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The main advantage of the power supply is its high energy efficiency of 85%, which translates into lower heat loss and longer component life. This model provides a stabilized 12V DC voltage with the possibility of precise adjustment in the range from 12V to 14V, which allows for compensation of voltage drops on long power cables. The solid metal housing ensures excellent heat dissipation via free air convection, eliminating the need for noisy fans.
Operational safety is guaranteed by a series of built-in protections: short-circuit, overload, overvoltage, and thermal. As a result, connected devices are protected against sudden network failures or installation errors. The power supply accepts a wide range of input voltage (90-264V AC), making it a universal solution ready for operation in various energy standards around the world. It is a reliable energy source for CCTV monitoring systems, LED lighting, alarm systems, and advanced PLC controllers. By choosing a Mean Well product, you are investing in proven technology and reliability confirmed by the manufacturer's many years of experience in the global market.
EAN: 6931240029855 SKU: 931029856
The EDR-120-12 switching power supply from the renowned Mean Well brand is a high-class power device designed for professional industrial automation systems and telecommunications installations. Thanks to its design adapted for mounting on a standard DIN rail TS-35/7.5 or 15, it fits perfectly into control cabinets and electrical distribution boards. The device is characterized by exceptional resistance to harsh environmental conditions, offering stable operation in a wide temperature range up to 60 degrees Celsius.
The main advantage of the power supply is its high energy efficiency of 85%, which translates into lower heat loss and longer component life. This model provides a stabilized 12V DC voltage with the possibility of precise adjustment in the range from 12V to 14V, which allows for compensation of voltage drops on long power cables. The solid metal housing ensures excellent heat dissipation via free air convection, eliminating the need for noisy fans.
Operational safety is guaranteed by a series of built-in protections: short-circuit, overload, overvoltage, and thermal. As a result, connected devices are protected against sudden network failures or installation errors. The power supply accepts a wide range of input voltage (90-264V AC), making it a universal solution ready for operation in various energy standards around the world. It is a reliable energy source for CCTV monitoring systems, LED lighting, alarm systems, and advanced PLC controllers. By choosing a Mean Well product, you are investing in proven technology and reliability confirmed by the manufacturer's many years of experience in the global market.
Power supply type
Switching - advanced design based on a high-frequency converter ensuring minimal energy loss
AC input voltage
90 V ... 264 V AC - universal AC input allowing operation in almost any power grid in the world
DC input voltage
127 V ... 370 V DC - possibility of DC power supply from battery or solar systems
Output voltage
12 V DC - precisely stabilized DC voltage ideal for sensitive electronics and IT systems
Output voltage adjustment
12 V ... 14 V DC - built-in ADJ potentiometer allowing precise tuning of the output voltage to installation requirements
Current capacity
10 A - high efficiency allowing multiple devices to be powered simultaneously without the risk of power drops
Power supply wattage
120 W - rated power ensuring stable operation under full load in continuous mode
Number of outputs
1 pc. - output section equipped with double screw terminals for convenient wiring separation without additional terminal blocks
Efficiency
85 % - high efficiency coefficient limiting device heating and saving energy
Housing type
DIN - industrial metal housing adapted for quick mounting on standard TS-35/7.5 and TS-35/15 rails
Short-circuit protection
Yes - advanced circuit cutting off the output in case of a short circuit with an automatic return to operation function (auto-recovery)
Overload protection
Yes - Hiccup mode protection, activating after exceeding 105-150% of rated power, protecting the power supply from damage
Overvoltage protection
Yes - protects connected receivers against the effects of sudden voltage spikes in the power grid
Thermal protection
Yes - automatic shutdown after exceeding the safe internal temperature of components for fire protection
Operating temperature
-20 °C ... 60 °C - wide temperature range allowing installation in unheated outdoor cabinets and production halls
Relative humidity
20 % ... 95 % - resistance to operation in an environment with increased humidity without condensation
Optical signaling
DC OK LED diode placed on the front panel informing about the correct presence of voltage at the output
Cooling method
Free convection - passive cooling through a perforated housing ensures silent operation and no failure-prone fans
Insulation
Input-output insulation strength at 3kV AC level ensuring galvanic safety
Compliance with standards
Full compliance with European LVD safety directives and EMC electromagnetic compatibility
Contents
1x EDR-120-12 switching power supply
1x Original cardboard packaging
1x Quick installation and operation manual
Dimensions, Weight
Product dimensions: 124 x 41 x 127 mm (D x W x H)
Package dimensions: 145 x 140 x 60 mm (D x W x H)
Product weight: 520 g
Weight with packaging: 578 g
Specific References