Datasheet

Part no.: RSO 825057
Description: RKT 500VA/ 2x115V/ 2x12V 2x20.84A
Safety isolating transformer according to: EN 61558-2-6 / VDE 0570
Power [VA]: 500
Input voltage [AC]: 2 x 115 V +-10%
Output voltage [AC]: 2 x 12.00 V
Output current [AC]: 2 x 20.84 A
Frequency [Hz]: 50/60
Dielectric strength PRI - SEC [AC]: 4400 V
Efficiency [%]: 94
Power loss at no-load [W]: 2.86
Maximum ambient temperature ta [°C]: 60
Temperature class: B (130°C)
Temperature switch: 120°C (automatically resetting)
Schematic:
possible connection:
parallel connection 115V = connect blue with blue and brown with brown
PRI 1 und PRI 2
series connection 230V = connect brown with blue
possible connection:
parallel connection 12.0V / 41.67A = connect black with yellow and red with white
SEC 1 und SEC 2
series connection 24.0V / 20.84A = connect red with yellow
Approval marks: CE; ENEC; UL508 (E182061)
Connections: primary and secondary strands 200mm long, ends assembled with ferrules
Model: toroidal transformer pottet on mounting disc with through-hole 8.1 mm
Appliance class: prepared for class II
Protection class: IP 00
Recommended fuse ratings: primary 8.00 AT / 4.00 AT (IEC60127-2-5)
(115V / 230V)
secondary 1 25.00 AT
secondary 2 25.00 AT
Dimensions: diameter approx. = 156 mm
height approx. = 62 mm
Weight: approx. 4.78 kg
Data sheet Polytronik
®
Toroidal transformer
blue
brown
PRI 1
SEC 1
SEC 2
0 V
115 V
temperature switch 120°C
black 0 V
red 12.0 V / 20.84 A U0= 12.58 V
yellow 0 V
white 12.0 V / 20.84 A U0= 12.58 V
blue
0 V
PRI 2
brown
115 V
www.sedlbauer.de Status: August 2017