Electrical Service Guide; Selecting A Location And Connecting Input Power - Miller Millermatic 250X Owner's Manual

2-12. Electrical Service Guide

Input Voltage
Input Amperes At Rated Output
Max Recommended Standard Fuse Or Circuit Breaker Rating In Amperes
Min Input Conductor Size In AWG/Kcmil
Max Recommended Input Conductor Length In Feet (Meters)
Min Grounding Conductor Size In AWG/Kcmil
Reference: 1999 National Electrical Code (NEC)
1 Choose a circuit breaker with time-current curves comparable to a Time Delay Fuse.
2 "Time-Delay" fuses are UL class "RK5" .
3 "Normal Operating" (general purpose – no intentional delay) fuses are UL class "K5" (up to and including 60 amp), and UL class "H" ( 65 amp and
above).
Y Caution: Failure to follow these fuse and circuit breaker recommendations could create an electric shock or fire hazard.

2-13. Selecting A Location And Connecting Input Power

18 in (457 mm) of
space for airflow
OM-1320 Page 14
1
Circuit Breaker , Time-Delay
Normal Operating
Y Do not move or operate unit
where it could tip.
Y Always connect
grounding conductor first.
= GND/PE
4
1
200 230
48 42
2
60 50
3
70 60
8 8
96 127
(29) (39)
8 10
1 Rating Label
Supply correct input power.
2 Plug (NEMA Type 6-50P)
3 Receptacle
(NEMA Type 6-50R)
Connect plug to receptacle.
4 Input And Grounding
Conductors
Connect directly to line disconnect
device if hard wiring is required.
5 Line Disconnect Device
See Section 2-12.
Y Special installation may be
required where gasoline or
volatile liquids are present –
see NEC Article 511 or CEC
5
Section 20.
L1
L2
2
3
L2
230 VAC, 1
400 460 575
24 21 17
30 25 20
35 30 25
12 12 14
156 206 209
(47) (63) (64)
12 12 14
L1
802 477-A