ESM040W-0700-56

Dimming:	ELV, Triac
Weight:	0.556 lb (252g)
Approvals:	cUL, UL, cRUcs, FC, CE, CB
Mounting Type:	Chassis Mount
Size / Dimension:	4.20" L x 2.37" W x 0.99" H (106.7mm x 60.3mm x 25.2mm)
Termination Style:	Wire Leads
Efficiency:	87%
Operating Temperature:	-30°C ~ 90°C
Ratings:	IP64, IP20, NEMA 410
Features:	OCP, OTP, SCP
Series:	ESM
Power (Watts):	39W
Current - Output (Max):	700mA
Voltage - Output:	40 ~ 56 V
Voltage - Input (Max):	277VAC
Voltage - Input (Min):	120VAC
Number of Outputs:	1
Topology:	AC DC Converter
Type:	Constant Current
Part Status:	Active

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LED Drivers: ESM040W-0700-56 application field and working principle

LED driver is a specialized power supply, which converts the electrical input (AC/DC voltage) to a constant current level. This constant current is required to drive LED bulb and LED light strips. This current optimization offers the LED a longer lifespan and ensures that individual LED bulbs run efficiently. Without an LED driver, the lifespan of an LED bulb is severely shortened and early failure may occur.

Application Field

The ESM040W-0700-56 LED driver from Socle Technology is a 40W water-proof LED driver, which is mainly used for outdoor lighting. It is specially designed for wet, outdoor installation and ground level lighting. This driver can support 0~10V dimming function which is suitable for industrial and commercial lighting applications, such as street lighting, landscape lighting, façade lighting and underpass lighting.

Features

This LED driver offers a wide range of features to meet different lighting requirements, including:

• Universal 87V~305Vac input voltage range
• Maximum rated output current of 700mA
• Maximum wattage of 40W
• Static power factor correction above 0.90
• High efficiency up to 85%
• Built-in EMI filter, 0~10V dimmable
• Support constant voltage and constant current output
• Protection against short circuit, overload and over voltage
• Meets IEC/EN60335 safety standards

Working Principle of ESM040W-0700-56 LED Driver

The ESM040W-0700-56 LED driver has a built-in high frequency isolated single stage topology combined with high frequency power factor correction (PFC). It uses a switching power supply to convert the input voltage into a stable and efficient current output. The PFC function helps to increase the power factor of the input. The output voltage is determined by the input voltage level and the ratio between primary winding and secondary winding on the transformer. The LED driver is designed with feedback loop that adjusts the output voltage based on the detected load current and output voltage. It also ensures that the output current remains constant over AC/DC input voltage and temperature ranges. The fanless design of this LED driver offers optimal use in outdoor applications. It includes integrated temperature control to efficiently cool down the components and will shut down once it senses an over-temperature. This LED driver is designed for compliance with IP68 waterproof standard. Its robust housing makes it immune to dust, damp, ice and snow.

Conclusion

The ESM040W-0700-56 LED driver is a reliable and efficient power solution for outdoor lighting applications. It is strong and robust, and is designed for IP68 waterproof standard. This driver comes with 0~10V dimming function and it can offer constant voltage and constant current output. It is an ideal solution for any outdoor lighting project.

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