Figure 13.6 Display unit with dimensions in mm (followed by approximate dimensions in inches), first-angle projection
233.4 (9.2)
173.4 (6.8)
158.2 (6.2)
218.2 (8.6)
43.3 (1.7)
8.0 (0.3)
178.0 (7.0)
238.0 (9.4) 52.4 (2.1)
Table 13.48 DU 300 technical specifications
Category Specification
Ingress protection
From the front: IP65 according to IEC/EN 60529
From the back: IP20 according to IEC/EN 60529
UL/cUL Listed Type Complete Device, Open Type 1
Frame ground
Voltage withstand: ±36 V DC to the power supply positive (terminal 1)
Voltage withstand: ±36 V DC to the power supply negative (terminal 2)
Power supply
Input voltage: 12 or 24 V DC nominal (8 to 36 V DC continuously)
UL/cUL Listed: 10 to 32.5 V DC
0 V DC for 50 ms when coming from at least 8 V DC (cranking dropout)
Consumption: Typical 4 W, maximum 12 W
The power supply inputs are internally protected by a 12 A slow-blow fuse (not replaceable) (fuse
size determined by load dump requirements).
Voltage withstand: ±36 V DC
Load dump protected by TVS diodes.
Start current
• Power supply current limiter
◦ 24 V: 2.1 A minimum
◦ 12 V: 4.2 A minimum
DESIGNER'S HANDBOOK 4189340911K UK Page 467 of 521
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