MEN BL51E, User Manual

Page: 19 / 110

Product Overview
20BL51E00 E2

2020-03-27 Page 19
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Earthing connection
- M4 stud
Supervision and Control

Board management controller
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Watchdog timer

Temperature measurement

Real-time clock, buffered by supercapacitor (3 days)
Electrical Specifications

Supply voltage
- 24 V DC to 36 V DC nom. (EN 50155)
- 110 V DC nom. (EN 50155)
- 24 V DC nom. (ISO 7637-2)
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Power consumption: 25 W without modems

Isolation voltage: 1500 V AC
Mechanical Specifications

Dimensions: (W) 390 mm, (D) 215 mm, (H) 66 mm
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Weight: 4.25 kg approx., 5.5 kg approx. (box PC in 19" insertion frame)
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Mounting
- Wall-mount
- Rack-mount in 19" cabinet

Cooling: Air cooling, natural convection, airflow 0.4 m/s

Protection rating
- IP20
- Other IP protection classes possible on request
Product Compliance: Rail - Rolling Stock
 Operating temperature: -40 °C to +70 °C, +85 °C for 10 min (EN 50155:2017, class
OT4, ST1)
 Storage temperature: -40 °C (EN 50155:2017) to +85 °C (EN 60068-2-2, Bb)
 Altitude: +3000 m max. (EN 50125-1:2014, class AX)
 Humidity: +55 °C and +25 °C, 100 % RH max. (EN 50155:2017)
 Shock: 30 ms @ 50 m/s² (EN 61373:2010/AC:2017-09, vehicle body, cat. 1, class B)
 Vibration: 10 min @ 2.02 m/s² (functional) and 5 h @ 11.44 m/s² (long-life) (EN
61373:2010/AC:2017-09, vehicle body, cat. 1, class B x 2)
 Power supply
- General compliance with power supply requirements of EN 50155:2017
- Interruption of voltage supply: 10 ms (EN 50155:2017, class S2)
See the MEN website for technical product drawings including the
exact dimensions of BL51E:
www.men.de/products/bl51e/#doc