Technical Information & Details for MEAN WELL GST120A20-R7B Power Supply
- Product Type: Reliable 120W AC/DC Desktop Industrial Green Adapter (Class I Power Unit)
- DC Output Voltage: 20V DC
- Rated Current: 0 - 6 A
- Rated Power: 120 W
- Input Voltage Range: 85 - 264V AC (47–63 Hz) or 120 - 370V DC
- AC Inlet Type: 3-pole IEC320-C14 (Class I with FG connection)
- DC Output Connector: Power DIN 4-Pin with lock type (R7B standard, KYCON KPPX-4P equivalent)
- Efficiency: approx. 90%
- No-Load Power Consumption: Extremely low (< 0.15 W)
- Energy Efficiency Compliance: Level VI (meets EISA 2007/DoE, NRCan, AU/NZ MEPS, EU ErP, and CoC Version 5)
- Cooling: Fanless design, cooling by free air convection
- Enclosure Material: Fully enclosed 94V-0 flame-retardant plastic case
- Operating Temperature Range: -30°C to +70°C (Derating above +45°C)
- Protections: Short Circuit, Overload (105–160% rated power, hiccup mode), Over Voltage (105–135%), Over Temperature
- Status Indicator: LED indicator for power on
- Safety & EMC Standards: UL62368-1, EN62368-1, BSMI, PSE, KC, EAC, FCC Class B, BS EN/EN55032 Class B
- Dimensions & Weight: 167 x 67 x 35 mm (L x W x H) / approx. 0.575 kg
- DC Cable Length: UL2464 18AWGx4C, approx. 1200 mm
- Manufacturer Warranty: 3 Years
Information about the MEAN WELL GST120A20-R7B
The MEAN WELL GST120A20-R7B is a highly reliable 120W AC/DC desktop-style single-output green industrial adapter. As a Class I power unit featuring a standard 3-pole IEC320-C14 AC inlet (with FG earth grounding), it operates over a universal input AC range from 85V to 264V AC as well as 120V to 370V DC. It provides a stable 20V DC output at a rated current of up to 6 A. The output cable is equipped with a 4-pin lockable Power DIN connector (R7B type), preventing accidental disconnection during operation.
Designed with eco-friendly efficiency in mind, the GST120A20-R7B features an efficiency rating of up to 90% and an extremely low no-load power consumption under 0.15W, fully complying with international Level VI energy standards (including USA DoE and EU ErP). Its fully enclosed 94V-0 flame-retardant plastic case and fanless design allow quiet operation across a wide temperature range of -30°C to +70°C. With active PFC functionality, an integrated Power ON LED, and robust protections against short circuit, overload, overvoltage, and overtemperature, this adapter is ideal for commercial electronics, telecommunications, office facilities, and industrial equipment.
