97F9851 GENTEQ, 97F9851 Datasheet - Page 13

• Manufacturer Part Number: 97F9851
• Description: CAPACITOR MOTOR RUN 45/5UF, 440VAC, CASE T
• Manufacturer: GENTEQ
• Series: Life-Liner

Specifications of 97F9851

• Capacitance 1: 45µF
• Capacitance 2: 5µF
• Voltage Rating: 440VAC
• Capacitor Dielectric Type: Polypropylene
• Capacitance Tolerance: ± 6%
• Capacitor Mounting: Quick Connect
• Lead Spacing: 20.57mm
• Capacitance: 45 μF,5 μF
• Material, Element: Polypropylene Metallized
• Special Features: Motor Run
• Termination: Quick Connect
• Tolerance: ±6 %
• Voltage, Rating: 440 VAC
• Capacitance, Dual: 45 / 5 UF
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Why Do Capacitors Fail?
Q: Why are there so many infant capacitor failures?
A:
Q: What causes capacitor degradation?
A:
Q: What are the signs of a failing capacitor?
A:
Q: Why should a capacitor be replaced?
A:
Q: After how much deterioration should a capacitor be replaced?
A:
1. Substandard materials
2. Poor capacitor design
3. Improper & inadequate process control
1. Excessive temperatures to the capacitor designs
2. Voltages excessive to the design of the capacitor
1. Loss of capacitance
2. Increase in dissipation factor (similar to ESR)
PSC Motors are designed to run at an optimal load point. This optimal
load point is determined by utilizing a specific run capacitor value
(mf). Degradation in capacitance translates into deteriorated motor
performance and less than optimal system performance.
Deteriorated motor performance can cause the following:
• Temperature rise
• Bearing wear
• Insulation breakdown
• Increased noise
• Increased energy consumption
• Improper cycling
• Stress on other components
Most OEM’s mandate a tolerance of 6% on capacitance. For a reference
table on Capacitor Ratings and Meter variation, please see table 2 on
page 15.
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