Rockwell Automation SA3000 High Power Modules User Manual
Page 54
A-2
High Power SA3000 Power Modules
DC Bus Specifications
•
Pre-charge Time: 1 second
•
Discharge time (below 50V): less than 5 minutes
•
Pre-charge resistance/bus capacitance: 534A Unit: 7.6
Ω
/ 32.4 µF
972A Unit: 3.8
Ω
/ 64.8 µF
1457A Unit: 2.5
Ω
/ 97.2 µF
DC Bus Input Power
•
Nominal Maximum DC Voltage: 800 VDC
•
Input Voltage Range: 300 - 850 VDC
•
Overvoltage Trip: 925 VDC
•
Maximum DC Input Current: 534A Unit: 600A
972A Unit: 1000A
1457A Unit: 1500A
Use the following equation to calculate the approximate DC input current as a function
of the connected horsepower:
115 VAC Control Power
•
AC Input Voltage: 115 VAC, Single-phase (Critical and Non-critical supplies)
•
AC Input Frequency: 50/60 Hz
1
•
Maximum Symmetrical Short Circuit Current: 5 KA
1. Derate Power Module output current by 5% for 50 Hz blower motor operation.
115 VAC Input Power Ratings
115 VAC Power Supply
Part Number
534 Amp
Power Module
972 Amp
Power Module
1457 Amp
Power Module
850100-3R
1
1. May be replaced by 850100-3S 115VAC Power Supply Assembly.
10.6 A
16.5 A
21.6 A
850100-3S
(Non-Critical Power)
5.5 A
11.0 A
16.5 A
850100-3S
(Critical Power)
1.5 A (Min)
5.1 A (Max)
1.5 A (Min)
5.1 A (Max)
1.5 A (Min)
5.1 A (Max)
850100-3S (Critical
and Non-Critical Power)
10.6 A (Max)
16.5 A (Max)
21.6 A (Max)
DC Amps =
horsepower x 746
motor efficiency x inverter efficiency x bus voltage