Bel Power Solutions forRailway and Industrial

Bel Power Solutions provides just about all of the leading manufacturers in the railway and transportation industry worldwide with high performance, rugged DC/DC and AC/DC MELCHER™ brand converters. With over 40 years of design and manufacturing experience MELCHER products are designed to meet the highest national and international standards for harsh environments, safety and EMC/EMI and undergo rigorous and extensive EVT/DVT and HALT/HASS test. Our strict engineering guidelines ensure low component stress, thermal profiling and high phase margins for stability and dynamic response – all part of our highly reliable converter designs.

Melcher Products meet EN 45545 Fire & Smoke Safety StandardOur MELCHER cassette DC-DC and AC-DC power converters designed for

railway applications have successfully passed all tests and requirements according to the material fire safety of DC-DC and AC-DC converters according to EN 45545-1, EN 45545-2 (2013) for hazard levels HL1 to HL3.

The fire safety tests have been conducted at a certified lab. In addition the above the products also comply with national versions of fire & smoke standards, in particular DIN 5510-2 and NFF 16-101 (1988) classification I3/F2.

There are literally hundreds of thousands of Bel Power’s MELCHER products installed around the globe whether on rolling stock or trackside.

About Bel PowerBel Power Solutions, who acquired Power-One Power Solutions from ABB in 2014, is one of the largest power supply manufacturers in the

world and has a long history of providing leading edge, innovative power solutions. Bel Power Solutions revolutionized power conversion through

the introduction of digital power and is an industry leader embracing the Climate Saver Initiative by introducing Platinum-level efficiency front

ends for the datacom market.

Bel Power Solutions offers the industry’s premier line of standard products, for Network Power, AC-DC and DC-DC power conversion, as

well as a host of products for application specific power conversion.

AC-DC and DC-DC for Railway and Rugged Applications

Features• Compliance with International and National standards

(EN, UL, AREMA, RIA, NFF) in particular, EN50155, 50121

• Ultra-wide DC input voltage, up to 10:1 ratio, suitable for all common battery input voltages worldwide

• Universal AC input

• Extremely high efficiencies

• Fully featured, full fault protection: Transient, over/undervoltage, over-current, over-temperature

• -96V output voltages with wide trim range

• Series and parallel or fully redundant configurations

• On/off control, current share and other options

• Extended ambient operating temperature to -40°C or lower on request

• Convection and conduction cooling with no derating up to 70°C

• All PC boards dip-varnished for high mechanical durability and humidity withstand, without use of potting material

• Shock and vibration resistance

• Basic or reinforced insulation, test voltages up to 3k VAC

• Multi platform approach for highest flexibility

• All products are fully RoHS compliant

Booster Module IMX DC-DC Module

Chu

EMC Filter

The IBX/IMX Concept practically replaces full custom solutions:

Bel Power Solutions offers a wide range of PCB-mount DC-DC converters and non-isolated board, chassis, or rack-mount ultra high efficient switching regulators that are especially designed and manufactured for the railway and transportation markets. For decades these MELCHER product lines have been widely used for mobile battery operated applications providing the customer industry-leading efficiency, power density and reliability.

Features• Various wide DC input voltage ranges with or without

isolation from 7-160 VDC, including platforms with 10:1 ratio

• Output voltages from 3.3-48V with trim ranges as wide as 0-110% Vout nominal

• Wide operating temperature ranges with startup at -40°C or below and no derating to 70°C

• Dip-varnished circuits without potting material for maximum reliability

• Isolated converters with magnetic feedback and I/O test voltages up to 3k VAC

• Low output ripple and excellent dynamic response

Benefits• Proven reliability in the harshest

environments all around the globe

• Variety of output combinations and mounting styles for virtually infinite applications

• Maximum flexibility for modular type platforms instead of custom designs

• High shock and vibration resistance

Railway Compliance• Meet or exceed national and

international Railway standards with little or no external components, in compliance with EN50155, EN50121

Fault Protection• Input overvoltage and under

voltage lockout protection

• Current limit and short-circuit protection

• Thermal protection

• Output overvoltage protection (OVP)

• Input transient protection

The new IBX15 and IMX70-Series

Combined form a 10:1 input platform for battery voltages from 24-110V,

fully compliant with EN50155, EN50121

specifications.

Ask for our latest Application Note.

