMA Type 1,3,4,4X, 12 — — U Twin push buttons (3SB31) IP65; NEMA Type 1,3,4,4X, 12 — — 3URWHFWLYH PHDVXUHV Protective measures are met automatically when the actuators Grounding is necessary for and lens assemblies are mounted on metal front plates and operation with protective extraenclosures. low voltage (PELV). When mounted in insulated enclosures, the "total insulation" protective measures are met. 6KRFN UHVLVWDQFH according to IEC 60068-2-27 for half-sine shock type, 11 ms shock duration U Devices without incandescent lamp U Devices with incandescent lamp ≤ 50 g ≤ 30 g 9LEUDWLRQ UHVLVWDQFH acc. to IEC 60068-2-6 U Acceleration at frequency 20 ... 200 Hz 5g 7\SH 6% 6% ³ 6% 6% (QFORVXUHV (QFORVXUH PDWHULDO Plastic Metal $FWXDWRUV DQG LQGLFDWRUV Plastic, round Metal, round 'HJUHH RI SURWHFWLRQ acc. to IEC 60529 IP65 IP67 and NEMA Type 4 5HVLVWDQFH WR H[WUHPH FOLPDWHV acc. to DIN 50017 KTW 24 KTW 24 Siemens Industry, Inc. Industrial Controls Catalog 10/25