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irrel Heaters
MI Band
Applications and Technical Data
The Physical Limitations of Variations table below shows the availability of widths, inside diameters and terminations for Watlow's MI Band heaters. To make sure the available terminations will meet your application needs, refer
to the illustrations of termination types on page 22. If you need to exceed the limitations shown, contact your Watlow sales engineer or authorized distributor.
Physical Limitations of Variations
e
od o
|M
t
er l
di n
Widths
I.D. Available—mm (in.)
mm
(in.)
1 pc. Construction
Expandable
2 pc. Construction
Available Terminations |
Minimum
Maximum
Minimum
Maximum
Minimum
Maximum
mm
(in.)
mm
(in.)
mm
(in.)
mm
(in.)
mm
(in.)
mm
(in.)
25.4
(1)
25.4
(1) -
355.6
(14)
76.2
(3) -
355.6
(14)
76.2
(3) -
255.6
(14)
All
34.9
(1%)
25.4
(1) -
76.2
(3)
76.2
(3) -
152.4
(6)
76.2
(3) -
152.4
(6)
All
38.1
(1)2)
25.4
(1) -
355.6
(14)
76.2
(3) -
355.6
(14)
76.2
(3) -
711.2
(28)
All
50.8
(2)
31.8
(1/4) -
355.6
(14)
76.2
(3) -
355.6
(14)
76.2
(3) -
711.2
(28)
All
63.5
(2)2)
31.8
(1/4) -
355.6
(14)
76.2
(3) -
355.6
(14)
76.2
(3) -
711.2
(28)
All
76.2
(3)
31.8
(1/) -
355.6
(14)
76.2
(3) -
355.6
(14)
76.2
(3) -
711.2
(28)
All
88.9
(3/2)
44.5
(1/4) -
355.6
(14)
76.2
(3) -
355.6
(14)
76.2
(3) -
711.2
(28)
All
Except 90° "B" Leads
101.6
(4)
50.8
(2) -
355.6
(14)
76.2
(3) -
355.6
(14)
76.2
(3) -
711.2
(28)
All
114.3
57.2
(2/) -
355.6
(14)
76.2
(3) -
355.6
(14)
76.2
(3) -
711.2
(28)
All
127.0
(5)
63.5
(2/) -
355.6
(14)
76.2
(3) -
355.6
(14)
76.2
(3) -
711.2
(28)
All
Except 90° "B" Leads
139.7
69.85
(23/4) -
355.6
(14)
76.2
(3) -
355.6
(14)
101.6
(4) -
711.2
(28)
Post Terminals, SLE
152.4
(6)
76.2
(3) -
355.6
(14)
76.2
(3) -
355.6
(14)
101.6
(4) -
711.2
(28)
All
177.8
(7)
N/A
N/A
101.6
(4) -
355.6
(14)
N/A
N/A
Post Terminals
Standard Gaps:
• < 76.2 mm (3 in.) = 3 mm (0.125 in.) nominal
• 76.2 mm (3 in.) < 152.4 mm (6 in.) = 3 mm (0.25 in.) nominal ± 3 mm (0.125 in.)
• 152.4 mm (6 in.) < 355.6 mm (14 in.) = 9.52 mm (0.375 in.) nominal ±
3 mm (0.125 in.)
• > 355.6 mm (14 in.) = 12.7 mm (0.5 in.) nominal ± 6.3 mm (0.25 in.)
General Limitations:
• Maximum width of 25 mm (1 in.) diameter heater is 38 mm
(1.5 in.) wide
• Maximum heater width = 3x heater diameter
• Minimum I.D. for Type B, C, E and H
leads = 25 mm (1 in.)
• Minimum I.D. for Type B—90 degree leads = 28 mm (1.125 in.)
• Maximum lead amps: 8.5A per pair
• Maximum amps (post terminals): 30A per pair
19
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