Selec RPS240 DIN Rail Mount 240W Power Supply
Selec RPS240-24-CU Industrial Power Supply – 24V DC, 10A, 240W, DIN Rail UL508 SMPS
A high-efficiency 240W DIN-rail industrial SMPS with 24V / 10A regulated output, universal 90–264VAC input, up to 93% efficiency, complete electronic protections, UL508 approval, and a wide −25°C to +70°C operating range.
The Selec RPS240-24-CU is a heavy-duty 240W DIN-rail SMPS designed for industrial automation, PLCs, DCS, machine control, and instrumentation systems. With 24V/10A regulated output, high 93% efficiency, and robust protection features, this power supply ensures reliable and safe operation in demanding environments.
KEY FEATURES
24V DC, 10A, 240W output
Universal 90–264 VAC / 127–370 VDC input
Very high efficiency: up to 93%
Ripple & noise <1% of Vout
Overload protection (110–140%), hiccup mode
Overvoltage protection (latched type)
Short-circuit protection (auto-recovery)
Over-temperature shutdown at ~120°C, auto restart at ~90°C
Natural convection cooling
UL508 approved (E522848)
Adjustable output: 24–28V
−25°C to +70°C operation (derating above 50°C)
DC-OK signal relay output (22.5V open, 23.0V close typ.)
Leakage current <1mA @ 264VAC
TECHNICAL SPECIFICATIONS
Output Specifications
| Parameter | Value |
|---|---|
| Nominal Voltage | 24V DC |
| Rated Current | 10A |
| Rated Power | 240W |
| Current Range | 0–10A |
| Ripple & Noise | <1% of Vote |
| Voltage Adjustment | 24–28V |
| Voltage Tolerance | ±1% |
| Line Regulation | ±1% |
| Load Regulation | ±1% |
| Turn-on Time | <2 sec @ full load |
| Hold-up Time | >25ms @24V; >16ms @28V for 115/230VAC |
| Rise Time | <100ms |
Input Specifications
| Parameter | Value |
|---|---|
| Voltage Range | 90–264 VAC / 127–370 VDC |
| Frequency | 50/60 Hz |
| AC Current | 2.4A at 115VAC; 1.2A at 230VAC |
| Efficiency | Up to 93% |
| Inrush Current | <60A at 264VAC (cold start) |
| Leakage Current | <1 mA |
Protection Features
| Protection | Description |
|---|---|
| Overload | 110–140% rated current, hiccup mode |
| Overvoltage | 31 VDC ±0.5 V; latched, AC recycle required |
| Short-Circuit | Hiccup mode, auto-recovery |
| Over-Temperature | Shutdown at ~120°C; restart at ~90°C |
DC-OK Relay Output
| Condition | Relay State |
|---|---|
| Contact closes | At 23.0V (typ.) |
| Contact opens | At 22.5V (typ.) |
| Contact Rating | 30VDC 1A; 60VDC 0.5A; 125VAC 0.5A |
Environmental Specifications
| Parameter | Value |
|---|---|
| Operating Temp | −25°C to +70°C (derate above 50°C) |
| Storage Temp | −40°C to +85°C |
| Humidity | 5–95% RH non-condensing |
| Cooling | Natural convection |
| Vibration | 10–500 Hz, 2G, 10 min per axis |
| Altitude | 2000 m |
Safety & EMC Compliance
| Standard | Testing Level |
|---|---|
| CISPR32 Conducted Emission | Class B |
| CISPR32 Radiated Emission | Class A |
| ESD (IEC61000-4-2) | Level 4, Criteria A |
| Radiated Susceptibility | Level 3, Criteria B |
| EFT/Burst | Level 3, Criteria A |
| Surge | Level 3, Criteria A |
| Conducted Susceptibility | Level 3, Criteria B |
| Voltage Dips & Interruption | Criteria A & B |
| Safety | UL508 approved (E522848), IEC 62368-1 design |
Mechanical Specifications
| Parameter | Value |
|---|---|
| Dimensions | 50×136×135 mm |
| Weight | 645 g |
| Material | Plastic housing |
| DIN Rail | 35 mm standard |
| Connector Type | GOOSVN GS007S-7.5 (input), GS007S-5.08 (output) |
| Connector Torque | 0.5 Nm |
Terminal Connections
L, N → AC Input
+V, –V → 24V DC Output
PE → Protective Earth
DC OK Relay Terminals
Derating Curves
100% output from −25°C to 50°C
Linear derating from 50°C to 70°C (down to 50%)
Input voltage derating from VAC to 90 VAC
APPLICATIONS
PLC, DCS & SCADA systems
Industrial sensors, valves & field devices
Robots, conveyors & machine automation
Building automation, access control
Panels requiring high-power 24V DC
Distributed control systems
Process control machines
WHAT’S IN THE BOX
Selec RPS240-24-CU Power Supply
DIN rail mounting clip
User instruction leaflet
FAQS
Q1. What is the output of RPS240-24-CU?
24V DC, 10A (240W).
Q2. Does it support DC input?
Yes—127 to 370V DC.
Q3. What protections are included?
Overload, overvoltage, short circuit, over-temperature.
Q4. Is there a DC-OK signal?
Yes—relay output closes at 23.0V and opens at 22.5V.
Q5. Is it UL certified?
Yes—UL508 approved (E522848).