Chromalox PF497-1 Electric Heater User Manual


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Fits Cable Dia. Plug Type ModelDescription VoltsAmps Configuration NEMA # ANSI #
.385”-.780” Locking PGL-15-20 3 Pole, 4 Wire 250 20 L15-20 C73.85
.385”-.780” Locking PGL-15-30 3 Pole, 4 Wire 250 30 L15-30 C73.86
.595”-1.150” Locking PGL-16-30 3 Pole, 4 Wire 480 30 L16-30 C73.88
.595”-1.150” Locking PGL-17-30 3 Pole, 4 Wire 600 30 L17-30 C73.89
.750”-1.125” Locking PGL-3763C 2 Pole, 4 Wire 600 50 — —
.750”-1.125” Locking PGL-3765C 3 Pole, 4 Wire 600 50 — —
.625”-1.187” Non Locking PGN-6-50 2 Pole, 3 Wire 250 50 6-50 C73.53
.390”-.775” Non Locking PGN-15-20 3 Pole, 4 Wire 250 20 15-20 C73.59
.750”-1.250” Non Locking PGN-15-50 3 Pole, 4 Wire 250 50 15-50 C73.61
Plug Selection
WIRING
Chart A — Cable and Plug Selection
Wiring Wire 25’ Cord SetOptional Plugs
ModelkWVoltsPhase Diag. No. Amps SizeChromalox Catalog No. Locking Type Non Lock Type
DRA-07-83 7.5 208 1 1A 36.3 8/3 PLC-2508-3 ——— PGN-6-50
DRA-07-83 7.5 208 3 1 21.0 10/4 PLC-2510-4 PGL-15-30 PGN-15-50
DRA-07-23 5.6 208 1 1A 27.1 10/3 PLC-2510-3 PGL-15-30 PGN-6-50
DRA-07-23 5.6 208 3 1 15.7 12/4 PLC-2512-4 PGL-15-20 PGN-15-20
DRA-07-23 7.5 240 1 1A 31.5 8/3 PLC-2508-3 ——— PGN-6-50
DRA-07-23 7.5 240 3 1 18.2 12/4 PLC-2512-4 PGL-15-20 PGN-15-20
DRA-10-83 9.75 208 1 1A 47.1 6/3 PLC-2506-3 ——— PGN-6-50
DRA-10-83 9.75 208 3 1 27.2 8/4 PLC-2508-4 PGL-15-30 PGN-15-50
DRA-10-23 7.3 208 1 1A 35.4 8/3 PLC-2508-3 ——— PGN-6-50
DRA-10-23 7.3 208 3 1 20.4 10/4 PLC-2510-4 PGL-15-30 PGN-15-50
DRA-10-23 9.75 240 1 1A 40.8 6/3 PLC-2506-3 ——— PGN-6-50
DRA-10-23 9.75 240 3 1 23.6 10/4 PLC-2510-4 ——— PGN-15-50
DRA-15-83 15 208 3 1 41.8 6/4 PLC-2506-4 ——— PGN-15-50
DRA-15-23 11.2 208 3 1 31.4 8/4 PLC-2508-4 ——— PGN-15-50
DRA-15-23 15 240 3 1 38.3 6/4 PLC-2506-4 ——— PGN-15-50
DRA-15-43 15 480 1 2A 31.5 8/3 PLC-2508-3 PGL-3763C ———
DRA-15-43 15 480 3 2 18.2 12/4 PLC-2512-4 PGL-16-30 ———
DRA-15-93 15 600 1 2A 25.2 10/3 PLC-2510-3 PGL-3763C ———
DRA-15-93 15 600 3 2 14.6 14/4 PLC-2514-4 PGL-17-30 ———
DRA-20-23 15 208 3 3 41.8 6/4 PLC-2506-4 ——— PGN-15-50
DRA-20-23 20 240 3 3 48.3 4/4 PLC-2504-4 ——— PGN-15-50
DRA-20-43 20 480 1 4A 41.9 6/3 PLC-2506-3 PGL-3763C ———
DRA-20-43 20 480 3 4 24.4 10/4 PLC-2510-4 PGL-17-30 ———
DRA-20-93 20 600 1 4A 33.5 8/3 PLC-2508-3 PGL-3763C ———
DRA-20-93 20 600 3 4 19.4 12/4 PLC-2512-4 PGL-17-30 ———
DRA-30-43 30 480 3 4 36.3 6/4 PLC-2506-4 PGL-3764C ———
DRA-30-93 30 600 3 4 29.1 8/4 PLC-2508-4 PGL-17-30 ———
Power Cord based on 600V Hard Service Cord Rated 90°C
Plug selection is based on using Chromalox Cable Kits
G
G
W
X
Z
G
W
X
Z
X
G
Y
Z
X
G
Y
Z
X
G
Y
Z
X
G
Y
Z
Y
X
G
Y
X
Z
The above plugs are designed to be used with specific ranges of cable diameters. If not used with Chromalox Cable Kits, check cable man-
ufacturers cable diameter to be sure plug fits selected cable.
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