*mydirectindustry

DRB1

Product catalog summary

General Overview
The DRB120-24-3-A0 and DRB120-24-3-A1 are DIN-Rail power supplies designed for three-phase systems, providing 120W output at 24VDC. They feature a wide input range for global mains voltages and offer a power boost of 120% for 2 seconds to support capacitive load start-up.

Specifications

Output Voltage: Nominal 24VDC, adjustable between 22.5 to 29VDC.
Output Current: Nominal 5A, with a boost capability of 6A for 2 seconds.
Input Voltage: Nominal 3x400VAC, with a range of 3x350 to 575VAC.
Efficiency: Up to 91.3%.
Operating Temperature: -25 to +70°C, nominal operation up to +55°C.

Features & Benefits

Smart Hiccup behavior for short-circuit protection.
Parallel mode switch for load balancing.
Low inrush energy peak to reduce input line protection costs.
High efficiency and low standby losses for eco-friendly operation.
DC-OK and inhibit relay contacts for integration into control systems.

Certifications & Compliance
The product complies with international standards such as IEC EN 61010-1, IEC EN 62368-1, and UL CSA 61010-1. It meets EU directives for low voltage, EMC, and RoHS compliance.

Applications
Suitable for automation, industrial, semi-fab, renewable energy, communications, and testing applications.

Installation & Handling
The device requires installation in a protective enclosure and should not be operated in humid environments. It must be installed by qualified personnel, and any modifications void the warranty.

Electrical Output & Input

Output: Features constant current and hiccup mode for overload protection, with a short-circuit proof design.
Input: Supports TN, TT, and wye AC power systems with a frequency range of 47 to 63Hz.

Reliability & Service Lifetime
Minimum service lifetime is 184,000 hours, with a Mean Time Between Failure (MTBF) of 5.7 million hours.

Dimensions & Mechanical Data
Width: 55mm, Height: 129mm, Weight: 660g.

Accessories
Compatible with buffer modules, redundancy modules, and DC/DC converters for enhanced functionality.

Performance Specifications
The device operates at a nominal output power of 120W, with a boost power capacity of up to 144W for 2 seconds. It is not compliant with IEC/EN 61000-3-2 harmonic currents. The conversion efficiency is at least 91.3% for 400VAC and 91.2% for 500VAC, with an average efficiency of 89.8% and 88.9% respectively. Power consumption is a maximum of 12.0W at 500VAC, with standby consumption up to 2.1W.

Ambient Conditions
The device can be stored at temperatures ranging from -40°C to +85°C and operates between -25°C and +70°C. It supports natural convection cooling and can operate at altitudes up to 6000m, with power derating above 3000m. The device is designed for a pollution degree of 2 and can withstand vibrations and shocks as per IEC standards.

Reliability and Service Lifetime
The service lifetime varies with operating conditions, reaching up to 343,000 hours at 25°C and 100% output. The MTBF is calculated to be at least 1.1 million hours at 25°C. The maximum service lifetime guaranteed by the eCap manufacturer is 131,400 hours.

Dimensions & Mechanical Data
The enclosure is made of aluminum, with dimensions of 55mm width, 129mm height, and a depth of 135.7mm for the screw terminal model. The device weighs 660g and is designed to be mounted on a DIN-Rail.

Installation Clearances
Minimum clearances are specified for vertical and horizontal installations to ensure proper heat dissipation and safety.

Wiring & Connection
The device supports both slotted screw and push-in terminal types, with specific recommendations for wire types and stripping lengths. Compliance with IEC/EN/UL standards is required for certain wire types.

Signaling & Control
The device includes a DC OK relay and remote ON/OFF control, with specific voltage thresholds and delay times for operation.

Device Protection
The device features ingress protection of IP20 and includes overvoltage, undervoltage, overtemperature, and overcurrent protection mechanisms. It also has integrated input fuses and transient protection.

Electrical Safety
The device meets various IEC standards for protection and insulation, with specific requirements for grounding and leakage currents.

Electromagnetic Immunity and Emission
The device complies with IEC/EN standards for electromagnetic immunity and emission, ensuring it operates correctly in industrial environments and does not emit excessive noise.

