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www.DataSheet4U.com 50 Series - Safety relay 8 A 50.12 Features 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 µs) isolation, coil-contacts • Flux proof: RT II • 2 Pole 8 A 5 mm pinning • PCB mounting • • 29 12.4 A1 12 11 14 25 A2 22 21 24 5 0.4 1 5 5 = 1.5 2.5 20 29 6 *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 SEE “General technical information” page V Contact specification Contact configuration Rated current/Maximum peak current Rated load AC1 Rated load AC15 (230 V AC) Single phase motor rating (230 V AC) Breaking capacity DC1: 30/110/220 V Minimum switching load Standard contact material Coil specification Nominal voltage (UN) Rated power AC/DC Operating range Holding voltage Must drop-out voltage Technical data Mechanical life AC/DC Electrical life at rated load AC1 Operate/release time Dielectric strength between open contacts Ambient temperature range Environmental protection Approvals (according to type) cycles cycles ms V AC °C V AC (50/60 Hz) VA (50 Hz)/W AC (50 Hz) DC AC/DC AC/DC A VA VA kW A Rated voltage/Maximum switching voltage V AC Copper side view 2 CO (DPDT) 8/15 250/400 2,000 500 0.37 8/0.65/0.2 300 (5/5) AgNi — —/0.7 — (0.75…1.2)UN —/0.4 UN —/0.1 UN —/10 · 106 100 · 103 10/4 6 (8 mm) 1,500 –40…+70 RT II mW (V/mA) V DC 5 - 6 - 12 - 24 - 48 - 60 - 110 - 125 Insulation between coil and contacts (1.2/50 µs) kV = 12.4 7.5 1 www.DataSheet4U.com 50 Series - Safety relay 8 A Ordering information Example: 50 series safety relay, 2 CO (DPDT) 8 A contacts, 24 V DC coil. A B C D 5 0 . 1 Series Type 1 = PCB - 5 mm pinning No. of poles 2 = 2 pole 8 A Coil version 9 = DC Coil voltage See coil specifications 2 . 9 . 0 2 4 . 1 A: Contact material 1 = Standard AgNi 4 = AgSnO2 5 = AgNi + Au (5 µm) B: Contact circuit 0 = CO (DPDT) 0 0 0 D: Special versions 0 = Flux proof (RT II) C: Options 0 = None Selecting features and options: only combinations in the same row are possible. Preferred selections for best avaliability are shown in bold. Type 50.12 Coil version DC A 1-4-5 B 0 C 0 D 0 Technical data Insulation according to EN 61810-1:2004 Nominal voltage of supply system Rated insulation voltage Pollution degree Insulation between coil and contact set Type of insulation Overvoltage category Rated impulse voltage Dielectric strength Insulation between adjacent contacts Type of insulation Overvoltage category Rated impulse voltage Dielectric strength Insulation between open contacts Type of disconnection Dielectric strength Conducted disturbance immunity Burst (5...50)ns, 5 kHz, on A1 - A2 Surge (1.2/50 µs) on A1 - A2 (differential mode) Other data Bounce time: NO/NC Vibration resistance (5…55)Hz: NO/NC Shock resistance NO/NC Power lost to the environment without contact current with rated current Recommended distance between relays mounted on PCB ms g g W W mm 2/10 20/2 20/5 0.7 1.2 ≥5 EN 61000-4-4 EN 61000-4-5 level 4 (4 kV) level 3 (2 kV) V AC/kV (1.2/50 µs) Micro-disconnection 1,500/2.5 kV (1.2/50 µs) V AC Basic III 4 2,500 kV (1.2/50 µs) V AC Reinforced (8 mm) III 6 4,000 V AC V AC 230/400 250 3 400 2 2 www.DataSheet4U.com 50 Series - Safety relay 8 A H 50 - Maximum DC1 breaking capacity 20 DC breaking current (A) 10 6 4 2 1 Contact specification F 50 - Electrical life (AC) v contact current 10 7 Cycles 10 6 Resistive load - cosϕ = 1 Inductive load - cosϕ = 0.4 0.2 0.1 10 5 0 2 4 6 8 (A) 20 60 100 140 180 220 DC voltage (V) • When switching a resistive load (DC1) having voltage and current values under the curve, an electrical life of ≥ 100·103 can be expected. • In the case of DC13 loads, the connection of a diode in parallel with the load will per...

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