QT40.361

QT40.361
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QT40.361

Product catalog summary
Product Overview: The QT40.361 is a high-efficiency, compact DIN rail power supply from the Q-Series, designed for three-phase input (3AC 380-480V) with a nominal output of 36V and 26.7A. It features a wide input range, active power factor correction, and active filtering of input transients. The unit can deliver 1440W for up to 4 seconds with a peak current of 72A for easy fuse tripping.
Key Specifications:
  • Output Voltage: 36V nominal, adjustable between 36-42V.
  • Output Current: 26.7A continuous, 40A short-term (4s).
  • Efficiency: 95.3% at full load.
  • Dimensions: 110x124x127mm, Weight: 1.5kg.
  • Temperature Range: Operational between -25°C and +70°C.
Installation and Safety: The device is intended for installation in an enclosure and is suitable for commercial use in industrial control and monitoring equipment. It must be installed by qualified personnel, with specific attention to electrical, mechanical, and fire safety standards. The device should not be used in wet locations and requires proper ventilation.
Input and Output Features:
  • AC Input: Nominal 3AC 380-480V, with a frequency of 50-60Hz.
  • Inrush Current: Limited to a negligible low value, typically 4.5Apeak.
  • Output: Nominal 36V with a ripple and noise voltage of less than 130mVpp.
Functional Features:
  • BonusPower: Provides 150% power for starting heavy loads.
  • Current Sharing: Allows for parallel use to increase output power.
  • Remote Control: Output voltage can be remotely controlled.
  • Diagnostics: Includes DC-OK relay contact and LEDs for status indication.
Approvals and Compliance: The power supply complies with various international standards, including UL 61010, making it suitable for a wide range of applications.
Accessories: Optional accessories include a wall mount bracket (ZM2.WALL) and a redundancy module (YR40.482).
Specifications: The QT40.361 power supply operates at 36-42V with a nominal continuous output power of 960W and a short-term BonusPower capability of 1440W for up to 4 seconds. The peak current is 72A for up to 10ms, with output voltage remaining above 30V. Short-circuit current ranges from 27A to 45A depending on load impedance.
BonusPower: This feature allows the power supply to handle higher short-term power demands without damage. The BonusPower is hardware controlled and available repeatedly, with a recovery time of approximately 7 seconds.
Hold-up Time: The hold-up time is typically 50ms at 36V, 13.3A, and 25ms at 36V, 26.7A, for both 3AC 400V and 3AC 480V inputs.
DC-OK Relay Contact: This monitors the output voltage, closing when it reaches 90% of the adjusted voltage and opening if it dips more than 10% below. The contact ratings are max 60Vdc 0.3A, 30Vdc 1A, and 30Vac 0.5A.
Shut-down Input: This feature allows the output to be switched off with a signal switch or external voltage. The shut-down occurs immediately, while turn-on is delayed up to 350ms. Frequent shut-downs can reduce product lifetime.
Remote Control of Output Voltage: The shut-down input can adjust the output voltage between 21Vdc and 42Vdc. Frequent adjustments of more than 4V can reduce the lifetime.
Internal Data Logging: A microcontroller logs operational data, which can be downloaded for troubleshooting. Data includes operational hours, input voltage, temperature, and failure data.
Efficiency and Power Losses: The efficiency is approximately 95.3% at 36V, 26.7A for 3AC 400V and 95.2% for 3AC 480V. Power losses vary with load, from 1.5W with shut-down to 48.4W at full load.
Lifetime Expectancy and MTBF: The calculated lifetime expectancy is up to 363,000 hours at 25°C and 36V, 13.3A. MTBF is 375,000 hours at 40°C and 36V, 26.7A according to SN 29500, IEC 61709.
Terminals and Wiring: Terminals are IP20 finger-safe, with specific wire and torque requirements. Daisy chaining is allowed if current through one terminal pin does not exceed 54A.
Front Side and User Elements: The front side includes input and output terminals, a "Parallel Use" selector, and other user elements for configuration.
Procedures: The power supply can be shut down or controlled remotely. It supports parallel use, which adjusts the output voltage to be approximately 4% higher at no load compared to nominal load.
EMC Standards: The device complies with EMC immunity standards EN IEC 61000-6-1 and EN IEC 61000-6-2, and emission standards EN IEC 61000-6-3, EN IEC 61000-6-8, and EN IEC 61000-6-4. It is suitable for industrial, residential, commercial, and light industry environments.
Environmental Conditions: Operational temperature ranges from -25°C to +70°C, with output derating above 60°C. The device can operate at altitudes up to 5000m with derating above 2000m.
Protection Features: The power supply is protected against overload, no-load, and short-circuits. It includes over-voltage and over-temperature protection, with automatic restart capabilities.
Safety Features: It provides input/output separation with SELV and PELV standards, requiring a PE connection. The device has a high isolation resistance and low touch current.
Dielectric Strength: The output voltage is floating, with type and factory tests conducted by the manufacturer. Field tests should be performed with specific settings to ensure safety.
Standards Compliance: The device is UL and IEC certified, meeting various safety and environmental standards, including the CE mark for EMC, low-voltage, and RoHS directives.
Physical Dimensions: The unit measures 110mm in width, 124mm in height, and 127mm in depth, with a weight of 1500g. It is designed for DIN rail mounting.
Application Notes: The power supply supports repetitive pulse loading with BonusPower capability, allowing short-term power demands up to 150% of nominal output. Specific rules and duty cycles must be followed to prevent overload.
Peak Current Capability: The power supply can deliver peak currents higher than the specified short-term currents, which is beneficial for starting current-demanding loads like solenoids and capacitive loads. The peak current capability ensures safe operation of circuit breakers in load circuits.
External Input Protection: The unit is approved for branch circuits up to 30A (U.S.A.) and 32A (IEC). External protection is required if the supplying branch exceeds this ampacity. A minimum of 6A B- or C-Characteristic breaker is recommended.
Using Only Two Legs of a 3-Phase System: The power supply can operate on two legs of a 3-phase system, but it is not recommended due to potential network imbalance and reduced lifetime. Output power must be reduced according to specified curves.
Charging of Batteries: The power supply can charge lead-acid or maintenance-free batteries. Specific instructions include setting the output voltage precisely and using appropriate circuit breakers.
Output Circuit Breakers: Standard miniature circuit breakers can be used for DC branches. Fast tripping is necessary to avoid voltage dips in adjacent branches.
Parallel Use to Increase Output Power: Power supplies can be paralleled to increase output power. Adjustments are required for load sharing, and specific installation clearances must be maintained.
Parallel Use for Redundancy: Power supplies can be paralleled for redundancy to ensure higher system availability. Recommendations include using separate input fuses and monitoring individual units.
Series Operation: Power supplies can be connected in series for higher output voltages, with precautions for voltages above 60Vdc.
Inductive and Capacitive Loads: The unit is designed to supply any kind of loads, including capacitive and inductive loads.
Back-Feeding Loads: The power supply is resistant to back-feeding loads, with a maximum allowed feedback voltage of 50Vdc.
Use in a Tightly Sealed Enclosure: Temperature rise inside a sealed enclosure is detailed, with specific measurement results provided.
Mounting Orientations: Different mounting orientations require adjustments in output power or ambient temperature limits, affecting the lifetime expectancy of the power supply.
See more

