SERIES 20 MODULAR STEP RELAYS •A range of one module (17.5mm) wide modular step relays with 1 or 2 NO 16A 250V AC contacts •Test button with mechanical indicators •6 functions available •AC/DC coils •Identification label •Clamps suitable for two 4 mm2 wires each •Clamps not lined up to make wiring easier •DIN rail 46277 mount •Possible to connect illuminated push buttons (by means of capacitor) •In conformity with IEC 669 - 1 and IEC 669 - 2 - 2 •Approvals (according to type): IMQ, RINA, SEV, UTE 20 20.22 20.23 RINA MODULAR STEP RELAY TYPE 20.21 single phase switch 1 NO TYPE 20.22 double phase switch 2 NO TYPE 20.23 double phase switch 1 NO + 1 NC TYPE 20.24 4 sequence double phase switch TYPE 20.26 3 sequence double phase switch TYPE 20.28 4 sequence double phase switch - 20.28 type suggested for rolling shutter automation - ordering information: see page 24 58.4 A1 1 A1 1 3 A2 2 A2 2 4 43.5 84 26.5 45 84 17.4 20.21 TYPE 22 20.22 20.23 20.24 20.26 20.28 number of steps 20.21 2 20.22 2 20.23 2 20.24 4 20.26 3 20.28 4 SEQUENCES 1° 2° 3° 4° TECHNICAL DATA DIELECTRIC STRENGTH tested at: leakage current ≤ 30 mA for 1 min at 50 Hz between coil and contacts 3500 V between open contacts 2000 V between adjacent contacts 2000 V 3 INSULATION RESISTANCE ≥ 10 · 10 MΩ MAXIMUM SWITCHING FREQUENCY - without load: 3600 operations/h - at rated load: 900 operations/h AMBIENT TEMPERATURE – 40 to 40°C MECHANICAL LIFE 300 · 103 operations PROTECTION CATEGORY IP 20 RATED CURRENT 16 A MAXIMUM PEAK CURRENT 30 A RATED VOLTAGE 250 V AC MAXIMUM SWITCHING VOLTAGE 400V AC NOMINAL RATE AC1: compensated fluorescent lamps: uncompensated fluorescent lamps: incandescence lamps:: halogen lamps: 4000 750 1000 2000 2000 ELECTRICAL LIFE 3 ≥ 100 · 10 operations STANDARD CONTACT MATERIAL Ag Ni COIL SPECIFICATION NOMINAL VOLTAGE UN AC: 8 - 12 - 24 - 48 - 110 - 125 - 230 - 240 V DC: 12 - 24 - 48 - 60 - 110 V VERSIONS: AC - alternating current 50 ÷ 60 Hz DC - direct current RATED POWER CONSUMPTION AC: 5.5 VA DC: 5 W OPERATING RANGE AC (50 Hz): (0.85 ÷ 1.1) UN AC (60 Hz): (0.9 ÷ 1.1) UN DC: (0.9 ÷ 1.1) UN MAXIMUM IMPULSE DURATION ACCORDING TO IEC 669 CONTACT SPECIFICATION VA W W W W 230 230 230 230 V V V V AC AC AC AC If the coil works for a prolonged period of time, adaquate ventilation of the relays must be provided, for example leaving a gap of abent 9mm between them. AC - DC VERSION DATA (R values relate to +20°C. Tolerance of R and I values: ±10%.) Nominal voltage UN (V) 8 12 24 48 110 125 230 240 Resistance R (Ω) 3.5 7 27 105 600 700 2500 2700 AC Current consumption I at UN (50 Hz) (mA) 700 450 210 110 45 42 23.5 22 Resistance R (Ω) — 27 105 440 2330 — — — DC Current consumption I at UN (mA) — 440 230 110 47 — — — 23 ORDERING INFORMATION Example: A 20 series double phase switch relay with 2 NO contacts, coil rated at 230V AC with Ag Sn O2 contact material. No. of poles or sequence number series 2 coil version (see table) type 0 2 2 option (see table) coil rated voltage 8 2 3 0 A B C D 4 0 0 0 COIL VERSION CODE Coil types 9 DC Direct current 8 AC Alternating current (50/60 Hz) OPTION A Contact material B Contact circuit C Light and mechanical indicators D Special application 0 standard 0 standard 0 standard 0 standard 4 Ag SnO2 CHARACTERISTIC OF THE CAPACITOR A capacitor C = 1.5 µF (ordering code 02600) is available if using a maximum of 10 illuminated push-buttons (1.5 mA max, 230 V AC) in the switching input circuit. This capacitor has to be connected in parallel to the coil of the relay (see diagram). A1 1 3 A2 2 4 C = 1,5 µF CODE 02600 Sealed version, 7.5 cm insulated and flexible terminals. metallised polypropylene TOLERANCE CAPACITY ± 10% RATED VOLTAGE 250 V AC MAX TEMPERATURE + 85 °C DIELECTRIC STRENGTH 1.6 kV, 50 Hz, 60s, (25 ± 5)°C 13 32 22 MATERIAL 5 70 APPROVALS 25 Ø 0,8 24