Datasheet :: Control Panel Transformers :: 500VA Vprim 0V Brown Blue ** **** ** **** Red Vsec Primary 0 – Vprim ±10%, 50-60Hz Black 0V Secondary Vsec–0–Vsec, @ 250VA Each (Centre-Tapped winding) Red Vsec Nuvotem Talema Part Number SFB0500-230-12 SFB0500-230-24 SFB0500-230-55 SFB0500-400-12 SFB0500-400-24 SFB0500-400-55 Temperature Class: Primary Vprim [V] 230 230 230 400 400 400 Full Load Vsec [V] 12-0-12 24-0-24 55-0-55 12-0-12 24-0-24 55-0-55 Winding Wire (Primary & Secondary) Insulation between windings Connection lead insulation Rated Current Per Sec [A] 20.833 10.417 4.545 20.833 10.417 4.545 Class H (180°C) Class B (130°C) Class A (105°C) Standards: Designed and manufactured to conform to the requirements of : EN61558 Class II, Non-Short-Circuit-Proof EN60065 Class II (IEC65) EN60950 Class II VDE0550 Class II VDE0551 Class II BS415 Class II Physcial Data Dimensions (L x W x H) Items ** Mounting Holes (X x Y) Approximate Weight Terminations No Load Vsec [V] 12.61-0-12.61 25.60-0-25.60 58.61-0-58.61 12.61-0-12.61 25.60-0-25.60 58.61-0-58.61 135 x 82 x 138mm 135 x 103 x 138mm (Due to larger terminals) 113 x 41mm between centres 4.20 Kg Screw terminals suitable for conductors 0.5mm² to 4mm², rated at 16A (VDE0551) Material : Polyamide 6/6 (PA 6/6), Meets requirements of VBG4 and VDE0106, part 100, “Finger Safety Guard” VDE0470, Part 1 ** Note : Items marked ** have two secondary terminals suitable for 2.5mm² to 16mm², which are rated at 63A (VDE0551), with two terminals for 0V. **** Note : Items marked **** have 2 terminals for 0V (4mm²) Ireland: Int.+35 374-954 8666 • Germany: Int.+4989-841 00-0 • Czech Rep: Int.+420 377 - 338 351 • India: Int.+91 427-244 1325 www.nuvotem.com www.talema-nuvotem.com www.talema.net www.talema.de