Watlow Electric CAST-X 500 - Manual (Page 2)

Ordering Information
To order, complete the code number to the right with the
information below.
W X 6 E 2 A - _ _ _ _ - _ _ _ _
Base Circulation Heater
0.25 in. O.D. (6.35 mm), 0.028 in. wall (0.71 mm),
316 SS tubing with
5 ⁄
8
in. (16 mm) dia. cartridge
heater with 36 in. (914 mm) Teflon ® leads.
No housing
Heater Wattage
300A = 120V, 300 W
300B = 120V, 1500 W
300C = 240V, 300 W
300D = 240V, 500 W
300E = 240V, 750 W
300F = 240V, 1000 W
300G = 240V, 1200 W
300H = 240V, 1500 W
300J = 208V, 1125 W
300K = 208V, 900 W
300L = 208V, 750 W
300M = 208V, 565 W
Enclosures and Sensors
00 = No sensor or enclosure
0J = Type J T/C in casting, no housing
0K = Type K T/C in casting, no housing
S0 = NEMA 1 housing, no sensor
SJ = NEMA 1 housing with Type J sensor in casting
SK = NEMA 1 housing with Type K sensor in casting
W0 = NEMA 4 housing, no sensor
WJ = NEMA 4 housing with Type J sensor in casting
WK = NEMA 4 housing with Type K sensor in casting
E0 = NEMA 7 housing, no t-stat, no sensor
EJ = NEMA 7 housing with Type J sensor in heater,
non standard delivery
EK = NEMA 7 housing with Type K sensor in heater,
non standard delivery
High Limits (Only available with no housing option)
00 = None
01 = Snap action high limit set at 260˚F (127°C)
02 = Snap action high limit set at 500˚F (260°C)
Accessories
Pair high pressure compression fitting - 274-55-6-1
Insulation jacket - 307-0-12-1, maximum temperature
400°F (204°C)
Application Guidelines
Maximum process temperature 350°F (177°C)
Maximum water flow rate is 0.75 GPM
Consult factory for gas applications
Specifications
• (4) 10-32 3 ⁄
8
(10 mm) in. deep mounting holes
• 1 ⁄
4
in. (6.35 mm) 316 SS tubing
• 0.028 in. (0.710 mm) wall
• 84 in. (213.36 cm) long
• Process temperatures to 350°F (177°C)
• Up to 1500 W
Options
• Single phase operation to 240V
• NEMA 1, 4 or 7 housings with and without sensors.
• Passivated or electropolished wetted surfaces
• Insulated body up to 400°F (204°C) operation
Dimensions
NEMA 1 and 4
5.07 in.
(129 mm)
0.63 in.
(16 mm)
2.44 in.
(62 mm)
1.38 in.
(35 mm)
(6X) 10-32
1.13 in.
(29 mm)
1.25 in.
(32 mm)
5.75 in.
(146 mm)
0.74 in. T/C
(19 mm)
0.63 in. HTR
(16 mm)
0.5 in.
(13 mm)
4.75 in.
(121 mm)
6.43 in.
(163 mm)
0.81 in.
(21 mm)
NEMA 7
No Enclosure
4.17 in.
(106 mm)
1.3 in.
(33 mm)
3.43 in.
(87 mm)
Ø1.25 in.
(31.75 mm)
Ø2.50 in.
(64 mm)
(2X)
0.5 in. NPT
(13 mm)
Teflon ® is a registered trademark of E.I. du Pont de Nemours & Company.
4 in.
(113 mm)
2.30 in.
(58 mm)
2.03 in.
(52 mm)
0.5 in.
(13 mm)
Ø2 in.
(51 mm)
1.19 in.
(30 mm) 0.38 in.
(10 mm)
0.313 in.
(8 mm)