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DDR-120B-48 MEAN WELL Power Supply | HTD Electronics
Manufacturer MEAN WELL

DDR-120B-48

Availability: Out of stock
120 W48 V2.5 A16.8V–33.6V in

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DDR-120B-48
Quantity Prices (CAD)
Quantity
Unit Price (CAD)
1+
$96.32 CAD
10+
$91.50 CAD
20+
$89.58 CAD
50+
$87.65 CAD
100+
$85.72 CAD
200+
$83.80 CAD
All prices are displayed in CAD. *Import tariff is included in the listed price. You pay exactly what you see—no surprise fees at checkout. Discounts are applied automatically based on the total quantity added to your cart.
Quick Specs
Input Voltage
16.8V~33.6V
Output Voltage
48V
Rated Current
2.5A
Power Rating
120W
Waterproof
Non-waterproof
Dimensions & Weight
4.92 x 4.01 x 1.25 in1.12 lbs

Datasheet (PDF)

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Features

Width only 32mm
Compliance to EN50155 and EN45545-2 railway standard
DC output adjustable ( 10%)
2:1 wide input range
150% peak load capability
Protections: Short circuit / Overload / Over voltage /Input reverse polarity / Input under voltage protection
4KVdc I/O isolation(Reinforced isolation)
Can be installed on DIN rail TS-35/7.5 or 15
-40~+70°C wide working temperature
Cooling by free air convection
3 years warranty

General Specification

Over current protection Normally works within 150% rated output power for more than 3 seconds and then constant current protection 105~135% rated output power with auto-recovery
Over voltage protection

12V:13.8~16.2V ; 15V:17.25~20.25V ; 24V:28.8~32.4V;

Protection mode: Shut down o/p voltage, re-power on to recover
REVERSE POLARITY By internal MOSFET, no damage, recovers automatically after fault condition removed
Withstand voltage I/P-O/P:4KVDC I/P-FG:2.5KVDC O/P-FG:2.5KVDC
Working temperature -40~+70°C (Refer to ""Derating Curve"")
Safety standards IEC 62368-1 (LVD),EAC TP TC 004 approved, Design refer to UL508
EMC standards With external components Compliance to EN55032 Class B;EN61000-3-,3，EN61000-4-2,3,4,5,6,8
Dimension (LxWxH)(mm) 32 x 125.2 x 102 mm

Similar Models

Same product family and output voltage, with the closest available power ratings.

Environmental Documents
📄 E6) COC-REACH (2026/01/28) 📄 E9) CMRT (2025/04/25) 📄 E14) COC-ROHS 2 (2015/863/EU) (2024/10/04) 📄 REACH Certificate (PDF) (2020/12/03) 📄 ROHS Certificate (PDF) (2020/05/29) 📄 E12) COC-ROHS 2 (2011/65/EU) (2016/10/01)
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