SFN4D Low profile safety relay SFN4D with forcibly guided double contacts RELAY FEATURES 53.3 33.0 Relay complies with EN 50205, Type B Polarized magnet system with snap action function 14.5 Extremely small total power loss - Nominal coil power consumption of 390mW - Double contacts with low contact resistance, 2 e.g. (6A)2.5m 4NO = 360mW Length: 3.0 Relay height, 14.5mm Tolerance 0.3 mm Weight approx. 42 g Reinforced insulation according to EN 50178 - between coil-contacts and contacts-contacts - rated voltage of the circuits 230 / 400V or 277 / 480Vrms - rated impulse voltage of 6kV clearance 5.5 mm - pollution degree 2 creepage distance 5.5mm SPECIFICATIONS Contact Characteristics Contact configuration (a = normally open / NO, Max. switching frequency (without load) 5Hz 4a2b b = normally closed / NC) Permissible ambient temperature at nominal -25C to 92C *3 Contact material AgSnO , with Au flash power consumption 2 Upper temperature limit 105C Contact resistance (initial at 6V DC, 1A) 30m Typical contact resistance 2.5m Test voltage: 2500 / 4000 / *1 open contact / contact-contact / contact-coil 5000V Max. switching capacity rms 6A/8A 250V AC 9 Insulation resistance at 500V DC (initial) Max. switching voltage 500V AC / DC 10 *4 Min. switching voltage / min. switching current Shock resistance (11ms) NO/NC Reference 10V / 10mA 20 / 15G Pick-up / drop-out / bounce time Vibration resistance 10 200 Hz (10 55 Hz, *2 *4 10G 23 / 6 / 2ms (approx. values at U ) amplitude 2 mm) nominal 7 *5 Mechanical life Degree of protection 10 ops RT III Unit weight 42g Important: Relay characteristics may be influenced by: Coil strong external magnetic fields Operate / release 75% / 25% *3 and holding at 20C (% of U ) magnetic conductive materials near the relay min. 48% nominal narrow top-to-top mounting (printed surface to printed surface) Pick-up/nominal power consumption 219-236 / 390-420mW * *1 See ELECTRICAL LIFE (Reference Data) on page 2. *2 Without diode *3 See also REFERENCE DATA on page 3. *4 Contact interruption <10 s *5 According to EN 61810-1: 2004, table 2 ORDERING INFORMATION Ex. SFN4D DC12 V Coil voltage (DC) 5, 9, 12, 16, 18, 21 24, 36, 48, 60 Notes: 1) Standard packing Tube: 10 pcs. Case 100 pcs. 2) Other coil voltage available upon request 1 ds 61408 en sfn4d: 170114DSFN4D COIL DATA (at 20C) Coil resistance *1 *1 Part number Coil nominal voltage V DC Operate voltage V DC Release voltage V DC ( 10%, 20C) 3.75 64.1 SFN4D-DC5V 5 1.25 6.75 207.7 SFN4D-DC9V 9 2.25 9.00 369.2 SFN4D-DC12V 12 3.00 12.00 656.4 SFN4D-DC16V 16 4.00 13.5 830.8 SFN4D-DC18V 18 4.50 15.75 1130.8 SFN4D-DC21V 21 5.25 18.00 1476.9 SFN4D-DC24V 24 6.00 27.00 3085.7 SFN4D-DC36V 36 9.00 36.00 5485.7 SFN4D-DC48V 48 12.00 45.00 8571.4 SFN4D-DC60V 60 15.00 *1 Operate and release voltage at different temperatures, see REFERENCE DATA on page 3, coil voltage characteristics. SWITCHING CAPABILITY Making / breaking capacities according to EN 60947-5-1: 2000, table 4 / 5 AC15: 6A 230V AC / DC13: 6A 24V DC Endurance / overload test according to UL 508 16 edition, sections 42 / 43 6A 250V AC / 6A 24V DC B300 / R300 File E120782 * ELECTRICAL LIFE (Reference Data) Voltage Current (A) Load type Frequency Duty cycle No. of contacts No. of ops. 85,000 230V AC 8 AC 1 0.25Hz 25% 4 200,000 230V AC 6 AC 1 0.25Hz 25% 4 1,500,000 230V AC 2.5 AC 1 0.25Hz 25% 4 40,000 230V AC 60 / 6 AC 15 0.20Hz 20% 3 2,000,000 24V DC 6 DC 1 0.25Hz 25% 4 1,000,000 250V DC 0.27 DC 13 0.10Hz 10% 4 *Test conditions: Room temperature, breathing hole closed, dielectric strength according to EN61810-1:2004. DIMENSIONS Download CAD DataCAD Data from our Web site. Outer dimensions CAD Data 53.3 33 Breathing hole 1 0.3 (2x) 0.48 (12x) 5.4 15 12.5 15 5.4 3.34 (2.16) General tolerance: 0.3 12.5 7.5 7.5 Projection mode: Schematic (Bottom view) PC board pattern (Bottom view) 53.3 9 10 15 16 5.4 15 12.5 15 7 8 13 14 5 611 12 +1 2- 1.4 dia., typical value for manual insertion 1.6 dia., typical value for automatic insertion ds 61408 en sfn4d: 170114D 2 3 14.5 33 3.34 12.5 7.5 7.5 0.3 Stand-off