Catalog excerpts

QT40.361-1

PULS □innemsiom Q-Series 36V, 26.7A, Three Phase Input Power Supply 3AC 380-480V wide-range input Three input fuses included Width only 110mm, weight only 1.5kg 95.3% full load and excellent partial load efficiencies 50% BonusPower, 1440W for up to 4s 72A peak current for 10ms for easy fuse tripping Active PFC (power factor correction) Active filtering of input transients Negligible low input inrush current surge Full power between -25°C and +60°C Current sharing feature for parallel use Internal data logging for troubleshooting included Remote control of output voltage DC-OK relay contact Shut-down input 3 year warranty The most outstanding features of the DIMENSION Q-Series DIN rail power supplies are the extremely high efficiencies and the small sizes, which are achieved by a synchronous rectification and other technological designs. Large power reserves of 150% support the starting of heavy loads such as DC-motors or capacitive loads. In many cases this allows the use of a unit from a lower wattage class which saves space and money. High immunity to transients and power surges as well as low electromagnetic emission makes usage in nearly every environment possible. The integrated output power manager, the three input fuses and near zero input inrush current make installation and usage simple. Diagnostics are easy due to the DC-OK relay, a green DC-OK LED and the red overload LED. A large international approval package for a variety of applications makes this unit suitable for nearly every application. | Short-form Data Output voltage Adjustment range Output current Output power Output ripple Input voltage Mains frequency AC Input current Power factor AC Inrush current Efficiency Power losses Temperature range Derating Hold-up time Dimensions (wxhxd) Weight factory setting 36V continuous short term (4s) continuous short term (4s) 20Hz to 20MHz -15%/+10% Order Numbers | Main Approvals Power Supply QT40.361 36-42V Standard unit Accessory ZM2.WALL Wall mount bracket For details and the complete approval list, see chapter 22. All parameters are specified at 36V, 26.7A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.

