MCC750

MCC750 BEL | Alldatasheet

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Technical content

The MCC750 Series of AC -DC power supplies provides a steady 750 W of regulated DC power through 180-305 VAC and 600 W through 85-137 VAC input voltage ranges in a single output of 24 or 48 VDC. The natural convection cooling operation (without fan), is particularly suitable for environments sensitive to acoustical noise. The MCC750 Series comes in two U-shaped 1.6” high packages, with and without a protective cover, offering 12 and 5 VSB standby outputs and a full set of protection features. The MCC750 Series supports digital power management over the Power Management Bus communications protocol. Multiple units may be connected in parallel for redundancy and / or higher power, enabled with the internal OR-ing and current sharing functions. The MCC750 Series complies with the latest edition of the IEC/EN 60601- 1 safety standards for medical equipment requiring 2x MoPP protection grade and displays the CE-Mark for the European Low Voltage Directive (LVD).

• Universal input voltage range 90 – 305 VAC, MoOP; 90 – 264 VAC, MoPP
• Input inrush current limiting
• 750 W rated power (900 W peak for <10 s)
• High efficiency up to 94%
• Single 24 VDC or 48 VDC output voltages available
• Active PFC, EN61000-3-2 compliant (Class C, >25% load)
• Low earth / touch leakage current
• Natural convection cooling
• Over temperature, OV, OC and SC protections
• +12 V / 0.3 A; +5 V / 0.72 A Stand by outputs
• Built-in current sharing and OR-ing for parallel operation and N+1 redundancy
• Power good and remote sense signals
• Remote On / Off signal
• Power Management Bus communication protocol supported
• Medical safety approval to IEC 60601-1 3rd edition, 2x MoPP rated and BF appliances compatible
• IEC 60601-1-2 4th edition EMC compliant
• RoHS 3 compliant (Directive EU 2015/863)
• X-Ray / CT Scanner
• Dental Equipment
• Laboratory / Analysis Equipment
• Medical Devices / Applications

2 MCC750 Series

tech.support@psbel.com MODEL NUMBER PACKAGE & COOLING INPUT VOLTAGE RANGE [VAC] NOM. OUTPUT VOLTAGE [VDC] MAX. OUTPUT POWER [W] MAX. OUTPUT CURRENT [A] DIMENSIONS MCC750-1T24 U-chassis Natural Convection 85 - 305 24 750 31.2 101.6 x 234.0 x 41.0 mm 4.00 x 9.21 x 1.61 in MCC750-1T48 U-chassis Natural Convection 85 - 305 48 750 15.6 101.6 x 234.0 x 41.0 mm 4.00 x 9.21 x 1.61 in MCC750-1T24-PC U-chassis + Protective Cover Natural Convection 85 - 305 24 750 31.2 101.6 x 234.7 x 41.0 mm 4.00 x 9.24 x 1.61 in MCC750-1T48-PC U-chassis + Protective Cover Natural Convection 85 - 305 48 750 15.6 101.6 x 234.7 x 41.0 mm 4.00 x 9.24 x 1.61 in PARAMETER DESCRIPTION / CONDITION MIN NOM MAX UNIT AC Input Voltage PS starts at 85 VAC at all load conditions Operating input voltage range MCC750 Series is designed to operate with a square or trapezoidal input voltage wave form (i.e. from UPS) 100-277 305 VRMS DC Input Voltage Built in fuses safety certified up to 250 VDC. Operating the MCC750 above that limit up to 300 VDC, does require an external fuse protection * 120 - 300 VDC Input Frequency 47 50/60 63 Hz Input Current At 180 VAC, 750 W, 50 / 60 Hz At 85 VAC, 600 W load, 50 / 60 Hz

163 VDC, maximum load

120 VDC, 650 W

• - 5.0 8.7 5.6 6.0 ARMS A Inrush Current At power-on asserted Cold start, 25 °C ambient, full load Any point of the AC input sine 230 VAC

