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| | | irrel Heaters | | |
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| | | MI Band Applications and Technical Data | | |
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| | | 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. | | |
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| | | Physical Limitations of Variations | | |
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| | | 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 | | | | | | | | | | | | | | | | | | | | | | | |
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| | | 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 | | |
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