Application Example:Input: 12 – 40Vdc or 43 – 154Vdc Output 1: 5V/10A Output 2: 12.6V/4A

Application Example:Input: 30-160Vdc Output 1: 5V/10A Output 2: 3.3V/10A

Modular Building Blocks for max flexibility and 10:1 Input (15Vdc-160Vdc)The new IBX15 and IMX70 series combined offer a 10:1 ratio input platform for battery voltages from nominal 24V to 110V, with a multitude of isolated DC output options. The IMX range of DC-DC converters combines single or multiple output voltages between 3.3V – 48V with up to 90W of power.

In order to explore the unique benefits of the IBX/IMX power solutions, a bare PCB demo board is available free on request. For further information please contact our Field Application Engineering team.

Isolated PC-Board Mount DC-DC Converters Size Input Voltage (VDC) Output Voltages (VDC) # of Outputs Nominal Power (W) Efficiency (%) Model

DIP24, 8.5mm 4.7-121 (4 ranges) 3.3, 5, 12, 15 or ±5, ±12, ±15, ±24 1 or 2 4 79-83 IMX

1"x2" 10.5mm 8.4-150 (4 ranges) 3.3, 5 or ±5, ±12, ±15, ±24 1 or 2 7 78-84 IMX7

1.6"x2" 10.5mm 8.4-150 (3 ranges) 3.3, 5 or ±5, ±12, ±15, ±25 1 or 2 15 84-88 IMX15/IMY15

2"x3" 10.5mm 9-150 (4 ranges) 4x 5, 4x 12, 4x 15; 5/±12, 5/±15 4 35 86-88 IMX35

2"x3" 10.5mm 12-154 (3 ranges) 5, 12, ±15, ±24 1 or 2 70-90 87-93 IMX70/IMY70

DIN Rail Products Model Type Input Voltage Output Voltages (VDC) Output Current (A) Nominal Power (W) Efficiency (%) Model

Rectifier, Battery Charger 85-264 VAC, 90-250 VDC 5, 12, 15, 24, 28, 48, 60 5. 2, 4, 2, 1 25-50 70, 82 LOK-Series

Rectifier 85-264 VAC, 120-250 VDC 24, 28 5 120 88 LME-series

Rectifier 85-264 VAC, 90-350 VDC 12.35, 24.7, 37, 49.4 2.5 to 14 125, 250 83, 87, 88 W-Series, single

Rectifier, Battery Charger 85-264 VAC, 90-350 VDC 2x12, 2x24, 2x36, 2x48 2x2.5 to 2x7 250 83, 87, 89 W-Series, dual

Rectifier 85-264 VAC, 90-350 VDC 24.7, 37, 49.4 7.5 to 20 375, 500 87-88 X-Series, single

Rectifier, Battery Charger 85-264 VAC, 90-350 VDC 2x24, 2x36, 2x48 2x5, 2x 6.7, 2x10 500 87-88 X-Series, dual

DC-DC Converter 66-150 VDC 24.7 or 2x 24.7 5, or 2x5 120, 240 87 EW- series

Non-Isolated Buck/Boost DC-DC Converters Mount Size in./mm Input Voltage (VDC) Output Voltages (VDC) Output Current (A) Efficiency (%) Model

BUCK

PCB, Chassis 2x2.8x1 / 50x70x25 7-40, 8-80 0-36 2-4 79-94 PSR Series

PCB, Chassis 2x2.8x1 / 50x70x25 7-35, 18-156 0-48 1-5 83-95 PSA Series

PCB, Chassis 2.7x4.2x1.3 / 69x106x32 7-40, 8-80, 15-156 0-48 4-8 80-96 PSB Series

PCB, Chassis 3.5x5.9x1.3 / 88x151x32 7-40, 8-80, 18-156 0-48 6-12 77-97 PSC Series

Chassis, 3U, 19" Rack 1.5x6.6x4.2 / 67x168x107 7-40, 8-80, 18-156 0-48 6-12 79-97 PSL Series

Chassis, 3U, 19" Rack 2.4x6.6x4.4 / 60x168x111 8-40, 8-80, 18-156 0-48 9-18 79-97 PSS Series

Chassis, 3U, 19" Rack 3.2x6.6x4.4 / 80x168x111 8-40, 8-80, 18-156 0-48 12-25 79-97 PSK Series

BOOST

PCB, Chassis 2x2x0.45 / 54x54x11.5 15.4-160 50-160 1.6-2.2 93-95 IBX15 Series

Compact PCI Converters Size Input Voltage Output Voltages (VDC) Output Current (A) Nominal Power (W) Efficiency (%) Model