Certifications
The document lists several certifications for safety requirements applicable to electrical equipment used in measurement, control, and laboratory settings. These include UL 61010-1, CAN/CSA-C22.2 No. 61010-1, and IEC EN 61010-1 among others. Additionally, it mentions compliance with audio/video and information technology equipment safety standards such as IEC EN 62368-1 and UL 62368-1.

Additional Safety Standards
The product design adheres to harmonized standards like IEC 60950-1 for information technology equipment safety, IEC/EN 62477-1 for power electronic converter systems, and IEC/EN 61558-2-16 for transformers and power supply units.

Compliance & Registration
The product conforms to health, safety, and environmental protection standards within the European Economic Area (EEA), UKCA for the UK market, and the Eurasian Customs Union. It also complies with directives like the WEEE Directive for recycling electrical goods and the RoHS Directive for restricting hazardous substances.

Typical Use-Cases

Parallel Operation: Power supplies can be paralleled for increased power or redundancy. Key measures include using identical power supplies, adjusting output voltage to the same value, and ensuring identical load wiring.
Series Operation: For higher load voltages, power supplies can be connected in series, with precautions such as not exceeding 250VDC and ensuring safety against unintended touching.
Two-Phase Operation: The device can operate on two phases of a 3-phase power grid without power derating, but with increased power losses and non-compliance with certain safety approvals.

Figures and Diagrams
The document includes various figures illustrating connection schemes for parallel and series operations, as well as diagrams for two-phase operation. These figures provide visual guidance on correct and incorrect wiring setups.

Catalog excerpts

DIN-Rail power supply 3 phase / 120W / 24V Technical datasheet Industries & Applications Features & Benefits ► Wide 3 phase input range for global mains voltages ► Power boost of 120% for 2s to support capacitive loads start-up ► Smart Hiccup behaviour in short-circuit situation avoids self-heating ► Parallel mode switch to activate load balancing behaviour ► Two means of transient protection increase process stability ► Fast OVP control protects sensitive loads ► Very low inrush energy peak (I²t) saves cost for input line protection ► Screw or push-in terminals available to serve individual connection needs ► High efficiency and low stand-by losses contribute to an eco-friendly energy footprint ► Strong CC overload behaviour secures process reliability under demanding load conditions ► DC-OK and inhibit relay contacts for professional integration into applications control architecture ► Designed to meet the 7 most accepted IEC safety standards ► Exceeds regulatory EMC standards on radiated emission (Class B), surge immunity and fast transients Technical data abstract1 Output voltage Adjustment range Output current Output current boost Overload behaviour Hold-up time2 Frequency range AC Input voltage AC Input voltage range Inrush current2 Inrush energy2 Output power Output power boost Power factor2 Conversion efficiency2 Power consumption Stand-by consumption2 Ambient operating temperature Service lifetime2 Service life MTBF Width Height Weight 1 Compliance & Registration EU Low Voltage Dir. 2014/35/EU EU EMC Dir. 2014/30/EU EU RoHS Dir. 2011/65/EU Safety and EMC Reg. 2016 Hazard. Substances Reg. 2012 Registration for Russia, Belarus, Armenia, Kazakhstan and Kyrgyzstan 10 All values refer to STC unless otherwise stated

Open the catalog to page 1

Commercial information Order codes HS code Life-cycle status Single packaging dimensions Width Height Depth Gross weight Multiple packaging quantity Manufacturer warranty Model selector Model name Output Power Output Voltage Screw terminals Push-in terminals Screw terminals Push-in terminals Screw terminals Push-in terminals Screw terminals Push-in terminals 20A buffer module for short-term hold-up or peak power in 24VDC load systems. 40A redundancy module for creating redundant power supply systems up to 2x 20A. 40A redundancy module with additional signaling features for creating redundant...

