27 Series - Step relays 10 A Features 27.0x 27.2x 1 or 2 Pole electromechanical step relay, for electrically common coil and contact circuits 27.0x - Connect up to 24 illuminated push buttons with the addition of module 027.00 27.2x - Connect up to 15 illuminated push buttons (without additional module) - incorporates coil power limiter to permit continuous coil energisation Choice of 3 switching sequences Single or 2 double phase Single or 2 double phase switch 1 NO (SPST-NO) or switch 1 NO (SPST-NO) or Screw terminal connections 2 NO (DPST-NO) 2 NO (DPST-NO) with coil AC coil power limiter Panel mount Cadmium free contact material Italian Patent 27.01 27.21 27.05 - 27.06 27.25 - 27.26 Contact specification 1 or 2 1 or 2 Number of contacts Rated current/Maximum peak current A 10/20 10/20 Rated voltage/Maximum switching voltage V AC 110/ 230/ 230/ Rated load AC1 VA 1100 2300 2300 Rated load AC15 VA 250 500 500 Nominal lamp rating: incandescent W 500 1000 1000 180 360 360 compensated fluorescent W 250 500 500 uncompensated fluorescent W halogen W400 800 800 Minimum switching current mW (V/mA) 10 10 Standard contact material AgNi AgNi Coil specification Nominal voltage (U ) V AC (50/60 Hz) 110 230 230 N V DC 4/4 25/1 Pickup/continuous power VA (50 Hz) Operating range AC 50Hz/AC 60Hz (0.8 ... 1.1)U /(0.85 ... 1.1)U (0.8 ... 1.1)U /(0.85 ... 1.1)U N N N N DC Technical data 3 3 Mechanical life AC/DC cycles 300 10 300 10 3 3 100 10 100 10 Electrical life at rated load in AC1 cycles 4 (24 with module 027.00) 15 Max no. of illuminated push-button (1mA) Minimum/Maximum impulse duration 0.1s/1h (according to EN 60669) 0.1s/continuous Ambient temperature range C 40+40 40+40 Protection category IP 20 IP 20 Approvals (according to type) 127 Series - Step relays 10 A Ordering information Example: 27 series screw terminal, panel mount step relay, single phase switch 1 NO (SPST-NO) 10 A contact, coil rated 230 V AC. 27..0 1 8.23 0. 0 0 0 0 Series Coil voltage See coil specifications Type 0 = Clamp terminal Coil version 2 = Clamp terminal, with coil power limiter 8 = AC (50/60 Hz) No. of poles 1 = Single phase switch 1 NO (SPST-NO) 5 = 4 sequences double phase switch 2 NO (DPST-NO) 6 = 3 sequences double phase switch 2 NO (DPST-NO) Technical data Other data 27.01, 27.21 27.05, 27.06, 27.25, 27.26 Power lost to the environment with rated current and coil de-energised W 0.9 1.8 Screw torque Nm 0.8 0.8 Max. wire size solid cable stranded cable solid cable stranded cable 2 mm 2x2.5 1x4 / 2x2.5 2x2.5 1x4 / 2x2.5 AWG 2x14 1x12 / 2x14 2x14 1x12 / 2x14 Coil specifications Types 27.01, 27.05, 27.06 Number Nominal Coil Operating range Resistance Consumption Sequence Type of steps voltage code (50 Hz) I at U N U U U R (50 Hz) N min max VVV mA 110 8.110 88 121 1,400 42.0 230 8.230 184 253 6,500 17.5 Types 27.21, 27.25, 27.26 Nominal Coil Operating range Resistance Consumption voltagecode (50 Hz) pick upcontinuous U U U R I at U (50 Hz) I at U (50 Hz) N min max N N VVV mA mA 230 8.230 184 253 1,250 100 4 Wiring diagram Type 27.01/05/06 Type 27.21/25/26 L L N N 2