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53-64µF 125V AC Motor Start Capacitor

Part Number: MS125V53-64

53-64µF • 125V AC • 85°C • Motor Capacitor

5.0 (7 reviews)

Capacitance

53-64µF

Voltage

125V AC

Tolerance

±±20%

Temp Rating

85°C

Mounting

screw

Dielectric

electrolytic

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$29.44

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About the 53-64µF 125V AC Motor Start Capacitor

Motor Start capacitor for HVAC, compressors, and motors. 53-64µF, 125V AC.

Applications for 53-64µF 125V AC Motor Capacitors

Typical design scenarios where the MS125V53-64 (53-64µF / 125V AC) is specified:

General Electronics

Filtering and energy storage for circuits operating at 125V AC voltage levels

Industrial Equipment

Process control, PLC I/O modules, and automation system power conditioning

Power Capacitor Banks

High-current bus bars in industrial inverters, regenerative drives, and capacitor bank assemblies

HVAC & Motor Systems

Single-phase motor start/run, compressor circuits, and fan motors in commercial HVAC equipment

Need a Replacement for MS125V53-64?

53-64µF · 125V AC · screw

Our engineers can cross-reference this part to find a compatible replacement that meets or exceeds the original specifications — with full CoC and traceability documentation.

Technical Specifications

Complete specifications for MS125V53-64

Manufacturer Part NumberMS125V53-64
Capacitance53-64µF
Voltage Rating125V AC
Tolerance±20%
Temperature Rating85°C
SeriesMS
Mounting Typescrew
Package / Casethrough-hole
Dielectric Materialelectrolytic

Why Choose This Motor Capacitor?

  • Part of the MS series — cross-reference available for equivalent parts from other manufacturers
  • 100% electrically tested before shipment for guaranteed in-spec performance
  • Ships same-day from US warehouse when ordered before 3 PM EST

Need Technical Assistance?

Our capacitor specialists can help with selection, cross-reference, and application questions.

Why Buy From Specap?

  • Family-owned capacitor specialist since 1984
  • Experts in hard-to-find & obsolete parts
  • Same-day shipping on in-stock items
  • 100% electrically tested before shipment
  • Volume discounts with no minimum order
  • Cross-reference assistance available

Looking for an Equivalent?

We can help cross-reference MS125V53-64 with alternative part numbers.

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Frequently Asked Questions

Common questions about MS125V53-64 and motor capacitors

What applications use a 53-64µF 125V AC motor capacitor?

This 53-64µF 125V AC motor capacitor serves filtering and energy storage in mid-voltage circuits such as telecom power systems, LED drivers, and bench-top instrumentation power stages.

Can the MS125V53-64 handle high-temperature environments?

The MS125V53-64 is rated for 85°C, which covers standard commercial and light-industrial environments. For installations in enclosed cabinets or hot climates where ambient temperatures exceed 65°C, consider selecting a 105°C-rated alternative for additional thermal margin.

What torque specification should I use for the MS125V53-64 screw terminals?

Use the torque value specified in the manufacturer datasheet — typically 1.5–2.5 N·m for M5 terminals and 0.8–1.2 N·m for M4 terminals. Over-torquing can crack the terminal seal and allow electrolyte leakage. Use star washers for vibration resistance and re-torque connections after 24 hours of initial thermal cycling in the target application.

What capacitors can replace the MS125V53-64?

Cross-referencing the MS125V53-64 requires matching capacitance (53-64µF), voltage (125V AC), temperature rating (85°C), and physical dimensions. ESR and ripple current ratings must also meet or exceed the original spec for reliable operation. Contact our technical team at 800-731-1433 for verified cross-reference options — we maintain compatibility data across major manufacturers.

Should I derate the voltage when using the MS125V53-64?

Yes. Industry best practice is to operate capacitors at 60–80% of their rated voltage. For the MS125V53-64 rated at 125V AC, this means designing your circuit to keep the applied voltage below 100V under all conditions including transients. Voltage derating significantly extends capacitor life — each 10% reduction in applied voltage can roughly double the expected service life for electrolytic types.

What is the lead time for the MS125V53-64?

Contact us with the MS125V53-64 part number, required quantity, delivery destination, and needed-by date. This catalog page does not show live warehouse inventory. Confirm stock, current pricing, and the shipping schedule before placing an order.

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