Author Topic: Amp at plug required for hammer A3-31 ( Uk or Europe) - 16A or 20A ?  (Read 292 times)

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Offline Prizen

  • Posts: 14
How y'all

I will soon have a hammer A31-31 planer / thicknesser.

Could anyone advise if 20AMP socket/ plug is required or is 16 AMP sufficient?

I will have a sufficient cable gauge and a high threshold breaker. It's just the industrial style plug are only available in 16 amp or 32 amp where I'm based.

Tks

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Offline derekcohen

  • Posts: 482
    • In The Woodshop
Re: Amp at plug required for hammer A3-31 ( Uk or Europe) - 16A or 20A ?
« Reply #1 on: September 05, 2020, 08:56 PM »
My A3-31 (shellix head, 4hp motor) runs perfectly on a 15amp plug. Checked by the agent.

The K3 slider (4 hp motor) is ditto. Also installed by the agent.

The N4400 bandsaw (4 hp motor) runs on 20 amp. The start up here is more demanding.

Note that with all Hammer motors it is recommended that you hold down the start button until the motor is running. Do not release the button earlier. This is to protect the capacitor.

Regards from Perth

Derek
Visit www.inthewoodshop.com for tutorials on joinery, hand tools, and my trials and tribulations with furniture builds.

Offline Prizen

  • Posts: 14
Re: Amp at plug required for hammer A3-31 ( Uk or Europe) - 16A or 20A ?
« Reply #2 on: September 06, 2020, 04:12 AM »
Thanks Derek. Can the N4400 be run on 16 amp? From reading your post the options might have been 15amp or 20amp, so perhaps for the N4400 a 16amp plug will be enough?

Offline derekcohen

  • Posts: 482
    • In The Woodshop
Re: Amp at plug required for hammer A3-31 ( Uk or Europe) - 16A or 20A ?
« Reply #3 on: September 06, 2020, 08:18 AM »
I don't know for certain, but I doubt it. I vaguely recall that the load was close to 20A.

Keep in mind that my N4400 is now about 8 years old, and used a 4 hp motor. More recent machines use a 3.5 hp. The demands may be less.

Regards from Perth

Derek

Visit www.inthewoodshop.com for tutorials on joinery, hand tools, and my trials and tribulations with furniture builds.

Offline Prizen

  • Posts: 14
Re: Amp at plug required for hammer A3-31 ( Uk or Europe) - 16A or 20A ?
« Reply #4 on: September 06, 2020, 09:48 AM »
You are correct Derek, the new N4400s have a 3.5 HP motor.