TPS50 Panel Mount 50W Power Supply
Selec TPS50-24 Table Top Power Supply – 24V DC, 2.2A, 52.8W, Metal Body
Compact 24V / 2.2A table-top AC-DC power supply with metal enclosure, universal 90–264VAC input, up to 86% efficiency, and full protections including overload, OVP, and short-circuit.
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The Selec TPS50-24 is a compact 52.8W table-top AC-DC power supply designed for powering industrial instruments, small controllers, sensors, and panel accessories. It supports a wide 90–264 VAC input, provides a stable 24 V DC output at 2.2 A, and includes robust protection mechanisms for safe field use.
KEY FEATURES
24V DC output, 2.2A (52.8W)
Universal 90–264 VAC / 127–373 VDC input range
High efficiency up to 86%
Compact metal enclosure with 1U low profile
−40°C to +70°C operating temperature (derating above 50°C)
Very low no-load power consumption: <0.5W
Natural convection cooling
Full protections: overload, overvoltage, short-circuit
MTBF > 545K hours
TECHNICAL SPECIFICATIONS
1. Output Specifications
| Parameter | Value |
|---|---|
| Nominal Voltage | 24V DC |
| Rated Current | 2.2A |
| Rated Power | 52.8 W |
| Ripple & Noise | <1% of Vote |
| Voltage Adjustment Range | 24–28V |
| Voltage Tolerance | ±1% |
| Line Regulation | ±1% |
| Load Regulation | ±1% |
| Turn-On Time | <3 sec @ full load |
| Hold-Up Time | ≥60 ms at 230 VAC; ≥10 ms at 115 VAC |
| Rise Time | <100 ms |
2. Input Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 90–264 VAC / 127–373 VDC |
| Frequency | 47–63 Hz |
| Efficiency | Up to 86% |
| AC Current | 0.9A at 115VAC; 0.5A at 230VAC |
| Inrush Current | <45A at 230VAC (cold start) |
| Leakage Current | <1 mA @ 240 VAC |
| No-Load 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 Conditions
| Parameter | Value |
|---|---|
| Operating Temp | −40°C to +70°C (derate above 50°C to 50% at 70°C) |
| Storage Temp | −40°C to +85°C |
| Humidity | 5–95% RH |
| Altitude | 2000 m |
| Cooling | Natural convection |
| Vibration | 10–500 Hz, 2G, 60 min/axis |
5. Safety & EMC Compliance
| Standard | Category | Level |
|---|---|---|
| CISPR32 | Conducted Emission | Class B |
| CISPR32 | Radiated Emission | Class A |
| IEC61000-4-2 | ESD | Level 4, Criteria A |
| IEC61000-4-3 | Radiated Susceptibility | Level 3, Criteria B |
| IEC61000-4-4 | EFT/Burst | Level 3, Criteria A |
| IEC61000-4-5 | Surge | Level 3, Criteria A |
| IEC61000-4-6 | Conducted Susceptibility | Level 3, Criteria B |
| IEC61000-4-8 | Magnetic Field | Level 3, Criteria A |
| IEC61000-4-11 | Voltage Dips | Criteria A & B |
| Safety Design | IEC 62368-1 |
6. Mechanical & Connector Details
Connectors (TRL1 block)
| Pin | Function |
|---|---|
| 1 | AC Line |
| 2 | AC Neutral |
| 3 | Earth |
| 4 | V1 Negative (DC −) |
| 5 | V1 Positive (DC +) |
Mechanical Notes
Dimensions: 99 × 82 × 30 mm (L × W × H)
Metal body enclosure
Table-top design with bottom mounting grooves
7. Derating Curve
100% load from −40°C to +50°C
Linearly derates to 50% at +70°C
APPLICATIONS
Industrial sensors & transducers
Data loggers & DAQ systems
PLC & controller auxiliary supply
Laboratory & panel instruments
Communication devices & IoT gateways
Test benches & panel utilities
WHAT’S IN THE BOX
Selec TPS50-24 Power Supply
Terminal block (factory fitted)
User instruction leaflet
FAQS
Q1. What is the output rating of TPS50-24?
24V DC, 2.2A (52.8W).
Q2. Does it support DC input?
Yes—127–373 VDC.
Q3. Is it protected against overload?
Yes, via hiccup mode with auto-recovery.
Q4. Can it operate at low temperatures?
Yes—startup is guaranteed down to −40°C (with ripple deviation).
Q5. What cooling does it use?
Natural air convection.