50 Series - Safety relay 8 A Features 50.12 PCB Relay with forcibly guided contacts according to EN 50205 type B 2 CO contacts * High physical separation between adjacent contacts Cadmium Free contact materials 8 mm, 6 kV (1.2/50 s) isolation, coil-contacts Flux proof: RT II 2 Pole 8 A 5 mm pinning PCB mounting *According to EN 50205 only 1 NO and 1 NC (11-14 and 21-22 or 11-12 and 21-24) shall be used as forcibly guided contacts. FOR UL HORSEPOWER AND PILOT DUTY RATINGS Copper side view SEE General technical information page V Contact specification Contact configuration 2 CO (DPDT) Rated current/Maximum peak current A 8/15 Rated voltage/Maximum switching voltage V AC 250/400 Rated load AC1 VA 2,000 Rated load AC15 (230 V AC) VA 500 Single phase motor rating (230 V AC) kW 0.37 Breaking capacity DC1: 30/110/220 V A 8/0.65/0.2 Minimum switching load mW (V/mA) 300 (5/5) Standard contact material AgNi Coil specification Nominal voltage (U ) V AC (50/60 Hz) N V DC 5 - 6 - 12 - 24 - 48 - 60 - 110 - 125 Rated power AC/DC VA (50 Hz)/W /0.7 Operating range AC (50 Hz) DC (0.751.2)U N Holding voltage AC/DC /0.4 U N Must drop-out voltage AC/DC /0.1 U N Technical data 6 Mechanical life AC/DC cycles /10 10 3 Electrical life at rated load AC1 cycles 100 10 Operate/release time ms 10/4 Insulation between coil and contacts (1.2/50 s) kV 6 (8 mm) Dielectric strength between open contacts V AC 1,500 Ambient temperature range C 40+70 Environmental protection RT II Approvals (according to type) 150 Series - Safety relay 8 A Ordering information Example: 50 series safety relay, 2 CO (DPDT) 8 A contacts, 24 V DC coil. AB C D 50..1 2 9.024. 1 0 0 0 Series A: Contact material D: Special versions 1 = Standard AgNi 0 = Flux proof (RT II) Type 4 = AgSnO 2 1 = PCB - 5 mm pinning C: Options 5 = AgNi + Au (5 m) 0 = None No. of poles B: Contact circuit 2 = 2 pole 8 A 0 = CO (DPDT) Coil version 9 = DC Coil voltage See coil specifications Selecting features and options: only combinations in the same row are possible. Preferred selections for best availability are shown in bold. Type Coil version A B C D 50.12 DC 1 - 4 - 5 00 0 Technical data Insulation according to EN 61810-1 Nominal voltage of supply system V AC 230/400 Rated insulation voltage V AC 250 400 Pollution degree 3 2 Insulation between coil and contact set Type of insulation Reinforced (8 mm) Overvoltage category III Rated impulse voltage kV (1.2/50 s) 6 Dielectric strength V AC 4,000 Insulation between adjacent contacts Type of insulation Basic Overvoltage category III Rated impulse voltage kV (1.2/50 s) 4 Dielectric strength V AC 2,500 Insulation between open contacts Type of disconnection Micro-disconnection Dielectric strength V AC/kV (1.2/50 s) 1,500/2.5 Conducted disturbance immunity Burst (5...50)ns, 5 kHz, on A1 - A2 EN 61000-4-4 level 4 (4 kV) Surge (1.2/50 s) on A1 - A2 (differential mode) EN 61000-4-5 level 3 (2 kV) Other data Bounce time: NO/NC ms 2/10 Vibration resistance (10200)Hz: NO/NC g 20/6 Shock resistance NO/NC g 20/5 Power lost to the environment without contact current W 0.7 with rated current W 1.2 Recommended distance between relays mounted on PCB mm 5 2