TPS120 Panel Mount 120W Power Supply
Selec TPS120-24 Table Top Power Supply – 24V DC, 5A, 120W, Metal Enclosure
Robust 24V/5A industrial table-top power supply with metal body, wide 90–264VAC input, high 89% efficiency, and complete protections including overload, OVP, and short circuit.
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The Selec TPS120-24 is a compact 120W table-top AC-DC power supply engineered for industrial instrumentation, controllers, sensors, and communication devices. Featuring universal AC input and a stable 24V/5A output, it offers high efficiency, rugged metal construction, and reliable protections for continuous operation.
KEY FEATURES
24V DC, 5A, 120W output
Universal 90–264 VAC / 127–373 VDC input
High efficiency up to 89%
Compact 1U low-profile metal enclosure
No-load power consumption < 0.5W
−40°C to +70°C operating range (derating above 50°C)
Overload, overvoltage, and short-circuit protection (hiccup mode)
Hold-up time: ≥60 ms at 230 VAC
MTBF > 370K hours
Natural convection cooling
TECHNICAL SPECIFICATIONS
1. Output Specifications
| Parameter | Value |
|---|---|
| Nominal DC Voltage | 24V |
| Rated Current | 5A |
| Rated Power | 120W |
| Ripple & Noise | <1% of Vote |
| Voltage Adjustment Range | 24–28V |
| Voltage Tolerance | ±1% |
| Line Regulation | ±1% |
| Load Regulation | ±1% |
| Turn-On Time | <1 sec @ 230 VAC; 1 <3 sec @ 115 VAC |
| Hold-Up Time | ≥60 ms at 230 VAC; ≥10 ms at 115 VAC |
| Rise Time | <100 ms |
2. Input Specifications
| Parameter | Value |
|---|---|
| Voltage Range | 90–264 VAC / 127–373 VDC |
| Frequency | 47–63 Hz |
| Efficiency | Up to 89% |
| AC Current | 2.2A at 115VAC; 1.5A at 230VAC |
| Inrush Current | <60A at 264VAC (cold start) |
| Leakage Current | <1 mA |
| Standby Consumption | <0.5W |
3. Protection Features
| Protection | Description |
|---|---|
| Overload | >110% load, hiccup mode, auto recovery |
| Overvoltage | 28.5–33.5 V |
| Short Circuit | Hiccup mode, auto recovery |
4. Environmental Specifications
| Condition | Value |
|---|---|
| Operating Temp | −40°C to +70°C (derate above 50°C) |
| Storage Temp | −40°C to +85°C |
| Cooling | Natural convection |
| Humidity | 5–95% RH (non-condensing) |
| Altitude | 2000 m |
| Vibration | 10–500 Hz, 2G, 60 min/axis |
5. Safety & EMC Compliance
| Category | Standard | Level |
|---|---|---|
| Conducted Emission | CISPR32 | Class B |
| Radiated Emission | CISPR32 | Class A |
| ESD | IEC61000-4-2 | Level 4, Criteria A |
| Radiated Immunity | IEC61000-4-3 | Level 3, Criteria B |
| EFT | IEC61000-4-4 | Level 3, Criteria A |
| Surge | IEC61000-4-5 | Level 3, Criteria A |
| Conducted Immunity | IEC61000-4-6 | Level 3, Criteria B |
| Magnetic Field | IEC61000-4-8 | Level 3 |
| Voltage Dips | IEC61000-4-11 | Criteria A & B |
| Safety Design | IEC62368-1 |
6. Mechanical & Connector Details
Connectors (TRL1)
| Pin | Function |
|---|---|
| 1 | AC Line |
| 2 | AC Neutral |
| 3 | Earth |
| 4–5 | V1 Positive (DC +) |
| 6–7 | V1 Negative (DC −) |
Mechanical Notes
Dimensions: 129 × 97 × 30 mm
Rugged metal body
Table-top design with side venting
7. Derating Curve
100% load from −40°C to +50°C
Linearly derates to 50% load at +70°C
APPLICATIONS
Industrial instruments
Data logging systems
PLCs & automation controllers
IoT gateways
Communication equipment
Lab test benches
WHAT’S IN THE BOX
Selec TPS120-24 Power Supply
Terminal block (factory fitted)
User leaflet
FAQS
Q1. What is the output of TPS120-24?
24V DC, 5A (120W).
Q2. Can it run from DC input?
Yes—supports 127–373 VDC.
Q3. What protections are included?
Overload, overvoltage, and short circuit.
Q4. Is it suitable for harsh temperatures?
Yes—it works reliably from −40°C to +70°C with derating above 50°C.
Q5. How efficient is the unit?
Up to 89% efficiency.