16A AC Einschaltstrombegrenzer   16A AC Inrush Current Limiter

Technical Information & Details for MEAN WELL HLG-240H-54AB Power Supply Output Power: 240.3 W Output Voltage: 54 V DC Voltage Adj. Range: 49 V – 58 V (via internal potentiometer) Rated Current: 4.45 A Current Adj. Range: 2.23 A – 4.45 A (via internal potentiometer) Dimming Function: 3-in-1 dimming (1-10V DC, 10V PWM, Resistance) Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC Efficiency: 94 % Operating Temperature: −40 °C to +90 °C (case temperature) Ingress Protection: IP65 (Dust-tight & Water jet protected) Typical Lifetime: > 62,000 hours Dimensions (L x W x H): 244.2 mm x 68 mm x 38.8 mm Safety Certificates: UL8750, EN61347-1, Type HL Manufacturer Warranty: 7 years Information about the MEAN WELL HLG-240H-54AB The MEAN WELL HLG-240H-54AB stands as the most versatile high-voltage driver in the 240W series. Its AB-type configuration delivers a dual-layer control interface: internal potentiometers for manual hardware calibration of voltage (up to 58V) and current, alongside a 3-in-1 dimming interface for active remote management via 1-10V, PWM, or resistance. This makes it an ideal choice for high-voltage LED clusters, smart industrial lighting, and as a sophisticated charger for 48V battery systems. The unit features a dual-mode output, providing maximum stability by transitioning between constant voltage and constant current as needed. With its Type HL certification for hazardous locations and a rugged IP65 metal enclosure, it is built for the most demanding environments. Boasting a peak efficiency of 94% and backed by an industry-leading 7-year warranty, the HLG-240H-54AB offers an uncompromising, maintenance-free power solution for professional infrastructure.

Technical Information & Details for the MEAN WELL DBUF20-24 Buffer Module Function: DIN Rail Type Buffer Module DC Normal Operating Voltage: 24V DC Output Current: 20 A (Max.) Buffering Time (20A Load): 350ms (Min.) / 700ms (Typ.) Buffering Time (0.1A Load): 30s (Min.) / 45s (Typ.) Charging Current: 900mA Max. Charging Time: 15s (Typ.) / 25s (Max.) Buffer Mode Selection: Fixed mode (22Vdc) or Dynamic mode (Vin-1Vdc) Operating Temperature: -25 °C to +75 °C Cooling: Fanless natural convection Protection Functions: Short circuit, Overload, Over voltage, Reverse polarity Energy Storage: Maintenance-free electrolytic capacitors Signals & Monitoring: LED indicator, Inhibit, Ready, and Buffering signals Parallel Connection: Supported to extend hold-up time or ampacity Dimensions (W x H x D): 63 mm x 125.2 mm x 114.9 mm Weight: 1.062 kg Safety & EMC Certificates: CE, UKCA, UL 62368-1, IEC 62368-1, EAC Manufacturer Warranty: 3 years Information about the MEAN WELL DBUF20-24 The MEAN WELL DBUF20-24 is a high-performance DIN rail buffer module designed to provide reliable power backup for 24V DC regulated systems. Unlike traditional UPS systems that rely on lead-acid batteries, this module utilizes maintenance-free electrolytic capacitors to store energy. This unique characteristic eliminates the need for periodic battery replacements and ensures a significantly longer functional life span, making it an ideal choice for industrial control systems, semiconductor fabrication, and factory automation. By bridging short-term AC power failures or brownouts, it prevents system resets and data loss in sensitive electromechanical apparatus. One of the standout strengths of the DBUF20-24 is its versatile operational modes, allowing users to choose between a fixed mode at 22Vdc or a dynamic mode that triggers when the input voltage drops by more than 1Vdc. It features comprehensive protection against over-voltage, over-current, and short circuits, coupled with a robust reverse polarity protection via internal MOSFETs. For systems requiring extended backup periods, the module supports parallel connection to increase total hold-up time or output ampacity. Its wide operating temperature range and fanless design ensure peak performance in harsh industrial environments, backed by comprehensive signal outputs for remote monitoring of the ready and buffering states.