3U x 8HP 90-264 VAC 5, 3.3, ±12 40, 40, 5, 2 250 82.5 CPA250-4530

6U x 8HP 90-264 VAC 5, 3.3, ±12 50, 60, 12, 4 550 84.5 CPA500-4530

3U x 8HP 36-75 VDC 5, 3.3, ±12 40, 40, 5, 2 250 82 CPD250-4530

6U x 8HP 36-75 VDC 5, 3.3, ±12 50, 60, 12, 4 500 84.5 CPD500-4530G

Customized Power Conversion SolutionsThe Bel Power product portfolio includes one of the broadest ranges of DC/DC converter modules on the market today. The converters include all standard brick sizes including sixteenth, eighth, quarter, half and full brick packages, each with a range of power density and features.

Bel Power Railways converters are designed according to the EN 50155 norm. They are available for a wide input voltage range and can suit almost every application for

modern railway. Isolated and non isolated converters are available. Bel Power ‘s main objective is to provide the best product in regards to function, reliability and cost requirements.

At Bel Power we achieve this through close partnership and teamwork between our engineers and our customers. Product solutions range from off the shelf products to fully customized designs – or anything in between.

0RQB-15Y05xIsolated DC/DC converter typically used as auxiliary voltage for supervisory and control systems.

• Input voltage: 14V – 154V, 15 W

• Output voltage / current: 5V @ 3A

• IPC-9592A, Class II, Category 2, Isolated DC-DC converter

• EN 60950 (Reinforced Isolation)

• Modified 1/8 Brick wide package

• High efficiency, high power density, low cost

• IPC-9592A, EN 60950

0RQB-C5U54HIsolated DC/DC converter typically used as IEEE 802.3at Type 2 (PoE). RFPA power supply.

• Input voltage: 16V – 67V - Full power own to 14V after startup at >16V

• Output voltage / current: 54V @ 3A

• Output power: 162W

• IPC-9592A Class II, Category 2, Isolated DC-DC converter

• EN 60950 (Reinforced Isolation)

• Industry-standard 1/4 Brick package with baseplate

SRED-50Q025Low cost, non Isolated Buck Boost LED driver, typically used for LED lighting on railways carriages, LCD back-light, Portable and emergency lighting.

• Input voltage: 10V – 40V

• Output voltage / current: 3.0V – 21.6V @ 2.5A

• Output power: 54W

• Constant current control, Open string protection

• DC, PWM and combined DC+PWM dimming on a single pin

• IPC-9592B Class II, Category 2

• EN 60950

Compliant to Input Part Number EN 50 155 Isolation Voltage Ouput Size Features

0RQB-15Y05x x isolated 14V - 154V 5v @ 3A 1/8 brick Class II, Categ. 2, IPC 9592A, modified EN 60950 Isolation

Output OVP and OCP, 0RQB-C5W54L x isolated 43V - 154V 54V @ 3A 1/4 brick Trimming, remote sense standard Class II, Categ. 2, IPC 9592A, EN 60950

Output OVP and OCP,0RQB-C5U54H x isolated 16V - 67V 54V @ 3A 1/4 brick Trimming, remote sense standard Class II, Categ. 2, IPC 9592A, EN 60950

Input voltage 9V - 36V 0RQB-C2Q12x x isolated 9V - 36V 12V @13A 1/4 brick Transient: 40V/100ms (with standard external circuit) Class II, Categ. 2, IPC 9592A, EN 60950

Constant current control SRED-50Q025 x non isolated 10V - 40V 3V -21.6V @2.5A 35.56 x 28.96 Open string protection Height: 12mm DC, PWM and combined DC/ PWM dimming on a single pin

Use of Platforms is Our Customers’ Key to Success• Mechanical and electrical adaptations

eliminating the need for full customs

• PCB integration with additional filtering and transient protection, booster circuit for enhanced 10:1 input range

• Mechanically adapting converters for 3U/6U 160/220mm rack, chassis,cold wall and DIN rail mounting

A/S Centers and Partners

• Use solutions with converters in custom rack and application specific, value add architectures

• Optimized Application Centers for fast and flexible customized and system integrated solutions

• We work closely with partners for custom platforms and application specific adaptation ability and provide full support to customers and channel partners.