277 VAC

A Fusing High breaking, 16 / 20 A, 277 VAC (250 VDC) on each AC line. - - 16 / 20 A Efficiency 20% rated load 85 - - At 120 VAC 50% rated load 92 - - 100% rated load 20% rated load 87 - - At 230 VAC 50% rated load 93 - - 100% rated load 94 - - Input Power Consumption At power on, no load, 100 – 277 VAC range Stand by, no load, nominal 100 – 277 VAC range 6.0 3.5 - W Power Factor Any nominal input line voltage, 50/60 Hz, from 50 to 100% maximum load 0.95 - - - THDi From 50 to 100% rated load, 100 – 277 VAC, 50/60 Hz. - - 20 % Harmonic Current Fluctuations and Flicker Complies with EN 61000-3-2 at 230 VAC, 50/60 Hz, Class A, D. Complies with EN 61000-3-2 Class C at 230 VAC, 50/60 Hz, >300 W load. Complies with EN 61000-3-3 at nominal voltages and full load. Earth Leakage Current Normal conditions

115 VRMS, 60 Hz

230 VRMS, 50 Hz

264 VRMS, 60 Hz (worst case)

µA Touch Leakage Current

264 VRMS, 60 Hz

Normal Condition (NC) Single Fault Condition (SFC) 100 500 µA Patient Leakage Current Normal Condition (NC) Single Fault Condition (SFC) 100 500 µA * Suggested fuse SIBA 5012434.16 and fuse holder SIBA 5105805.1

+86 755 298 85888 Europe, Middle East +353 61 225 977 North America +1 408 785 5200 © 2020 Bel Power Solutions & Protection BCD.01056_B PARAMETER DESCRIPTION / CONDITION MIN NOM MAX UNIT V1 Output Voltages ±0.5% set point accuracy RS+ closed on +V1, RS- closed on V1 RTN, at 6% load. - 24 48 - V V1 Output Power Rating 85 – 137 VAC (120-163 VDC) 600 W 180 – 305 VAC (163-300 VDC) 750 Peak, <10 s, after P_Ok asserted high 900 V1 Output Current 85 – 137 VAC (120-163 VDC) V1: 24 VDC V1: 48 VDC 25.0 12.5 A 180 – 305 VAC (163-300 VDC) V1: 24 VDC V1: 48 VDC 31.2 15.6 V1 Voltage Adjustment Range Manually by push up and down buttons - ±5 - %V1 V1 Line Regulation VAC: 85 – 305 VRMS - - ±0.1 %V1 V1 Load-Line-Cross Regulation VAC: 85 – 305 VRMS; I1: 0 – 100% - - ±2 %V1 V1 Ripple and Noise Rated load, Peak-to-peak, 20 MHz BW. (100 nF ceramic, 10 µF tantalum at load) - - 1 %V1 Transient Response: V1, 12VSB, 5VSB Voltage Deviation 25% load changes at 1 A/µs 24 V at 1000 µF load / IOUT > 2.5 A 48 V at 560 µF load / IOUT > 1.25 A

12 VSB, 5 VSB at 0-2200 µF load

• - ±5 %V1 %VSB V1 Start-up Rise Time 85<VIN<305, any load conditions. 10 - 150 ms V1 Hold-up Time At nominal VIN, full load SEMI F47-0706 compliant at ≥208 VAC 50% sag (104 V) 30% sag (145 V) 20% sag (166 V) 200 500 1000 ms V1 Current Sharing Accuracy Parallel operation up to four units. Two units in parallel at I1 rated load. I-Share signals connected together. RS+, RS- signals connected together and to the load. Max load at start up 750 W, operating 1250 W, 180 ÷ 305 VAC Max load at start up 600 W, operating 1000 W, 85 ÷ 137 VAC 40 - 60 %I1 V1 Remote Sense RS+ and RS- power path voltage loss compensation - - 0.36 V Start-up Delay V1 in regulation after de-asserting PS_Inhibit V1 in regulation after AC is applied (worst case: 85 VAC) 5VSB in regulation after AC is applied (worst case: 85 VAC) 1700 2200 500 ms Turn-on Overshoot - %V1 %VSB Minimum Load V1, 12 VSB, 5 VSB 0 - - A Maximum Load Capacitance V1: 24 VDC V1: 48 VDC 16000 8000 µF V1 Over Current Protection V1: 24 VDC V1: 48 VDC 46.8 23.4 A

