STO Power Supply VC-0024
VC-0024 is a DC-DC step-down voltage converter that supplies the necessary voltage to drive the STO signal from the PS-1500-DIN.
This voltage converter is included pre-wired in PS-1500-XX-YY-Z or as an included item if the PS-1500-DIN is desired.

VC-0024 Voltage converter
Input | |
Input Voltage | 18 ~ 75 VAC |
DC Current (Typ.) | 0.4 A / 48 VDC |
Inrush Current (Typ.) | 15 A / 48 VDC |
Efficiency | 87% |
Output | |
DC Voltage | 24 VDC |
Rated Current | 0.63 A |
Rated Power | 15 W |
Ripple & Noise (max.) * | 100 mVp-p |
Voltage Adj. Range | 21.6 ~ 28 VDC |
Voltage Tolerance ** | +/- 2.0% |
Line Regulation | +/- 0.5% |
Load Regulation | +/- 0.5% |
Setup, rise time | 120 ms, 85 ms at full load |
Hold up time (Typ.) | L-type: 16 ms @ 48 VDC input |
External Capacitance (Max.) | 680 µF |
Protection | |
Overload | 110 ~ 150% rated output power |
Protection type : Hiccup mode, recovers automatically after fault condition is removed | |
Over voltage | 28.8 ~ 32.4 VDC |
Protection type : Shut down o/p voltage, re-power on to recover | |
Reverse polarity | By internal MOSFET, no damage, recovers automatically after fault condition removed |
Under voltage lockout | Power ON ≥ 9 VDC, OFF ≤ 8.5 VDC |
Environment | |
Operating/Storage Temperature | -40 °C to 85 °C |
Operating/Storage Humidity | 5% - 95% RH, non-condensing |
Temperature coefficient | +/-0.03%/ °C (0 - 60 °C) |
Vibration | Component:10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X,Y, Z axes; Mounting: Compliance to IEC60068-2-6 |
Operating Altitude | 5000meters |
Safety | |
Safety standards | UL62368-1 IEC 62368-1 AS/NZS 62368.1 EAC TP TC 004 approved |
Withstand voltage | I/P - O/P: 4 K VDC |
Isolation resistance | I/P - O/P: >100 MΩ / 500 VDC / 25 °C / 70% RH |
Dimensions and Notes | |
Size | 17.5 mm x 90 mm x 54.5 mm (W x H x D) |
Weight | 68 g |
MTBF | 3446.2K hrs min. Telcordia SR-332 (Bellcore) ; 907.2K hrs min. MIL-HDBK-217F (25 ) |
* Ripple & noise are measured at 20 MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1 µF & 47 µF parallel capacitor.
** Tolerance : includes set up tolerance, line regulation and load regulation.