Accessories for MELCHER Platform Products• 19” Racks and backplanes

• Base plates or heat sinks for chassis mounting

• Mating female connectors for solder, cage clamp or faston connections

• Connector retention devices

• Front panels for 19” rack mount

• Chassis mounting kits

• DIN Rail mounting kits

• Temperature sensors for battery charging

AREMA Compliant Power SystemsHigh current sub-rack, 5-40A systems, fully redundant

• 1-4 MELCHER 150W AC-DC converters per rack

• Universal adjustable 110 / 220 VAC fully redundant inputs

• Fully redundant outputs of 12-15 VDC or 24-30 VDC

• 5-40A of output current

• 3k VAC isolation test voltage

• Relay contacts for alarm signals

The worlds’ first 10:1 input

DC-DC converter with up to

300W and >92.5% efficiency

The new HR-Series is the latest

MELCHER cassette innovation

Features• DC-DC converters with extremely wide

input covering battery applications from 12V to 220V nominal

• Universal AC input with identical form factors

• Inrush current limitation

• Reverse polarity protection

• Up to 300W output power

• High efficiency, up to 94.5% including input filter

• Multiple isolated, fully-regulated outputs

• Ultra-wide output voltage adjustment

• Remote on/off control input

• Current share, redundancy

• Rugged aluminum extruded case

• Self cooling, no derating over the specified temperature range

• Conformally-coated assemblies

• Case/Baseplate temperature to 100°C

Benefits• Fully-enclosed, rugged and

extremely reliable

• Demonstrated MTBF exceeds millions of hours

• Standard and custom-designed converters

• Fit and forget, plug and play installation, no external components required

• Large platform through variety of options and accessories

Railway Compliance• Compliance with EN50155,

EN60571, EN50121-3-2, UL/EN60950 and National deviations (AREMA, RIA, NFF)

Fault Protection• Input/Output overvoltage

protection

• All products are fully transient protected

• No-load, overload and short- circuit protection

• Thermal protection

The rugged MELCHER products offer the industry’s premier line of standard products for DC-DC and AC-DC power conversion, including custom design capability for application specific power conversion solutions. For over 40 years Bel’s MELCHER lineup of DC-DC and AC-DC cassette-style power converters with extremely robust electrical and mechanical designs have demonstrated to provide consistent power to a diverse array of railway, signaling, communications, transportation and industrial infrastructure applications.

The HR-series as the latest innovation in this product line offers a 10:1 input with extremely high efficiency (94.5%) and up to 300W of output power. Three base models literally cover almost every possible input-output combination worldwide, thus offering extreme design flexibility.

Rugged 3U Cassettes for 19” Rack or Chassis Mount AC Input Voltage DC Input Voltage Output Voltages (VDC) # of Outputs Output Power (W) Model (width)†

85-264 VAC*, 88-372 VDC 8-385 VDC (6 ranges) 5 to 60; ±12, ±15; 5/±12, 5/±15 1, 2 or 3 50 M-Series (8TE)

85-264 VAC*, 88-372 VDC 8-385 VDC (6 ranges) 5, 12, 15, 24, 48; ±12, ±15, ±24 1 or 2 100 S-Series (12TE)

85-264 VAC*, 88-372 VDC 8-385 VDC (6 ranges) 5, 12, 15, 24, 48; ±12, ±15, ±24 1 or 2 150 K-Series (16TE)

85-264 VAC* N/A 5-60; ±12, ±15; 5/±12, 5/±15, 1, 2 or 3 50 M-Series (8TE)

85-264 VAC* (PFC) N/A 5, 12, 15, 24, 48; ±12, ±15, ±24 1 or 2 100 S-Series (12TE)

187-264 VAC* (PFC) N/A 12, 24, 48; ±12, ±24 1 or 2 250 K, KP-Series (16TE)

70-140; 85-255 VAC* (PFC) N/A 24 to 54.5 1 500 T-Series (28TE)

N/A (contact P-1) 14.4-168V (5 ranges) 3.3-48; ±5, ±12, ±15, ±24 1 or 2 82-132 Q-Series (4TE)

N/A (contact P-1) 14.4-176V (5 ranges) 3.3-96 1, 2, 3 or 4 100-200 P-Series (4TE)

N/A 12-168V (ONE range) 5 to 110, ±12, ±15, ±48 1 or 2 140-300 HR-Series (10-16TE)

N/A 66-168V (ONE range) 5 to 110, ±12, ±15, ±48 1 or 2 140-300 ER-Series (10-16TE)

* 47-440Hz †1 TE = .2”