12 VSB Output Voltage VSB output voltage is referred to the same V1 output voltage return - 12 - V

12 VSB Output Current Up to 70 °C - - 0.3 A

12 VSB Ripple & Noise Peak-to-peak 120 mV

12 VSB Line Cross Regulation VAC: 85 – 305 VRMS; ISB: 0 – 100% - - ±5 %VSB

5 VSB Output Voltage VSB output voltage is referred to the same V1 output voltage return - 5 - V

5 VSB Output Current Up to 70 °C - - 0.72 A

5 VSB Ripple & Noise Peak-to-peak 50 mV

5 VSB Load, line cross Regulation VAC: 85 – 305 VRMS; ISB: 0 – 100% - - ±5 %VSB

4 MCC750 Series

tech.support@psbel.com Figure 1 Derating Curves of MCC750 Series V1 POUT to TAMB The MCC750 Series does support communication according to the Power Management Bus 1.2 protocol via SDA, SCL and #SMBALERT signals as defined in the SMBus Specification version 2.0. The power supply shall not load the SMBus if it has no input power (SCL & SDA lines should go to High-Z). The pull-up resistors (2.2 kΩ) for these signals shall be external to the power supply and referenced to an external +3.3 V bus voltage. The DSP circuits inside the power supply are powered by the standby output. The Power Management Bus is active whatever input power is applied to the power supply or a parallel redundant power supply in the system, provided that their 12VSB are connected in parallel. Maximum speed of SMBus is 100 kHz. The ADDR0 and ADDR1 signals, are inputs to the power supply that control the Power Management Bus address assigned to the power supply. On the system side, the ADDR0 and ADDR1 signals will either be connected to return through a 1 kΩ pull-down resistor or connected to +3.3 V external bus voltage through a 1 kΩ pull-up resistor. The address shall be derived from the logic of this pin as indicated on Outline Drawing and Connections section. The power supply is a slave only on SMBus device. For a comprehensive description of MCC750 Series Power Management Bus management, do refer to the application note, “MCC750 Series Power Management Bus Mgt”. The MCC750 Series parameters available through communication bus are:

• Input voltage status
• Output voltages +V1 measured value
• Output current on +V1 measured value
• Current sharing status
• Thermal health measured value
• Fan health status
• Power-On / Working hours
• Product information
• Status information Failures shall be reported by Power Management Bus for all failure types:
• Protections failure (OV, OC, OT)
• Voltages out of specification

