Refer to the following sections for detailed information on the fuse ratings for the power entry panels (PEP) in the ETX-16400/16401 and the secondary 480 V transformer in the ETX-16400.

RMX-10140-50Y2P PEP Fuse Ratings

Figure 17. RMX-10140-50Y2P Fuses, Full View


  1. Double pole fuses feeding fan power
  2. Double pole fuses feeding RCU power and C13 AUX power
  3. AC/DC fuse
  4. 3-phase fuses
Table 25. RMX-10140-50Y2P Fuse Ratings
Specification Double Pole Fuses, Fan Power[1]1 Fuses F6 and F7 fuse the Fan 1 outlet, and fuses F4 and F5 fuse the Fan 2 outlet. Double Pole Fuses, RCU Power and C13 AUX Power AC/DC Fuse 3-Phase Fuses
Current rating 6.3 A 6.3 A 2 A 20 A
Minimum voltage range 240 V 240 V 240 V 480 V
Voltage rating 440 V 440 V 250 V 500 V
Size 3AB, 6.3 mm × 32 mm 3AB, 6.3 mm × 32 mm NANO, 3.1 mm × 10.1 mm 3AB, 6.3 mm × 32 mm
Fuse type Time-lag Time-lag Time-lag Fast-acting
Recommended replacement Littelfuse 35616300029 Littelfuse 35616300029 Littelfuse 0160002.MR Littelfuse 0505020.MXP

RMX-10140-50D4P PEP Fuse Ratings

Figure 18. RMX-10140-50D4P Fuses, Full View


  1. Double pole fuses feeding fan power
  2. Double pole fuses feeding RCU power and C13 AUX power
  3. AC/DC fuse
  4. Input double pole fuses
  5. 3-phase fuses
Table 26. RMX-10140-50D4P Fuse Ratings
Specification Double Pole Fuses, Fan Power[2]2 Fuses F11 and F12 fuse the Fan 1 outlet, and fuses F9 and F10 fuse the Fan 2 outlet. Double Pole Fuses, RCU Power and C13 AUX Power AC/DC Fuse Double Pole Fuses, Inputs 3-Phase Fuses
Current rating 6.3 A 6.3 A 2 A 20 A 30 A
Minimum voltage range 240 V 240 V 240 V 480 V 480 V
Voltage rating 440 V 440 V 250 V 600 V 500 V
Size 3AB, 6.3 mm × 32 mm 3AB, 6.3 mm × 32 mm NANO, 3.1 mm × 10.1 mm 5 mm × 20 mm 3AB, 6.3 mm × 32 mm
Fuse type Time-lag Time-lag Time-lag Time-lag Time-lag
Recommended replacement Littelfuse 35616300029 Littelfuse 35616300029 Littelfuse 0160002.MR Bel Fuse 0ADKC9200-BE Bel Fuse 0ADGC9300-BE

ETX-16400 Secondary Transformer Fuse Ratings

Note The following table is applicable only for the 480 V transformer in the ETX-16400.
Table 27. ETX-16400 Secondary Transformer Fuse Ratings
Current rating 17.5 A
Minimum voltage range 480 V AC
Voltage rating 600 V AC/500 V AC
Size Class CC
Fuse type Class CC
Recommended replacement Littelfuse CCMR17.5

1 Fuses F6 and F7 fuse the Fan 1 outlet, and fuses F4 and F5 fuse the Fan 2 outlet.

2 Fuses F11 and F12 fuse the Fan 1 outlet, and fuses F9 and F10 fuse the Fan 2 outlet.