A-2 MD60 AC Drive User Manual
Input/Output Rating
Output Frequency: 0-240 Hz (Programmable)
Efficiency: 97.5% (Typical)
Digital Control Inputs (Inputs Current = 6 mA)
SRC (Source)
Mode:
18-24 V = ON
0-6 V = OFF
SNK (Sink) Mode: 0-6 V = ON
18-24 V = OFF
Analog Control Inputs
4-20 mA Analog: 250 ohm input impedance
0-10 V DC Analog: 100k ohm input impedance
External Pot: 1-10 k ohms, 2 Watt minimum
Control Output
Programmable Output (form C relay)
Resistive Rating: 3.0 A at 30 V DC, 3.0 A at 125 V AC, 3.0 A at
240 V AC
Inductive Rating: 0.5 A at 30 V DC, 0.5 A at 125 V AC, 0.5 A at
240 V AC
Fuses and Circuit Breakers
Recommended
Fuse Type:
UL Class J, CC, T or Type BS88; 600 V (550 V) or
equivalent.
Recommended
Circuit Breakers:
HMCP circuit breakers or equivalent.
Protective Features
Motor Protection:
I
2
t overload protection - 150% for 60 sec, 200% for
3 sec (Provides Class 10 protection)
Overcurrent: 200% hardware limit, 300% instantaneous fault
Over Voltage: • 100-120 V AC Input – Trip occurs at 405 V DC bus
voltage (equivalent to 150 V AC incoming line
• 200-240 V AC Input – Trip occurs at 405 V DC bus
voltage (equivalent to 290 V AC incoming line)
• 380-460 V AC Input – Trip occurs at 810 V DC bus
voltage (equivalent to 575 V AC incoming line)
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