 Open the catalog to page 1
QT40.361-2

□innemsiom Q-Series 36V, 26.7A, Three Phase Input The information presented in this document is believed to be accurate and reliable and may change without notice. No part of this document may be reproduced or utilized in any form without permission in writing from the publisher. PE and symbol Earth, Ground t.b.d. PE is the abbreviation for Protective Earth and has the same meaning as the symbol . This document uses the term "earth" which is the same as the U.S. term "ground". To be defined, value or description will follow later. A figure displayed with the AC or DC before the value represents...

 Open the catalog to page 2
QT40.361-3

QT40.361 36V, 26.7A, THREE PHASE INPUT 1. INTENDED USE This device is designed for installation in an enclosure and is intended for commercial use, such as in industrial control, process control, monitoring, measurement equipment or the like. Do not use this device in equipment, where malfunctioning may cause severe personal injury or threaten human life without additional appropriate safety devices, that are suited for the end application. If this device is used in a manner outside of its specification, the protection provided by the device may be impaired. 2. INSTALLATION INSTRUCTIONS WARNING...

 Open the catalog to page 3
QT40.361-4

□innemsiom Q-Series 36V, 26.7A, Three Phase Input AC input nom. 3AC 380-480V suitable for TN, TT and IT mains networks, grounding of one phase is allowed AC input range 3x 323-528Vac continuous operation Turn-on voltage typ. 3x 305Vac steady-state value, load independent, see Fig. 3-1 Shut-down voltage typ. 3x 275Vac steady-state value, load independent, see Fig. 3-1 Input current typ. 1.58A 1.3A at 36V, 26.7A, symmetrical phase voltages, Rise time typ. 40ms 40ms at 36V, 26.7A, resistive load, 0mF see Fig. 3-2 All parameters are specified at 36V, 26.7A, 3x400Vac, 25°C ambient and after a 5 minutes...

 Open the catalog to page 4
QT40.361-5

□innemsiom Q-Series 36V, 26.7A, Three Phase Input The power supply is equipped with an active inrush current limitation circuit, which limits the input inrush current after turn-on to a negligible low value. The input current is usually smaller than the steady state input current. Inrush current* Inrush energy Inrush delay over entire temperature range over entire temperature range over entire temperature range *) The charging current into EMI suppression capacitors is disregarded in the first microseconds after switch-on. Fig. 4-1 Typical turn-on behaviour at nominal load and 25°C ambient temperature...

 Open the catalog to page 5
QT40.361-6

QT40.361 □innemsiom Q-Series 36V, 26.7A, Three Phase Input 6. Output Output voltage Adjustment range Factory setting Line regulation Load regulation Ripple and noise voltage Output current Output power BonusPower time BonusPower recovery time Overload behaviour Short-circuit current** Output capacitance at clockwise end position of potentiometer ±0.2%, at full load, cold unit, in "single use" mode ±0.2%, at full load, cold unit, in "parallel use" mode at no load, cold unit, in "parallel use" mode 3x323-576Vac in "single use" mode: static value, 0A^26A, see Fig. 6-1 in "parallel use" mode: static...

 Open the catalog to page 6
QT40.361-7

QT40.361 36V, 26.7A, THREE PHASE INPUT Fig. 6-1 Output voltage vs. output current in “single use” mode, typ. Output V ol tage Continuously available Short-term (4s) BonusPower Output Vol tage (Parallel Use, typ.) Fig. 6-2 Output voltage vs. output current in “parallel use” mode, typ. Adjustment Range Output Current Output Current Fig. 6-3 Bonus time vs. output power Fig. 6-4 Dynamic overcurrent capability, typ. Output V ol tage (dynamic behavior, < 10ms) Bonus Time Output Power Adjustment Range Output Current Fig. 6-5 BonusPower recovery time Limitati on by Power Manager Output Voltage Recovery...

 Open the catalog to page 7
QT40.361-8

□innemsiom Q-Series 36V, 26.7A, Three Phase Input *) Curves and figures for operation on only 2 legs of a 3-phase system can be found in chapter 26.4 Fig. 7-1 Hold-up time vs. input voltage Input Voltage All parameters are specified at 36V, 26.7A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.

 Open the catalog to page 8

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