+86 755 298 85888 Europe, Middle East +353 61 225 977 North America +1 408 785 5200 © 2020 Bel Power Solutions & Protection BCD.01056_B Base signals and controls are accessible from signal connector P204. SIGNAL DESCRIPTION / CONDITION MIN NOM MAX UNIT +PS_Inhibit (Active High) Input low voltage (IIN= 0 µA) Input high voltage (IIN= 500 µA at 5.5 V) V1 disabled when PS_Inhibit is pulled high V1 enabled when PS_Inhibit is floating or low 5VSB and 12VSB not affected by PS_Inhibit 2.5 0.8 5.5 V -PS_Inhibit (Active Low) Input low voltage (IIN= -800 µA at 0 V) Input high voltage (IIN= -200 µA at 2.5 V) (IIN= 700 µA at 5.5 V) V1 disabled when -PS_Inhibit is pulled low V1 enabled when -PS_Inhibit is floating or high 5VSB and 12VSB not affected by -PS_Inhibit 2.5 0.8 5.5 V Power_OK * (PS_OK) Logic level low (<10 mA sinking) Logic level high (200 µA sourcing) 2.4 0.7 3.45 V Low to high time after V1 in regulation Power down warning time 150 350 - ms I_Share The I_SHARE signals shall be daisy chained among power supplies operating in parallel. On a single power supply operating it provides current measurement on V1 output. On multiple power supplies operating in parallel, it provides current measurement on master V1output. SDA, SCL, #SMBALERT, ADDR0, ADDR1 These are signals which support Power Management Bus communication protocol as specified in the application note MCC750 Series Power Management Bus Mgt. RSVD RX, RSVD TX Mainly intended for internal use, these RX and TX signals - available at the output signal connector P204 - may be used to access some DSP functions (monitoring, threshold settings, debug functions). These signals work as an UART Rx/Tx port and can also work as a RS-232 Rx/Tx port by building in the “RS-232 LINE DRIVERS/RECEIVERS” IC 5VSB Output Active and in regulation after an 85<VAC<305 is applied Not affected by PS_Inhibit. Available on P204, pin#4 500 ms 12VSB Output * Active and in regulation after an 85<VAC<305 is applied Not affected by PS_Inhibit. Available on P204, pin#16 500 ms * When V1 is On, a P_OK low may indicates V1 under voltage condition. When two MCC750 models operate in parallel, P_OK low in one unit indicates that it is not sharing the expected amount of current (current sharing fault). A 3.3 kΩ internal pull up to a 3.3 V internal reference voltage is used; do not add any other external pull up. The 5VSB outputs of two or more MCC750 models operating in parallel, cannot be connected in parallel in turn, since doing so results in power supplies damage. * The 12VSB outputs of two or more MCC750 models operating in parallel can be connected in parallel in turn, taking into account that the maximum available power will not be higher of a single operating power supply one.

6 MCC750 Series

tech.support@psbel.com AC/DC INPUT OFF-TO-ON AND ON-TO-OFF TIMINGS 12VSB/5VSB On to V1 On 250 ms ≤ T1 ≤ 1700 ms V1 rise time 10 ms ≤ T2 ≤ 150 ms 12VSB/5VSB rise time 3 ms ≤ T10 ≤ 150 ms V1 On – POWER_OK delay 150 ms ≤ T3 ≤ 350 ms Power down warning T4 ≥ 2 ms V1 Off to 12VSB/5VSB Off T5 ≥ 0.5 s (V1 load > 25 W) AC Off to POWER_OK low T6 ≥ 8 ms AC_On to 12VSB/5VSB On T7 ≤ 500 ms PS_INHIBIT OFF-TO-ON AND ON-TO-OFF TIMINGS V1 rise time 10 ms ≤ T2 ≤ 150 ms V1 On – POWER_OK delay 150 ms ≤ T3 ≤ 350 ms Turn-Off warning T11 ≥ 1 ms PS_Inhibit – POWER_OK low delay T8 ≤ 3 ms PS_Inhibit – V1 On delay T9 ≤ 1700 ms

+86 755 298 85888 Europe, Middle East +353 61 225 977 North America +1 408 785 5200 © 2020 Bel Power Solutions & Protection BCD.01056_B PARAMETER DESCRIPTION / CONDITION MIN NOM MAX UNIT Input Under Voltage Auto-recovering, hiccup mode. 58 75 82 VAC Input Fuse High breaking, 16 / 20 A, 277 VAC (250 VDC) on each AC lines. - - 16/20 A Over Current At nominal input voltages V1: Hiccup mode, auto-recovering

