20.21.8.110.4000

20 Series - Modular step relays 16 A Features 20.21 20.22, 24, 26, 28 20.23 1 or 2 Pole 16 A Step relays for direct 35 mm rail (EN 60715) mounting 17.4 mm wide Test button with mechanical indicators • Choice of 6 switching sequences • AC coils and DC coils • Identification label • Possible to connect illuminated push buttons with the additional part 026.00 • 35 mm rail (EN 60715) mount • Cadmium free contact material • • • Single phase switch 1 NO • Double phase switch • Double phase switch • 35 mm rail (EN 60715) mount 1NO+1NC (SPST-NO+SPST-NC) (SPST-NO) • 35 mm rail (EN 60715) mount • 35 mm rail (EN 60715) mount FOR UL HORSEPOWER AND PILOT DUTY RATINGS SEE “General technical information” page V Contact specification Contact configuration Rated current/Maximum peak current A Rated voltage/Maximum switching voltage V AC Rated load AC1 VA Rated load AC15 (230 V AC) VA Nominal lamp rating:incandescent (230 V) W compensated fluorescent (230 V) W 1 NO (SPST-NO) 2 NO (DPST-NO) 1NO+1NC (SPST-NO+SPST-NC) 16/30 16/30 16/30 250/400 250/400 250/400 4,000 4,000 4,000 750 750 750 2,000 2,000 2,000 750 750 750 uncompensated fluorescent (230 V) W 1,000 1,000 1,000 halogen (230 V) W 2,000 2,000 2,000 1,000 (10/10) 1,000 (10/10) 1,000 (10/10) AgNi AgNi AgNi Minimum switching load mW (V/mA) Standard contact material Coil specification Nominal voltage (UN) V AC (50/60 Hz) Rated power AC/DC VA (50 Hz)/W V DC Operating range 8 - 12 - 24 - 48 - 110 - 120 - 230 - 240 12 - 24 - 48 - 110 12 - 24 - 48 - 110 12 - 24 - 48 - 110 6.5/5 6.5/5 6.5/5 AC DC (0.85…1.1)UN (50 Hz)/(0.9…1.1)UN (60 Hz) (0.9…1.1)UN (0.9…1.1)UN (0.9…1.1)UN cycles 300 · 103 300 · 103 300 · 103 cycles 3 3 100 · 103 Technical data Mechanical life AC/DC Electrical life at rated load in AC1 Insulation between coil and contacts (1.2/50 µs) kV Protection category 100 · 10 0.1s/1h (according to EN 60669) 0.1s/1h (according to EN 60669) 0.1s/1h (according to EN 60669) Minimum/Maximum impulse duration Ambient temperature range 100 · 10 °C 4 –40…+40 IP 20 4 4 –40…+40 –40…+40 IP 20 IP 20 Approvals (according to type) 1 20 Series - Modular step relays 16 A Ordering information Example: 20 series relay, 35 mm rail (EN 60715) mount, double phase switch, 2 NO (DPST-NO) 16 A contacts, coil rated at 12 V DC, AgSnO2 contacts. 2 0 . 2 2 . 9 . 0 1 2 . 4 0 0 0 Contact material 0 = AgNi standard 4 = AgSnO2 Series Type 2 = 35 mm rail (EN 60715) mount No. of poles 1 = Single phase switch 1 NO (SPST-NO) 2 = Double phase switch 2 NO (DPST-NO) 3 = Double phase switch 1 NC+1 NO (SPST-NO+SPST-NC) 4 = 4 sequence double phase switch 2 NO (DPST-NO) 6 = 3 sequence double phase switch 2 NO (DPST-NO) 8 = 4 sequence double phase switch 2 NO (DPST-NO) Coil voltage See coil specifications Coil version 8 = AC (50/60 Hz) 9 = DC Technical data Insulation Dielectric strength between supply and contacts V AC 3,500 between open contacts V AC 2,000 between adjacent contacts V AC 2,000 Other data Power lost to the environment with rated current and coil deenergised W 1.3 (20.21, 20.23, 20.28) 2.6 (20.22, 20.24, 20.26) Screw torque 0.8 Nm 0.8 Coil terminals Max. wire size 2 mm Contact terminals solid cable stranded cable 1x4 / 2x2.5 1x2.5 / 2x2.5 1x6 / 2x4 1x4 / 2x2.5 1x14 / 2x14 1x10 / 2x12 1x12 / 2x14 AWG 1x12 / 2x14 solid cable stranded cable If the coil is operated for a prolonged period of time, adequate ventilation of the relays must be provided - suggested gap of 9 mm between adjacent relays. Coil specifications DC version data Nominal voltage UN V 12 24 48 110 Coil code 9.012 9.024 9.048 9.110 Operating range Umin V 10.8 21.6 43.2 99 Umax V 13.2 26.4 52.8 121 Resistance Consumption I at UN R Ω mA 27 440 105 230 440 110 2,330 47 AC version data Nominal voltage UN V 8 12 24 48 110 120 230 240 2 Coil code 8.008 8.012 8.024 8.048 8.110 8.120 8.230 8.240 Operating range Umin V 6.8 10.2 20.4 40.8 93.5 102 196 204 Umax V 8.8 13.2 26.4 52.8 121 132 253 264 Resistance Consumption I at UN R (50 Hz) Ω mA 4 800 7.5 550 27 275 106 150 590 64 680 54 2,500 28 2,700 27.5 Type Number of steps Sequence 20 Series - Modular step relays 16 A Wiring diagrams L L N N Example: 230 V AC supply voltage. Example: 24 V AC supply voltage. Accessories Module for use with illuminated push-buttons Type 026.00 Sealed construction, 7.5 cm insulated flexible wire termination. Example of wiring diagram of type 026.00 This module is necessary when using between 1 and a maximum of 15 illuminated push buttons in the coil circuit (Each 1.5 mA max, 230 V AC). It must be connected in parallel to the coil of the relay. Adaptor for panel mounting, 17.5 mm wide 020.01 Sheet of marker tags, plastic, 24 tags, 9x17 mm 020.24 020.01 020.24 3