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Description
Built for Aussie job sites, this All Controls 450VAC Motor Run Capacitor with a fixed 8 mm bolt is the dependable swap for tired fan and pump motors. It’s for licensed techs who need consistent μF, fewer call-backs, and a tidy install. It’s a bloody good choice when you want the job done right—first time.
Key Features & Trade Benefits
- 450VAC rated, continuous duty — headroom for voltage spikes on start and during harsh summers, helping motors run cooler and last longer.
- Fixed 8 mm mounting bolt — quick, secure fit on brackets so you’re not mucking around on the ladder.
- 1–80 μF (MFD) range — stock the common values and sort most blower, condenser fan and pump jobs without multiple trips.
- Durable plastic housing — impact-resistant and worksite-ready for vans, roofs and plant rooms.
- Safety class P0 — honest spec so you match like-for-like and keep systems compliant. (Use P2 where a pressure-interrupter is specified.)
- Clear MFD labelling — fast identification means quicker diagnostics and fewer errors under time pressure.
Why This Product Matters
Real talk: you’re on a roof in 40-degree heat and the condenser fan’s hunting. You meter the amp draw, μF is down, and the customer wants it sorted now. Swap in the correct 450VAC run cap, tighten the 8 mm bolt, test the μF, and she’ll be right. That’s less downtime, fewer returns, and a happy client.
Need start gear as well? See our Start Capacitors to round out the repair kit.
Pro Tip
Match the μF exactly and use equal or higher voltage than the original. Always isolate, lock-out/tag-out and discharge the capacitor before handling. A quick check with a dedicated MFD tester saves call-backs and keeps your reputation mint. For electrical risk controls, follow Safe Work Australia guidance on isolation and electrical hazards.
Compatibility & System Info
- For single-phase PSC motors: condenser fans, blowers, pumps and compressors (run circuit only).
- Supply frequency: 50 Hz (typical AU mains).
- Not a start capacitor — use a dedicated start cap or hard-start kit where specified.
Local Conditions in Mind
From humid Brisbane plant rooms to salty coastal sites around Newcastle, these caps are chosen by tradies who need gear that keeps working when the weather’s rough. No worries.
What’s Included
- 1 × All Controls 450VAC Motor Run Capacitor with fixed 8 mm mounting bolt (select μF value at checkout).
Specifications
| Brand | All Controls |
| Type | Motor Run Capacitor (continuous duty) |
| Voltage Rating | 450 VAC |
| Capacitance Range | 1–80 μF (MFD) — select variant |
| Mounting | Fixed 8 mm bolt |
| Housing | Plastic |
| Safety Class | P0 |
Specs verified from the HVAC Shop product listing.
Warranty & Returns
Covered by HVAC Shop’s Shipping & Returns policy. If your part arrives damaged or incorrect, we’ll sort it promptly so you can get back on the tools.
FAQs
Can I replace a 40 μF run cap with a 45 μF?
Stick to the manufacturer’s μF rating. A small deviation can change motor current and heat. If you’re unsure, test the system and consult OEM data. A capacitance tester helps confirm faults quickly.
What’s the difference between P0 and P2?
P0 indicates no pressure interrupter. P2 adds additional safety features (like a pressure interrupter/flame-retardant elements). Always replace like-for-like unless the OEM specifies an upgrade.
Is 450VAC overkill for a 370V cap?
Using the same μF with a higher voltage rating (e.g., 450VAC in place of 370VAC) is commonly acceptable and can add margin in high-heat conditions. Never go lower than the OEM voltage rating.
Do I need special safety steps when swapping caps?
Yes. Isolate power, verify de-energised, discharge the cap, and follow lock-out/tag-out. Safe Work Australia’s electrical risk guidance applies on site.
Related Products
- Need a start cap too? Handy when the motor struggles to kick—pair with the correct run cap to stop nuisance call-backs.
- Check μF in seconds with the Supco MFD10—quick one-hand testing so you can sign off faster.
- Hard-start kit option for stubborn compressors that need an extra push at start-up.
For safe isolation and electrical risk controls on site, see Safe Work Australia’s guidance.
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