5 VSB: Auto-recovering

12 VSB: Hiccup mode, auto-recovering

%I1Rated A A Short Circuit At nominal input voltages V1: Hiccup mode or latch

5 VSB: Auto-recovery

12 VSB: Hiccup mode, auto-recovering. - - - Over Voltage V1, Power shut down, latch off. 12 VSB, Hiccup mode, auto-recovering. 116 145 150 %VNOM Over Temperature (ambient) Hiccup mode, auto-recovering. 70 - - °C Over Temperature (on secondary side) Hiccup mode, auto-recovering. Isolation: Primary-to-Secondary Reinforced 5660 4000 VDC VAC Isolation: Input-to-Earth Basic Production tested at 2642 VDC 2642 1865 VDC VAC Isolation: Output-to-Earth Basic 1500 - - VAC Means of Protection: Primary to secondary 2x MoPP (IEC 60601-1 3rd edition) at 90 – 264 VAC, 50/60 Hz (120-300 VDC) up to 4000 m 2x MoOP (IEC 60601-1 3rd edition) at 90 – 305 VAC, 50/60 Hz (120-300 VDC) up to 4000 m Means of Protection: Input to Protection Earth 1x MoPP (IEC 60601-1 3rd edition) at 90 – 264 VAC, 50/60 Hz (120-300 VDC) up to 4000 m 1x MoOP (IEC 60601-1 3rd edition) at 90 – 305 VAC, 50/60 Hz (120-300 VDC) up to 4000 m MeansoOf Protection: Output to Protection Earth 1x MoPP (IEC 60601-1 3rd edition) at 100 – 250 VAC, 50/60 Hz up to 4000 m Equipment Protection Class Class I, compatible with BF (Body Floating) ME (Medical Equipment) PARAMETER DESCRIPTION / CONDITION MIN NOM MAX UNIT Operating Temperature Range No derating up to 35 °C See derating curves above MCC750 Series starts at -40 °C upon warm up delay -20 - 35 °C Operating Temperature Range with Derating See derating curves and conditions in the Output Specifications section - - 70 °C Storage Temperature Transportation Temperature As per IEC/EN 60721-3-1 Class 1K4 As per IEC/EN 60721-3-2 Class 2K4 -40 - 85 °C Humidity RH, Non-condensing Operating. Non-operating - - 90 Operating Altitude MoPP (90 – 264 VAC, 50/60 Hz, 120 – 300 VDC) MoOP (90 – 305 VAC, 50/60 Hz) Power derating above 1800 m 4000 4000 m Shock EN 60068-2-27 Operating: Half sine, 30 g, 18 ms, 3 axes, 6x each (3 positive and 3 negative). Non-Operating: Half sine, 50 g, 11 ms, 3 axes, 6x each (3 positive and 3 negative). Vibration EN 60068-2-64 Operating: Sine,10 – 500 Hz, 1 g, 3 axes, 1 oct/min., 60 min. Random, 5 – 500 Hz, 0.02 g2/Hz, 1 gRMS, 3 axes, 30 min. Non-Operating: 5 – 500 Hz, 2.46 gRMS (0.0122 g2/Hz), 3 axes, 30 min. MTBF Full load, 25 °C ambient, 100% duty cycle, Full load, 40 °C ambient, 75% duty cycle Telcordia SR-332 Issue 2 700000 600000 Hours Useful Life Nominal VIN, 80% load, 40 °C ambient (IPC9592) - 7 - Years

8 MCC750 Series

tech.support@psbel.com PARAMETER DESCRIPTION / CONDITION STANDARD PERFORMANCE CLASS Conducted 115, 230 VRMS, Maximum load EN 60601-1-2 (Medical) B Radiated EN 60601-1-2 (Medical) B * Line Voltage Fluctuation & Flicker At 20%, 50% and 100% maximum load Nominal input voltages EN 61000-3-3 Harmonic Current Emission 230 VAC input voltage, 50 / 60 Hz