Technical Information & Details for the MEAN WELL NDR‑120‑24 Power Supply Output Power: 120 W Output Voltage: 24 V DC Output Current: 5 A Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz Efficiency: up to 88 % Ripple & Noise: ≤ 150 mVp-p Inrush Current: max. 20 A @115 VAC / 40 A @230 VAC No-Load Power Consumption: < 0.75 W Operating Temperature: −20 °C to +70 °C Cooling: fanless natural convection Protection Features: short-circuit, overload, overvoltage, overtemperature Overvoltage Category: OVC II Isolation Voltage: 3000 V AC between input and output Dimensions (H x W x D): 125.2 mm x 40 mm x 113.5 mm Weight: approx. 670 g Safety & EMC Certificates: CE, UL 508, TUV, CB, EAC LED Indicator: Power On Indicator Manufacturer Warranty: 3 years About the MEAN WELL NDR-120-24 The MEAN WELL NDR-120-24 is a powerful DIN-rail industrial power supply delivering 120 W with stable 24 V DC / 5 A output. It excels with superior efficiency up to 88 %, fanless natural convection cooling for silent operation, and a ultra-narrow 40 mm metal housing. Comprehensive protection features (short-circuit, overload, overvoltage, overtemperature) with automatic recovery ensure maximum operational safety. Ideal for PLC controls, industrial automation, sensor networks, and building management systems – the universal 90–264 V AC input range enables global deployment. With international certifications, the NDR-120-24 provides optimal energy efficiency, durability, and space savings in demanding industrial environments.

Technical Information & Details about the MEAN WELL HDR-100-24N Power Supply Output Power: 100.8 W Output Voltage: 24 V DC (nominal) Output Current: 4.2 A Current Range: 0 – 4.2 A Input Voltage Range: 85 – 264 V AC (277 V AC operational) / 120 – 370 V DC (390 V DC operational), 47 – 63 Hz Efficiency: typ. 90 % Ripple & Noise: ≤ 150 mVp-p Output Voltage Adjustment Range: 21.6 – 29 V DC (extended Non‑LPS range) Voltage Tolerance: ±2.0 % Line Regulation: ±1.0 % Load Regulation: ±1.0 % Setup, Rise Time: 500 ms, 60 ms @230 V AC / 115 V AC (full load) Hold-up Time: 30 ms @230 V AC / 12 ms @115 V AC (full load) AC Input Current (typ.): 3 A @115 V AC / 1.6 A @230 V AC Inrush Current: 35 A @115 V AC / 70 A @230 V AC (cold start) No-load Power Consumption: < 0.3 W Operating Temperature: −30 °C to +70 °C (with derating according to curve) Operating Humidity: 20 – 90 % RH, non‑condensing Storage Conditions: −40 °C to +85 °C, 10 – 95 % RH, non‑condensing Cooling: fanless free air convection Protection Features: short circuit (hiccup mode, auto recovery), overload (constant current limiting within 50–100 % of rated output voltage, auto recovery), overvoltage (shut down, re‑power to recover) Overvoltage Protection Threshold: 30 – 36 V DC Overvoltage Category: OVC III (up to 2000 m altitude) Isolation Voltage: 4000 V AC between input and output Isolation Resistance: ≥ 100 MΩ @ 500 V DC, 25 °C, 70 % RH Dimensions (W x H x D): 70 mm x 90 mm x 54.5 mm Weight: approx. 270 g Housing Material: insulating plastic housing, Class II, ultra‑slim 4‑SU step‑shape Mounting: DIN rail TS35/7.5 or TS35/15 Vibration Resistance: 10 – 500 Hz, 2 G, 60 min per axis (X, Y, Z) Safety & EMC Certificates: UL 62368‑1, UL 508, TUV BS EN/EN 61558‑2‑16, BS EN/EN 61558‑1, IEC 62368‑1, EAC TP TC 004, BSMI CNS15598‑1, BIS IS13252, compliant with BS EN/EN 55032, BS EN/EN 55035, BS EN/EN 61000‑6‑2, BS EN/EN 61204‑3 LPS Classification: Non‑LPS (extended adjustment range, higher usable output power up to 100.8 W) LED Indicator: Power‑On status LED Manufacturer Warranty: 3 years About the MEAN WELL HDR-100-24N The MEAN WELL HDR-100-24N is the Non‑LPS version of the HDR‑100‑24 models and delivers up to 100.8 W at 24 V DC and 4.2 A in an ultra‑slim 70 mm DIN‑rail housing. Its extended 21.6–29 V adjustment range offers additional voltage headroom for long cable runs, inductive loads and demanding 24 V control circuits, going well beyond the tighter LPS‑compliant window of “blank” units. Combined with universal input, high efficiency, fanless free air convection, comprehensive protection features and broad safety/EMC approvals, HDR-100-24N is a powerful, flexible 24 V supply for industrial control systems, building automation, valves, relays, sensors and OEM applications that must fully utilize the 100 W class.

