Rockwell Automation 2364E Non-Regenerative DC Bus Supply Unit (NRU) - Manual (Page 36)

Publication 2364E-5.01 April 2002
4-4 Your 900A DC NRU (Current Code C)
Table 4.A: 900A DC NRU Symbol-to-Component Cross Reference
AC 3-Phase Input Voltage
Symbol Description Option 230V AC 380V AC 460V AC 575V AC
AM1 Ammeter monitoring L1 1000A
CB1 Circuit Breaker 1200A R-frame breaker with 1200A plug
CH11 DC choke 124 uH
CR1 Phase-loss relay
CR2 Fault relay
CT1, CT3 Current transformer 1000:5
D1 - 6 Diodes 900A, 1800V AC
EA1 Powermonitor II
EA2 Bus indicator PCB
EA2F1 - 2 Bus indicator PCB fuses 1A, 1000V, HVR, 1-3/32" diameter, 3" length, 500AIC
EA3 AC line RC suppressor PCB
EA4 Bridge suppressor PCB
EA5 Air flow sensor PCB
F1 - 3 Incoming 3-phase, line fuses 1000A, 170M
F4, F6
Primary fuse for a 1 kVA control
transformer
6.25A, KLDR 4A, KLDR 3A, KLDR 3A, KLDR
Primary fuse for a 2 kVA control
transformer
12A, KLDR 8A, KLDR 6.25A, KLDR 5A, KLDR
Primary fuse for a 5 kVA control
transformer
30A, KLDR 17.5A, KLDR 15A, KLDR 12A, KLDR
F7 NRU control power fuse 3A, KLDR
F8
Control bus fuse for a 1 kVA
control transformer
5A, KLDR
Control bus fuse for a 2 kVA
control transformer
12A, KLDR
Control bus fuse for a 5 kVA
control transformer
35A, FRN
F11 - 13 Phase-loss fuses 1A, KLDR
F14 - 16 RC suppressor fuses 25A, KTKR
HS1 - 2 Bridge heatsink
MTR1 Bridge fan 710 CFM
MTR1-C Bridge fan capacitor 16 uF capacitor
PL1 DC-Bus-Energized pilot light 24V AC/VDC, red, 800MR
PL2 Unit-Not-Faulted pilot light 120V AC, amber, 800MR
PS1 Air flow sensor power supply 24V DC, 0.5A
PT1 Control power transformer A 1 kVA control transformer is standard, 2 kVA and 5 kVA control
transformers are available as options. This transformer has multiple
taps to accommodate 230, 380, 460, 575V AC primary voltages.
S1 - 2 Heatsink thermoswitch 210 °F
S5 Air flow switch
SP1 - 3 Line-to-line MOVs 360 J, 275V AC 460 J, 320V AC 460 J, 320V AC 550 J, 385V AC
SP4 Neutral-to-ground MOV 600 J, 550V AC 760 J, 680V AC 760 J, 680V AC 760 J, 680V AC
VM1 DC bus voltmeter 750V DC 750V DC 1000V DC 1000V DC
VM2 Ground fault detector
Components marked as being options are part of NRU standard options. Not all NRUs will have these components.