Description:
The LRS-50 is a high-performance switch-mode power supply manufactured by renowned power solutions provider SMUN, specifically designed for medium to high-power applications and highly regarded for its efficiency, stability, and versatility. Here is a concise overview of the LRS-50 switch-mode power supply and its primary applications:
Feature:
1.High-Efficiency Conversion:
2.Wide Input Voltage Range:
Supports universal AC input voltage ranges, such as 85 to 264VAC, or DC input ranges like 120 to 370VDC, ensuring reliable operation across diverse global power grids.
3.Diverse Output Voltages:
Offers multiple fixed-output voltage versions, including LRS-50-12 (12V output), LRS-50-24 (24V output), and LRS-50-48 (48V output), catering to varying voltage requirements of different devices.
4.Precision Regulation:
Incorporates precise voltage regulation circuitry, ensuring output voltage remains steady under load variations, with excellent load regulation, providing consistent power supply to load equipment.
5.Comprehensive Protection：
Equipped with built-in overcurrent, short-circuit, overvoltage, undervoltage, and overtemperature protections, ensuring timely disconnection of power in abnormal conditions, safeguarding both the power supply and connected load devices.
6.Efficient Cooling & Robust Construction:
Features effective cooling designs and premium materials to maintain low operating temperatures even at full load, prolonging the unit's lifespan. The enclosure is structurally robust, offering good mechanical protection.
7.International Approvals:
Conforms to CE, RoHS, and other international safety and environmental standards, passing relevant electromagnetic compatibility (EMC) tests, ensuring global market compliance.
Applications:
The LRS-50 switch-mode power supply, due to its exceptional performance and reliability, finds widespread use in various industries and equipment with stringent power quality demands:
1.Industrial Automation:
Provides stable power for PLCs, servo drives, sensors, human-machine interfaces (HMIs), and industrial robots.
2.LED Lighting:
Supplies constant voltage and current drive to indoor and outdoor LED luminaires, such as panel lights, spotlights, linear lights, and streetlights.
3.Security Surveillance:
Delivers dependable power to CCTV cameras, video surveillance systems, access control systems, and alarm devices.
4.Telecommunications Equipment:
Powers base station equipment, routers, switches, and wireless access points in network communications infrastructure.
5.Medical Devices:
6.Laboratory Instruments:
Supplies clean, stable power to analytical instruments, measurement devices, and benchtop power supplies in precision laboratory environments.
Specifications:
| Model | LRS-50-12 | LRS-50-15 | LRS-50-24 | LRS-50-36 | LRS-50-48 |
| Output | DC Voltage | 12V | 15V | 24V | 36V | 48V |
| Current Range | 0-4.2A | 0-3.4A | 0-2.1A | 0-1.4A | 0-1.1A |
| Rated Power | 50.4W | 51W | 50.4W | 50.4W | 52.8W |
| Ripple Noise(Max) | 120mVp-p | 120mVp-p | 150mVp-p | 200mVp-p | 200mVp-p |
| Voltage Adj.Range | 10.8~13.2V | 13.5~16.5V | 21.6~26.4V | 32.4~39.6V | 43.2~52.8V |
| Voltage Tolerance | ±1.0% | ±1.0% | ±1.0% | ±1.0% | ±1.0% |
| Line Regulation | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% |
| Load Regulation | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% |
| Set up,Rise time | 1000ms,30ms/230VAC 2000ms,30ms/115VAC(full load) |
| Hold up Time | 30ms/230VAC 12ms/115VAC(full load) |
| Input | Voltage Range | 85 ~264VAC 120~373VDC |
| Frequency | 47 ~ 63Hz |
| Efficiency | 86% | 86% | 88% | 89% | 90% |
| AC Current | 0.95A/115VAC 0.56A/230VAC |
| Inrush Curent | COLD START: 45A/230VAC |
| Leakage Current | <0.75mA / 240VAC |
| Protection | Overload | 110 ~ 150% rated output power |
| Protection tye:Hiccup mode,recovers automatically after fault condition is removed |
| Over Voltage | 13.8~16.2V | 18.8~21.8V | 27.6~32.4V | 41.4~48.6V | 55.2~64.8V |
| Protection type : Shut off o/p voltage, re-power on to recover |
| Environment | Working Temperature | -10 ~ +70℃ (Refer to derating curve as datasheet from SMUN) |
| Working Humidity | 20 ~ 90% RH non-condensing |
| Storage Temp.Humidity | -45 ~ +85℃, 20 ~ 95% RH non-condensing |
| Temp.Coefficient | ±0.03%/℃ (0 ~ 50℃) |
| Vibration | 10~500Hz,2G 10 min/1 cycle,60min.each X Y Z axes |
Safety
| Safety Standards | GB4943.1,EN60950.1 Approved |
| Withstand Voltage | I/P-O/P:1.5KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC |
| Isolation Resistance | I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC/25℃/70% RH |
| EMC Emission | EN61000-3-2:2014/EN61000-3-3:2013 |
| EMC Immunity | EN 55032:2015/EN55035:2017/60950-1 |
| Others | MTBF | ≥720.6K hrs MIL-HDBK-217F(25℃) |
| Dimension | 99*98*30mm (L*W*H) |
| Packing | 0.23Kg; 60pcs/14.8Kg/43*23*33mm/CTN |
| Note | 1.All parameters NOT specially mentioned are measured at 230VAC input,rated load and 25℃ of ambient temperature. 2.Ripple noise are measured at 20MHz of bandwidth by using a 12"twisted pair-wire terminated with a 0.1uf and 47uf parallel capacitors. 3.Tolerance includes set up tolerance,line regulation and load regulation. 4.Derating output is required under low input voltage.Please refer to derating curve for details. 5.The power supply should be considered as a part of the components in the system.All EMC tests will test samples on a metal iron plate with a thickness of 1mm,a length of 360mm and width of 36mm. 6.Please contact with SMUN customer service for more details. |
