VDE ST 1a1b/2a 8A polarized power ST RELAYS relays 2. High switching capability 6. Automatic cleaning possible High contact pressure, low contact The sealed design means that these bounce, and forced separation relays can undergo immersion in structure that radically improves automatic washing systems and are suitable for automatic soldering. Even resistance to contact welding in difcult environments, the contacts (1 Form A 1 Form B type equivalent to remain reliable. TV-3). Strong against lamp inductive 7. Easy to design PC board patterns loads, maximum switching capacity Features 4/10 dual-in-line terminals. has reached 3,040 VA (8A 380V AC). Because the lead spacing has a pitch 3. High breakdown voltage Optimal greater than 7.54 mm .297 inch, for control in 250 V power circuits designers can make easy adjustments High breakdown voltage has been RoHS compliant with the width of the land size. This, achieved. Between contacts and coil of along with the large insulation 3,750 Vrms Surge breakdown voltage distance, simplies the drawing of PC between coil and contact of 6,000 V, board patterns. and between open contacts of 1,200 8. To improve soldering efciency, Vrms mean that these relays are preapplication of solder to the suitable even for 250 V power circuit terminals is recommended. control. 9. Sockets are available. 4. Improved stability Conforms to all types of safety FEATURES standards. 1. Even with small form factor, Insulating distance of more than 3 mm sensitive enough for direct IC- secured. Complies with Japan driving Electrical Appliance and Material The dimensions of this high-density 4- Safety Law requirements for operating gap balanced armature are 31 mm 200 V power supply circuits, and 14 mm 11 mm 1.220 inch .551 inch conforms with UL, CSA and VDE .433 inch. Despite this small size, standards. high sensitivity is achieved by a 5. Latching types available mechanism that incorporates high- In addition to single side stable types, efciency polarized magnetic circuits convenient 2 coil latching types with along with our exclusive spring memory functions are also available. alignment method. With an minimum Moreover, we offer 2 Form A operating power of about 150 mW, specications which, with double pole nominal operating power of 240 mW, switching for applications such as 250 this relay can be directly driven by V power circuit switching, can enable transistor or chip controllers. safer designs. ORDERING INFORMATION ST F Contact arrangement 1: 1 Form A 1 Form B 2: 2 Form A Operating function Nil: Single side stable L2: 2 coil latching Nominal coil voltage DC 3, 5, 6, 9, 12, 24, 48 V Contact material F: AgSnO2 type contact Note: Certified by UL, CSA, VDE and SEV ASCTB210E 201202-T Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/ST TYPES Single side stable 2 coil latching Contact arrangement Nominal coil voltage Part No. Part No. 3V DC ST1-DC3V-F ST1-L2-DC3V-F 5V DC ST1-DC5V-F ST1-L2-DC5V-F 6V DC ST1-DC6V-F ST1-L2-DC6V-F 1 Form A 1 Form B 9V DC ST1-DC9V-F ST1-L2-DC9V-F 12V DC ST1-DC12V-F ST1-L2-DC12V-F 24V DC ST1-DC24V-F ST1-L2-DC24V-F 48V DC ST1-DC48V-F ST1-L2-DC48V-F 3V DC ST2-DC3V-F ST2-L2-DC3V-F 5V DC ST2-DC5V-F ST2-L2-DC5V-F 6V DC ST2-DC6V-F ST2-L2-DC6V-F 2 Form A 9V DC ST2-DC9V-F ST2-L2-DC9V-F 12V DC ST2-DC12V-F ST2-L2-DC12V-F 24V DC ST2-DC24V-F ST2-L2-DC24V-F 48V DC ST2-DC48V-F ST2-L2-DC48V-F Standard packing: Carton: 50 pcs. Case: 500 pcs. * For sockets, see page 113. RATING 1. Coil data 1) Single side stable Nominal operating Nominal coil Pick-up voltage Drop-out voltage Coil resistance Nominal operating Max. applied voltage current voltage (at 20C 68F) (at 20C 68F) 10% (at 20C 68F) power (at 20C 68F) 10% (at 20C 68F) 3V DC 75mA 38 5V DC 47mA 105 6V DC 40mA 150 80%V or less of 10%V or more of 150%V of 9V DC nominal voltage nominal voltage 25mA 360 240mW nominal voltage (Initial) (Initial) 12V DC 20mA 600 24V DC 10mA 2,400 48V DC 4.7mA 9,000 2) 2 coil latching Nominal operating Coil resistance Nominal operating current Nominal coil Set voltage Reset voltage Max. applied voltage 10% (at 20C 68F) power 10% (at 20C 68F) voltage (at 20C 68F) (at 20C 68F) (at 20C 68F) Set coil Reset coil Set coil Reset coil Set coil Reset coil 3V DC 75mA 75mA 40 40 5V DC 45mA 45mA 110 110 6V DC 37.5mA 37.5mA 155 155 80%V or less of 80%V or less of 150%V of 9V DC nominal voltage nominal voltage 25mA 25mA 360 360 240mW 240mW nominal voltage (Initial) (Initial) 12V DC 18.8mA 18.8mA 640 640 24V DC 10mA 10mA 2,400 2,400 48V DC 4.7mA 4.7mA 10,200 10,200 ASCTB210E 201202-T Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/