230 VAC 50 / 60 Hz, >300 W load

A, D C * Performance referred to the enclosed package with additional HF chokes on output power and signal cables. Radiated emission relevant to the package variants, should be assessed at system level. PARAMETER DESCRIPTION / CONDITION STANDARD TEST LEVEL CRITERIA Reference standard for the medical version EN 60601-1-2, 4th Edition ESD 15 kV air discharge, 8 kV contact, at any point of the system. EN 61000-4-2 4 A Radiated Field 10 V/m, 20-2700 MHz, 1 kHz, 80% AM. EN 61000-4-3 3 A Electric Fast Transient ±2 kV on AC power port for 1 minute EN 61000-4-4 3 A Surge ±2 kV line to line; ± 4 kV line to earth on AC power port EN 61000-4-5 4 A Conducted RF Immunity 10 VRMS, 0,15 – 80 MHz, 1 kHz, 80% AM EN 61000-4-6 3 A Dips and Interruptions 200 – 264 VAC: Drop-out to 0% for 10 ms Dip to 40% for 5 cycles (100 ms) Dip to 70% for 25 cycles (500 ms) Drop-out to 0% for 5 s EN61000-4-11 EN61000-4-11 EN61000-4-11 EN61000-4-11 A * A (derate to 500 W) A B 100 – 127 VAC: Drop-out to 0% for 10 ms Dip to 40% for 5 cycles (100 ms) Dip to 70% for 25 cycles (500 ms) Drop-out to 0% for 5 s EN 61000-4-11 EN 61000-4-11 EN 61000-4-11 EN 61000-4-11 A * A (derate to 240 W) A (derate to 400 W) B * Performance referred to +5 VSB, +12 VSB and V1 (PS_OK goes to low level after 8 ms as per timing described at page 8 CERTIFICATION BODY SAFETY STANDARDS CATEGORY CSA / UL CSA C22.2 No.60601-1, ANSI/AAMI ES60601-1 3rd Edition + A1 Medical IEC/EN 60601-1 3rd edition+A1 Medical Directive 93/42/CEE: Safety Requirement of the Medical Device Medical Directive 2014/30/EU: Electromagnetic Compatibility (EMC) Directive EU 2015/863: RoHS 3 Meets all essential requirements of the standard IEC/EN/UL/CSA 61010-1 2nd edition

+86 755 298 85888 Europe, Middle East +353 61 225 977 North America +1 408 785 5200 © 2020 Bel Power Solutions & Protection BCD.01056_B PARAMETER DESCRIPTION / CONDITION Weight 1087 g (2.40 lb) – models without protective cover 1125 g (2.48 lb) – models with protective cover CONNECTIONS CONNECTOR REFERENCE FUNCTION AC Input Connections P1: AMTEK TB25C-B02P-13-00A-L M4 GROUND STUD

1 Line 1

2 Line 2

3 Protection Earth

P200, P201, P202, P203: BRASS M4 THREADED TERMINALS (tight to 0.8 – 1 Nm, max. deep screws 7 mm)

24 V Optional 24 / 48 V

Signal Connector P204: MOLEX 501876-1640

1 RMT (-)

2 RMT (+)

3 I-SHARE

5 PS_INHIBIT

6 PS_OK

7 SCL

8 SDA

9 #SMBALERT

10 ADDR0

11 -PS_INHIBIT

12 ADDR1

13 RSVD_RX (OUT)

14 RSVD_TX (OUT)

15 RTN

Additional Control Functions SW600 V1_ADJ (UP) SW601 V1_ADJ (DOWN) DL600 Bi-colour LED Off No AC/DC input power provided Blinking Green Input power good, standby active, V1 inhibited Steady Green V1 Active Steady or Blinking red Power Supply Fault

10 MCC750 Series

Figure 2. Mechanical Drawing – MCC750-1T24 / MCC750-1T48 Models Figure 3. Front View - MCC750-1T24 / MCC750-1T48 Models Figure 4. Rear View - MCC750-1T24 / MCC750-1T48 Models

12 MCC750 Series

tech.support@psbel.com NUCLEAR AND MEDICAL APPLICATIONS - Products are not designed or intended for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems. TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are subject to change without notice.