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Electrical Requirements - before you buy your kiln
Before you order your kiln...




A few precautions.
Please remember that your Skutt electric kiln reaches high temperatures and should be treated with respect during installation and firing. Read the manual carefully, and follow all recommended guidelines. Consult your distributor about installation. They can usually recommend a licensed electrician who has kiln installation experience, which will result in a kiln that can deliver all the performance we design into every Skutt product. Although automatic controllers allow you to be away from the kiln during firing, we recommend that you monitor the firing periodically and that you always be present near the end of the firing through shutdown. While you are deciding which Skutt electric kiln is right for you, keep in mind the power requirements of each kiln, and what power is available in your kiln room. In many cases, you may need an electrician to install the proper receptacle or circuit. We always recommend that you be careful and conservative, installing wire of adequate size, both for safety and to assure satisfactory performance of the kiln. The chart below covers the electrical requirements for the Skutt line, including KM-1 wall mounted KilnMaster Controller.

Additional Power Notes

Three phase operation. Only special order Models KS-1027, KS-1227, KM-1027 and KM-1227 will operate on a three-phase supply. However, any Skutt kiln can be properly powered via unbalanced connection to two of the three hot wires of a three-phase supply. Of course, the green safety ground connection provided in all Skutt power cords is also used.

Three-phase installation. Three-phase models KS-1027, KS-1227, KM-1027 and KM-1227 can be plugged directly into a three-phase (15-50OR) wall receptacle.

208 versus 240 supplies. As you can see from the chart, most Skutt models are available in either 208 or 240 volt versions. The exceptions are models KS-714 and KM-714 which are universal, and will fire with 240V or 208V power. The "120/208V" supply is increasingly encountered in schools and newly built communities, because it is more efficient for heavy 120V loads. This affects models KS-818, KS-818WR, KS-1018, KS-1027, KS-1227, KM-818, KM-818-30A-3, KM-1018, KM-1027 and KM-1227 because their elements receive the full 208 *or 240) applied volts. The 208V versions should never be fired on a 240V supply without first installing a full set of 240V elements. Otherwise, all components will be seriously over-taxed.

Note on the 714. Connecting and testing models KS-714 and KM-714. The wall outlets for these models must be powered by 3-wire 120/240-208V solid neutral supply - as for an electric range. Consult the kiln manual before installation.

Model
Volts
Amps
Watts
Copper Wire Size
Fuse or Breaker Size
NEMA Receptacle Configuration***
KilnSitter Kilns
Pinto
115
14.7
1690
12
20
5-15
Octagon Fuser
240
15
3600
10
20
6-30
KS-609
115
17
1950
10
20
5-15
KS-614-3
115
20
2300
10
30
(Canada) 5-30
KS-614-3
115
20
2300
10
30
5-20
KS-714
240-208
20
3600
10
30
14-30
KS-818P*
240
21.7
5220
10
30
6-50
KS-818P*
208
24
4990
10
30
6-50
KS-818PWR*
240
32.6
7820
6
45
6-50
KS-818PWR*
208
36
7500
6
45
6-50
KS-818*
240
27.8
6660
8
40
6-50
KS-818*
208
26.7
5550
8
40
6-50
KS-818WR*
240
41.6
9990
6
50
6-50
KS-818WR*
208
40
8320
6
50
6-50
KS-1018*
240
39.4
9460
6
50
6-50
KS-1018*
208
40
8320
6
50
6-50
KS-1027*
240
48
11520
6
60
6-50
KS-1027*
208
48
9980
6
60
6-50
KS-1027 (3-phase)*
240 (3-phase)
29.3
11520
8
40
15-50**
KS-1027 (3-phase)*
208 (3-phase)
31.7
11000
8
40
15-50**
KS-1227
240
48
11520
6
60
6-50
KS-1227
208
48
9980
6
60
6-50
KS-1227 (3-phase)
240 (3-phase)
29.3
11520
8
40
15-50**
KS-1227 (3-phase)
208 (3-phase)
31.7
11000
8
40
15-50**
KilnMaster Kilns
KM-614-3
115
20
2300
10
30
(Canada) 5-30
KM-614-3
115
20
2300
10
30
5-20
KM-714
240-208
20
3600
10
30
14-30
KM-818*
240
27.8
6660
8
40
6-50
KM-818*
208
26.7
5550
8
50
6-50
KM-818-30A-3
240
21.7
5200
10
30
6-30
KM-818-30A-3
208
24.0
4990
10
30
6-30
KM-1018*
240
39.4
9460
6
50
6-50
KM-1018*
208
40
8320
6
50
6-50
KM-1027*
240
48
11520
6
60
6-50
KM-1027*
208
48
9980
6
60
6-50
KM-1027 (3-phase)*
240
29.3
11520
8
40
15-50**
KM-1027 (3-phase)*
208
31.7
11000
8
40
15-50**
KM-1227
240
48
11520
6
60
6-50
KM-1227
208
48
9980
6
60
6-50
KM-1227 (3-phase)
240
29.3
11520
8
40
15-50**
KM-1227 (3-phase)
208
31.7
11000
8
40
15-50**
KM-1
208-240
Switching Capacity
48
6-50
KM-1 (3-phase)
208-240
Switching Capacity
40
15-50
*Electrical requirements are the same for 3" models.** For each additional 50 feet use heavier wire, numerically tow numbers lower - for example, instead of #10 use #8. If you anticipate installing any larger kiln in the future, use heavier wire. See special instructions and wiring diagram in kiln manual.***Nema Receptacle Guide: NEMA Receptacle Guide
KilnMaster Specifications

Delay Firing Start: Up to 99 hours and 99 minutes.

Cone Fire Mode: Entry by cone number, 3 firing speeds, Cone 022 to Cone 10.
Ramp/Hold Mode: Entry by temperature, create programs from 1 to 8 segment. Each segment can specify a rate of heating or cooling to a specified temperature with an optional hold, to maximum temperature of 2.400 degrees F.
Memory: Holds up to 6 firing programs.
Safety Features: Power failure detection, thermocouple failure detection, microprocessor fault detection.
Electronic Cone Table: Converts cone numbers to temperature.
Digital Readout: Fahrenheit or centigrade.
Program Review: Review program and current segment during firing.
Temperature Alarm: Adjustable to desired temperature.

Control Panel: Sealed touch pad, washable.
Thermocouple: Type K.
Designed and manufactured in the USA

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