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Specifications are subject to changes without notice.

All specifications are typical at 25

qC unless otherwise stated.

300W Constant Voltage IP67 Driver

ESV-300SxxxST

Rev. O

www.inventronics-co.com

Tel: 86-571-56565800

Fax: 86-571-86601139

sales@inventronics-co.com

Input Specifications (Continued)

Parameter

Min.

Typ.

Max.

Notes

Inrush Current

-

-

135 A

At 480Vac input 25

Cold start, Duration= 1.2

ms, 10%Ipk-10%Ipk

Inrush Current(I

2t)

-

-

9 A

2s

PF

0.90

-

-

Measured at 100% load and 277~480 Vac input.

Output Specifications

Parameter

Min.

Typ.

Max.

Notes

Output Voltage Tolerance

-2.5%

-

2.5%

ESV-300S042ST

-3%

-

3%

Other models except ESV-300S042ST

Output Voltage Ripple

(pk-pk)

-

-

2% VO

At 100% load condition

Output Voltage Overshoot

/ Undershoot

-

-

2% Vo

ESV-300S042ST

When power on and off

-

-

5% Vo

Other models except

ESV-300S042ST

Line Regulation

-

-

1.0%

Load Regulation

-

-

1.5%

Turn-on Delay Time

-

1.0 s

3.0 s

Measured at 100% load, 277Vac input

-

1.0 s

3.0 s

Measured at 100% load, 480Vac input

Temperature Coefficient

-

0.03%/

qC

-

Case temperature = 0

qC ~Tc max

Protection Functions

Parameter

Min.

Typ.

Max.

Notes

Over Current Protection

110% IO

145% IO

180%IO

Hiccup mode. The power supply shall be self-

recovery when the fault condition is removed.

Over Temperature

Protection

-

110

qC

-

Auto Recovery, returning to normal after over

temperature is removed.

Short Circuit Protection

Hiccup and no damage shall occur when any output operating in a short circuit condition.

General Specifications

Parameter

Min.

Typ.

Max.

Notes

Efficiency

VO = 24 V

VO = 28 V

VO = 36 V

VO = 42 V

VO = 48 V

89.0%

90.0%

90.0%

90.0%

90.0%

90.0%

90.5%

91.0%

91.0%

91.0%

-

-

-

-

-

Measured at 100% load, 277Vac input, 25

ambient temperature, after the unit is thermally

stabilized.