Technical Information & Details of the MEAN WELL HDR-15-24 Power Supply Output Power: 15.2 W Output Voltage: 24 V DC Output Current: 0.63 A Output Current Range: 0 – 0.63 A Output Voltage Adjustment Range: 21.6 – 29 V DC Ripple & Noise: ≤ 150 mVp-p Voltage Tolerance: ±1.0 % Line Regulation: ±1.0 % Load Regulation: ±1.0 % Input Voltage Range: 85 – 264 V AC (277 V AC operational) / 120 – 370 V DC (390 V DC operational) Input Frequency: 47 – 63 Hz Efficiency (typ.): 86 % AC Input Current (typ.): 0.5 A @115 V AC / 0.25 A @230 V AC Inrush Current (typ.): 25 A @115 V AC / 45 A @230 V AC (cold start) No-load Power Consumption: < 0.3 W Overload Protection: 110 – 145 % of rated power, constant current limiting within 50 – 100 % of rated output voltage, hiccup mode when Vout < 50 %, auto recovery Overvoltage Protection: 30 – 36 V DC, shut off output, clamping by zener diode Operating Temperature: −30 °C to +70 °C (derating according to curve) Operating Humidity: 20 – 90 % RH, non-condensing Storage Temperature / Humidity: −40 °C to +85 °C, 10 – 95 % RH, non-condensing Temperature Coefficient: ±0.03 % / °C (0 – 50 °C) Vibration Resistance: 10 – 500 Hz, 2 G, 10 min./cycle, 60 min. per axis (X, Y, Z) Operating Altitude: up to 2,000 m (derating above 2,000 m) Isolation Voltage: 4 kVAC (input–output) Isolation Resistance: > 100 MΩ @500 VDC, 25 °C, 70 % RH Dimensions (W x H x D): 17.5 mm x 90 mm x 54.5 mm Weight: approx. 74 g Mounting: DIN rail TS35/7.5 or TS35/15, ultra-slim 1-SU step-shape housing Housing / Isolation Class: plastic housing, isolation Class II, LPS (Limited Power Source) Front Indicators / Controls: LED indicator for power on, adjustable DC output voltage Safety Approvals: UL62368‑1, UL508, TUV BS EN/EN61558‑2‑16, BS EN/EN61558‑1, IEC62368‑1, EAC TP TC 004, BSMI CNS15598‑1, BIS IS13252 (Part1) (except 48 V) EMC Emission: EN55032 (CISPR32), CNS15936 Class B; EN61000‑3‑2, EN61000‑3‑3 EMC Immunity: EN55035, EN61000‑6‑2, EN61204‑3; EN61000‑4‑2/3/4/5/6/8/11 MTBF (typ.): 3,724,300 h (Tel