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Home > Power Supplies > DC Power Supplies > Switching Power Supplies

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24V DC 1.5A 36W Switching Power Supply

$68.46

Compact size 24V DC switching power supply is installed in DIN rail with 36W rated power and 1.5A rated current, low cost and

SKU: CHN-SMPS-30-24

Free Shipping Worldwide

Delivery date: 6-12 days

Overview
Documents

Features

Universal AC input/Full range
Protections: short circuit, overload and overvoltage
Cooling by free air convection
Installed on DIN rail TS-35/7.5 or 15
Isolation class Ⅱ
LED indicator for power on
100% full load burn-in test

Specification

Model		CHN-DR-30-24
Output	DC Voltage	24V
	Rated Current	1.5A
	Current Range	0 ~ 1.5A
	Rated Power	36W
	Ripple & Noise (Max.)(Note 2)	150mVp-p
	Voltage Adjust Range	21.6 ~ 26.4V
	Voltage Tolerance (Note 3)	±1.0%
	Line Regulation	±1.0%
	Load Regulation	±1.0%
	Setup, Rise, Holdup Time	100ms, 30ms, 100ms/230V AC 100ms, 30ms, 21ms/115V AC
Input	Voltage Range	85 ~ 264V AC or 120 ~ 370V DC
	Frequency Range	47~63Hz
	Efficiency (Typ.)	83%
	AC Current (Typ.)	0.88A/115V AC 0.48A/230V AC
	Inrush Current (Typ.)	Cold start: 15A/115V AC 30A/230V AC
Protection	Overload	105~160% rated output power Protection type: Constant current limiting, recovers automatically after fault condition is removed.
Protection	Overvoltage	27.6V ~ 32.4V Protection type: Shut down output voltage, re-power on to recover.
Environment	Working Temperature	-20 ~ +60℃
	Working Humidity	20~90% RH non-condensing
	Storage Temperature	-40~+85℃
	Storage Humidity	10~95% RH non-condensing
	Temperature Coefficient	±0.03%/℃ (0~50℃)
	Vibration	10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
Safety & EMC (Note 4)	Safety Standards	UL60950-1, TUV EN60950-1 Approved; Design refer to EN50178
	Withstand Voltage	I/P-O/P: 3KVAC
	Isolation Resistance	I/P-O/P: 100M Ohms/500VDC/25℃/70% RH
	EMC Emission	Compliance to EN55022 (CISPR22) Class B, EN61000-3-2, -3
	EMC Immunity	Compliance to EN61000-4-2, 3, 4, 5, 6, 8, 11, EN55024, EN61000-6-2, EN61204-3, heavy industry level, criteria A
Others	MTBF	≥441.5K hrs MIN. MIL-HDBK-217F (25℃)
	Dimension	789356mm (WHD)
	Weight	0.27kg
Note	1. All parameters NOT specially mentioned are measured at 230V AC input, rated load and 25°C of ambient temperature. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor. 3. Tolerance includes set up tolerance, line regulation and load regulation. 4. The switching power supply is considered a component which will be installed into final equipment. Please make sure that the final equipment still meets EMC directives.

Dimensions (Unit: mm)

Tips: Structure and functions of switching power supply (SMPS)

Switching power supply is composed of input power grid filter, input rectifier and filter, inverter, output rectifier and filter, control circuit, and protective circuit. Functions of each component are shown below:

Input power grid filter: the filter is used to eliminate noise generated by start of electric motor, switches of devices, and thunder strike. At the same time, it is also used to prevent high-frequency noise generated by switching power supply from spreading into power grid.
Input rectifier and filter: rectify and filter input voltage of power grid and provide Dc voltage for convertor.
Invertor: invertor is a key part of switching power supply. It converts DC voltage to high-frequency AC voltage. In addition, it also isolates output part from input power grid.
Output rectifier and filter: output rectifier and filter convert high-frequency AC voltage output by convertor to DC voltage through rectification and filtering. At the same time, it could alleviate the influence of high-frequency noise on load.
Control circuit: control circuit detects output DC voltage to make a comparison with benchmark voltage and process with amplification to modulate pulse width of oscillator, control transformer and regulate voltage.
Protective circuit: when switching power supply is bothered with overvoltage, overcurrent, or short circuit, the protective circuit will cut off power to protect load and the switching power supply.

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