GE Multilin D400, Instruction Manual, Page: 26 / 192

26 GE INFORMATION D400 SUBSTATION GATEWAY INSTRUCTION MANUAL
CHAPTER 1: BEFORE YOU START
Figure 4: D400 dimensions
Environmental
The top cover of the D400 can get hot during peak operation. Ensure
that there is at least 1U (1.75 inch [44.45 mm]) of free space above the
D400 unit for proper ventilation.
When the unit is operating above 50 °C ambient temperature, safe
handling precautions are recommended to prevent burns.
Software
11.
18"
[28
4.0
5 m
m]
19" r
ack m
ount
[482
.59 m
m]
2U [
3
.4
7"
/8
8.12
mm]
Operating temperature
−
20 °C to +65 °C
Maximum ambient temperature is +50 °C for unit to fully comply with IEC
61010-1 Section 10.1 regarding surface temperature limits for protection
against burns.
Humidity rating 5% to 95% relative humidity, non-condensing
Environmental rating Ingress protection: IP30 (IEC 60529)
Installation /
overvoltage category
CAT II (2)
Pollution degree 2
Use Indoor use only
Altitude Maximum altitude 6,560 ft [2000 m]
MTBF (MIL-217F) 39,400 hours at 40 °C in a fully loaded single Ethernet configuration
Noise 0 dB(A)
Firmware Supports various IED and host protocols as well as web-based user
interface and secure access
Human machine
interface
Built-in graphical user interface (Web browser-based)
Configuration Built-in graphical user interface (Web browser-based)