




RL-450W-EXC
RL-450W-EXC is a 450W chassis type SMPS with wide 85–264VAC input, available in 12V to 48V DC variants for heavy-duty industrial automation and control panel applications.
Overview
RL-450W-EXC is a high-power, Class-I chassis-type switching power supply designed for demanding industrial and OEM environments. It supports switch-selectable wide AC input ranges and delivers stable DC output with high efficiency and robust protection features.
The unit complies with EMC EN55035 / EN55032 Class-A standards and is suitable for continuous operation in industrial control panels, power systems, and automation equipment.
Key Features
Class I structure
Wide input voltage range: 85–264 VAC, 50/60 Hz (switch selectable)
Withstands VAC surge input for 5 seconds
EMC compliant: EN55035 / EN55032 Class A
Operating temperature up to 70°C
Over-voltage category III
Low standby power consumption (<0.2W)
Built-in protections: OVP, OLP, SCP
3-year manufacturing warranty
Available Variants
12V DC – 37.5A
15V DC – 30.0A
24V DC – 18.75 A
36V DC – 12.5A
48V DC – 9.38A
All variants share the same electrical, safety, and mechanical design, differing only in output voltage and output current rating.
Applications
Industrial control systems
Industrial equipment & OEM machinery
Power systems
Rail transportation equipment
Industrial & commercial lighting systems
Why Choose This SMPS?
RL-450W-EXC provides high power density, strong overload handling, wide input flexibility, and industrial-grade reliability. It is ideal for panel builders and OEMs requiring a dependable 450W chassis power supply for automation and power-hungry applications.
FAQs
Q1. What input voltage range does the RL-450W-EXC support?
It supports 85–132 VAC and 180–264 VAC (switch selectable) and 140–370 VDC, making it suitable for varied industrial power conditions.
Q2. What DC output voltages are available?
The RL-450W-EXC series is available in 12V, 15V, 24V, 36V, and 48V DC variants.
Q3. Does output current vary with voltage selection?
Yes. Output current changes according to the selected output voltage while maintaining a total power rating of 450W.
Q4. Is this SMPS suitable for heavy-load automation panels?
Yes. It is designed for high-power industrial automation panels, OEM machines, and control cabinets.
Q5. What protection features are included?
The power supply includes overload, short-circuit, and over-voltage protection with hiccup auto-recovery.
Q6. Can it operate in high ambient temperatures?
Yes. It can operate up to 70°C. Output power derating applies beyond standard ambient limits as per design.
Q7. What EMC standard does this model meet?
It complies with EN55035 / EN55032 Class A conducted and radiated emission requirements.
Q8. What is the warranty period?
The RL-450W-EXC comes with a 3-year manufacturing warranty.