Owner manual

17
Product Technical Specifications
Tables 9a, 9b, 10a, and 10b list the major technical specifications for the MotorGuard product line.
Table 9a – MotorGuard Technical Specifications – Industrial
Current ratings Continuous current: 8 to 750 amps. See Rating and Dimension tables
Intermittent current: 150% for 1 minute out of every 60 minutes
VFD Drive output voltage 460/480 and 575/600 V, 3 ph, at fundamental base frequency
VFD Drive output
frequency
0 to 80 Hz
VFD Drive carrier
frequency
2 kHz and 12 kHz, ideally 4 kHz to 8 kHz
Control power input For fan operation.
Filter performance Maximum peak voltage of output waveform – 480 V models: 1000 V
– 600 V models: 1500 V
Maximum dv/dt of output waveform – 480 V models: 500 V/μs
– 600 V models: 1500 V/μs
Maximum elevation 3,000 feet (1,000 meters) as standard. Product must be equipped with
special cooling provisions for operation above this level
Maximum ambient
operating temperature
40 °C (104 °F) as standard. Product must be equipped with special
cooling provisions for operation above this temperature.
Maximum ambient storage
temperature
50 °C (122 °F)
Maximum humidity,
operating or storage
95%, non-condensing.
Enclosure options Open panel for mounting in an enclosure furnished by others
NEMA 1 enclosure
Enclosure finish Free standing enclosures: ANSI 61 gray
Wall mount enclosures: White Matte (beige) Munsel 5.8Y7.83/1
Agency approvals or
certifications
UL and cUL Listed to UL508A and CSA-C22.2 No. 14
Insertion impedance Approximately 6.5% at 60 Hz & full load current
Fusing and protection: Unit has internal fuse protection and a performance monitoring
circuit.
Capacitors Oil filled high endurance design (no PCBs)
Table 9b – Only with Board Option
Status indication LEDs Green LED indicates: "Control Power ON"
Yellow LED indicates: "Normal Operation" (not faulted)
Fault relay De-energized when a fault is detected.
Form C contact for customer use.
Rated 0.6 A at 125 VAC and 110 VDC, 2 A at 30 VDC.