Pump capacitor fitment

DAB KVCX 45/80M Capacitor

The DAB KVCX 45/80M is a single-phase vertical multistage pressure pump commonly found in well & domestic pumps setups. Its motor runs on a 31.5µF 450V motor-run capacitor in a CBB60-style can: here's the exact replacement and how to confirm it.

Pump type: vertical multistage pressure pump
Motor: single-phase
Run capacitor: 31.5µF · 450V · CBB60
Application: Well & domestic pumps
Also sold as: KVCX45/80M, KVCX 45/80 M
Fitment source: Manufacturer-documented, our pump-spares records

Manufacturer-documented31.5µF · 450V

The DAB KVCX 45/80M vertical multistage pressure pump uses a 31.5µF 450V motor-run capacitor (CBB60-style): it's the part that helps the single-phase motor start and keep running smoothly. We source this value from our pump-spares records. Match the replacement to 31.5µF (about 28.4-34.7µF) at 450V or higher; the checklist below covers how to confirm it against your own capacitor.

Matching capacitor

We don't currently stock this exact value (31.5µF 450V). Browse the closest matches or ask us. We can usually source it.

How to be sure you get the right one

µF must match: the KVCX 45/80M needs 31.5µF (about 28.4-34.7µF), within ±5% of the label. Too low and the motor won't start; too high and it runs hot.
Voltage can go up, never down: a 450V (or higher) cap is correct here; a 450V part safely replaces a 370V or 440V one. Don't fit below 450V.
Check the terminal + size: make sure the new cap physically fits the housing and the connections match (or use a spade adapter).
When in doubt, read your old cap: the printed µF and voltage on the part you're replacing is the final word.

Common questions - DAB KVCX 45/80M capacitor

What capacitor does the DAB KVCX 45/80M use?

A 31.5µF 450V motor-run capacitor (CBB60-style). Always confirm against the rating printed on your existing capacitor before ordering.

Can I fit a higher-voltage capacitor in the DAB KVCX 45/80M?

Yes, voltage can be equal or higher, never lower. A capacitor rated 450V or above is fine (450V is the usual choice), as long as the µF still matches (31.5µF).

Other DAB pump capacitors

Replacing the capacitor on a different DAB? These models have a confirmed or documented fitment too:

Browsing rather than replacing? All well & domestic pumps capacitors · Pump capacitor guide

Spotted a mistake, or want to confirm this fits your exact unit? Tell us. We read every message and reply within a working day.