Chromalox B100, E100 Catalog Page
B100 & E100
Heat Trace/Freeze
Heating Cable
Protection Thermostats
Dimensions
E100 Heat Trace, NEMA 4X
Line and Pipe Sensing
2.34
(59)
4.21
(107)
E121/122 Heat Trace, NEMA 7 and 9
Line and Pipe Sensing
5.25
(133)
(cont’d.)
4
(101)
Electrical Con-
Front ViewSide View
5
(127)
8.75
(222)
1/2” NPT
Female
nection
B100 Freeze Protection, NEMA 4X
Ambient Sensing
2.34
(59)
4.21
(107)
4
(101)
8.75
(222)
1/2” NPT
Front ViewSide View
Female
Electrical Con-
nection
All Dimensions in Inches (mm)
B121 Freeze Protection, NEMA 7 and 9
Ambient Sensing
5.25
(133)
5
(127)
Ordering Information
Side View
9.66
(245)
Front View
Thermostat Type Model Switch Output
Heat Trace, Remote
Bulb and Capillary
(-5 to +163˚C)
Freeze Protection
Direct Mount
(-10 to +60˚C)
3/4” NPT
Female
Electrical Con-
nection
25 - 325˚F
15 - 140˚F
E100
E121
E122
B100
B121
Single Output
Single Output
Dual Output, Dual Setpoint
Single Output
Single Output
9.66
(245)
3/4” NPT
Front ViewSide View
Enclosure
NEMA Stock PCN
4X
4X,7,9
4X,7,9
4X
4X,7,9
Female
Electrical Con-
nection
S
S
NS
SS305365
305322
384112
305349
384104
G-97
ACCESSORIES
AND CONTROLS
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