Open the catalog to page 2

List of abbreviations avg. CC chap. Dir. eCap EMC Iac Iout Iout_boost Iout_nom Iout_ol Iout_sc ITU max. OCP OTP OVP PELV Pout Pout_boost Pout_nom PSU Reg. SELV STC typ. Uout Uout_nom Uset UVP Vac Vac_nom / .. The arithmetic average calculated from a row of values. Constant output current Chapter Directive Electrolytic capacitor Electromagnetic Compatibility AC input current under a particular operating condition DC output current under a particular operating condition Max. DC output current (time limited) without a shortfall of Uset. Nominal DC output current Max. intermittent DC output current...

Open the catalog to page 4

1. General 1.1 Handling of the product To ensure faultless and safe operation of the products it is required to observe the specified ambient conditions for transport and storage (see "Ambient conditions" on page 9), set-up, assembly, installation, commissioning, operation and maintenance. 1.2 Protection enclosure required The device must be installed in a protective housing or control cabinet to which only qualified personnel have access. 1.3 Humid environments Do not operate the device in a damp environment or in an environment where condensation is likely to occur. 1.4 Switch/Circuit-breaker...

Open the catalog to page 5

2. Electrical output Output voltage [Uout_nom] Adjustment range [Uset] Adjustment tolerance Factory default Output current [Iout_nom] Boost current [Iout_boost] Overload behaviour Overload current Intermittent OL current [Iout_ol] at upper/lower end position of voltage potentiometer Short-circuit proof Instant SC current [Iout_sc] Start-up delay Rise time Voltage overshoot Fall time Hold-up time Capacitive load Feedback voltage Line regulation Load regulation Dynamic response Ripple & noise voltage Fig. 3: Hold-up times under different load conditions and in dependence of the input voltage Normal...

Open the catalog to page 6

3. Electrical input AC power systems Mains Frequency Frequency range AC input voltage [Vac_nom] Voltage range Turn-ON voltage Turn-OFF voltage AC input current AC input current RMS Crest factor Inrush current Inrush energy Input capacitance Input mains voltage Fig. 7: Inrush current and energy during start-up phase Unless otherwise stated, all values are specified in normal mounting position, at full load, nominal input and output voltages, 25°C (77°F) ambient temperature and a run-in time of

Open the catalog to page 7

4. Performance Output power [Pout_nom] Boost power [Pout_boost] Dropped phase power Apparent input power Active input power Reactive input power Power factor Conversion efficiency Power consumption Stand-by consumption CONVERSION EFFICIENCY [%] Fig. 8: Conversion efficiency in dependence of the output power Fig. 9: Power losses in dependence of the output power 0,6 Pout_nom Cycle duration (CD) Fig. 10: Cycle duration in dependence of the ambient temperature and usage of the full boost power (120% / 2s) Fig. 11: Input power factor in dependence of the output current TYP. INPUT CURRENT PER PHASE...

Open the catalog to page 8

5. Ambient conditions Ambient storage temperature Ambient operating temperature Pollution degree IEC 60664-1, IEC 62477-1 Vibration sinusoidal IEC 60068-2-6 Shock test sinosoidal halfwave IEC 60068-2-27 Audible noise Percental power derating Temperature derating Atmospheric pressure Cooling concept Relative storage humidity IEC 60068-2-30 Relative operation humidity IEC 60068-2-30 Operating altitude Power derating normal mounting position normal mounting position >55°Camb (>131°Famb), not actively controlled non-condensing non-condensing not UL approved >3000mASL (>9842ftASL) >3000mASL (>9842ftASL)...

Open the catalog to page 9

6. Reliability and Service lifetime Service lifetime min. Early life MTBF Telcordia SR-332 Issue 4 Service life MTBF Telcordia SR-332 Issue 4 he maximum service lifetime guaranteed by the eCap manufacturer is 131 400hrs (15 years). All values above T are theoretically calculated. 800 3 LIFE CYCLE PHASE Fig. 15: Power supply service lifetime in dependence of ambient temperature Service life (model dependent) Fig. 16: Generic diagram visualising failure rate and MTBF values during the products life-cycle Unless otherwise stated, all values are specified in normal mounting position, at full load,...

Open the catalog to page 10

DRB1

DRB1

Catalog excerpts

All TDK-Lambda catalogs and technical brochures