ECMA-E21315RS Delta

The new STEP POWER generation of compact power supply units is particularly suitable for installation distributors

and flat control panels thanks to its design. The power supply units are available with 24 V DC output voltage in various

performance classes and widths and with the special voltages 5, 12, 15 and 48 V DC. Their high degree of efficiency and

the low standby losses make for high power efficiency.

Input data

Nominal input voltage 100 V AC ... 240 V AC

AC input voltage range 85 V AC ... 264 V AC

DC input voltage range 95 V DC ... 250 V DC

AC frequency range 45 Hz ... 65 Hz

DC frequency range 0 Hz

Current consumption Approx. 0.28 A (120 V AC)

Approx. 0.13 A (230 V AC)

Inrush surge current < 15 A (typical)

Power failure bypass > 15 ms (120 V AC)

> 90 ms (230 V AC)

Input fuse 1.25 A (slow-blow, internal)

Permissible backup fuse B6

B10

B16

Output data

Nominal output voltage 24 V DC ±1%

Output current 0.5 A (-25°C to +55°C)

0.55 A (-25 °C ... 40 °C permanent)

1 A (maximum output current)

Derating +55°C to 70°C: 2.5% per Kelvin

55 °C ... 70 °C 2.5%/K

Connection in parallel Yes, for redundancy and increased capacity

Connection in series Yes

Control deviation < 1 % (change in load, static 10% ... 90%)

< 2 % (change in load, dynamic 10% ... 90%)

< 0.1 % (change in input voltage ±10%)

Residual ripple < 20 mVPP (20 MHz)

Peak switching voltages nominal load < 30 mVPP (20 MHz)

Maximum power dissipation idling < 0.3 W

Power loss nominal load max. < 2.2 W

General data

Width 18 mm

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

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