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INSTALL AND CONNECT DIN RAIL

POWER SUPPLY (RECOMMENDED FOR

MRU AC MODELS)

Recommended DIN rail power supply:

• Type: MEAN WELL SDR-480-48 or equivalent;

• Input: 100-240 V AC; 5 A 50/60 Hz;

• Output: 48 V; 10 A

• Recommended fuse and maximum number of SDR PSUs

for a 230 V circuit breaker:

Fuse

T8A / L250V

Step 1:

Remove air tray front panel, as shown in Figure 10.

Step 2:

Open the four screws , securing the air tray to

the cabinet rear brackets, and remove the air

tray. Set the removed screws aside.

Step 3:

Using a rail/profile cutter, cut the DIN rail (not

provided) length so that it fits the length of the

air tray side panel. See Figure 11.

Step 4:

Secure the DIN rail in place using one or two screws.

ATTENTION! When assembled, the power supply must be flush

with the rear of the air tray. Refer to Figure 11 .

Step 5:

Mount the power supply onto the DIN rail.

IMPORTANT! The top of the power supply should be facing

the front of the air tray (towards cover), as

shown in Figure 12.

Step 6:

Perform the wiring connections on the power

supply side (before installing tray in cabinet).

Wiring requirements:

• Copper wires only

• Wires that can withstand a minimum temperature of

80°C (e.g., UL1007)

• Recommended wire strapping length = 0.197 in (5 mm)

• Recommended wires:

AWG

Rated Current of

Equipment (Amp)

Cross-Section of

Lead (mm

)

Corning Optical Communications

Circuit Breaker

C16

D16

6-10

13-16

16-25

0.75 1.00

1.5

2.5

Figure 10. Removing Air Tray Cover

Figure 11. Assembled DIN Rail Power Supply and Air Tray

(Top View)

25-32

Figure 12. Air Tray (with cover) with Assembled and Wired

Power Supply

Quick Installation Sheet | CMA-595-AEN | Page 7