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 For cranes, conveyors, hoists, monorails, automated storage and retriever systems and other electrification systems. The advanced Saf-T-Bar system reflects the basic Howell engineering concept of an integral insulated conductor, which provides years of safe, economical trouble-free service. It is designed for compact, low-cost installation and minimum maintenance. Series T conductors are fabricated of galvanized steel rated at 65 amperes and electrolytic copper rated at 200 amperes. Insulating covers are rigid PVC extrusions rated at 160°F operating temperature and Lexan extrusions rated at 260°F. Both materials are self-extinguishing.
Furnished in 10' lengths, complete with insulating cover and joint fittings. Multiple hanger supports should be used only in clean, dry indoor locations. "T" Bar is not recommended for dirty applications. |
Series T SAF-T-BAR Features |
 Twin Contact Conductor: Two internal contact grooves track the collector. Conductor configuration provides for excellent ventilation with high amperage capacity for its weight
Contained Collector: Twin shoes of collector, sprung back to back into contact grooves within conductor, contain collector in correct contact alignment of conductor. Alignment of collector is not dependent on other equipment
Compact Dimensions for efficient use of minimal space. One square inch per conductor
Modular Design of the system facilitates use of multiple conductors easily mounted in various combinations with multiple collector assemblies
Skin-Tight Insulation runs cooler; will not deform under clamp pressure
Rapid Installation: Slide-on or snap-on joint clips and multi-bar, one unit mountings are features designed for quick, easy erection
New Hand Safe Design available |
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| Joining Conductor Sections |
The joint splice assembly connects and aligns standard 10' conductor lengths. The joint clip is furnished in place on one end of the conductor. End of the adjacent conductor slides into joint clip and is pulled up tight with joint tool.
A 4" joint cover slides over the exposed johnt area to complete the insulation. The joint cover locks in place by means of indents and is formed of the same materi`l as the insulating conductor cover. An excellent low cost connector for push-pull applications and a self-supporting collector for a variety of mobile power applications. |
| Power Feed - A terminal lug with insulating cover, TF100, is provided as a feed which clamps onto 3/4" length of bare conductor and which will accept wires up to #6 fldx. Rated at 100 amperes it is used in pairs for higher ampere requirements. The conductor may also be fed by securing a standard terminal lug to the 1/4" hole in the end of the conductor and taping over it for insulation. |
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| End Cover - The end cover TN100C, required to complete the insulation of the conductor, is a sleeve extending 1/2" over the end of the bar. As an alternative, the conductor may be cut back so that the regular insulating cover extends 1/2" beyond the end of the conductor. This end cover may also be used as a transfer end cap having a ±1/8" tolerance with a 1" gap setting on interlocks. |
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| Expansion Gaps |
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| Expansion Gaps may be required every 150 feet for steel conductors and every 100 feet for copper conductors, this length expanding 1" in 100°F temperature change. Set up gap with jumper as shown (i.e. 0°F 0" gap, 50°F 1/2" gap, 100°F 0" gap). Two extra power fedds and a jumper bridge the gap electrically. Hanger clamps held in the grooved Gap Guide Bracket align the two conductors. Extended joint cover and insulating cover complete the installation. The support bolt on the guide frame must go to a conductor mounting bracket. (For low amperage applications, if there are no runway expansion gaps to match, expansion gaps may be omitted.) |
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Isolation Points - A rigid plastic sleeve, providing 1/2" over-surface gap electrically, for electrical segmentation of conductor bars. A self-supporting sleeve.
Bending and Cutting - Saf-T-Bar may be bent against the back, or the open face, of the conductor. Minimum radius 18". Bending against the side of the conductor (the hard way) requires factory bending to order. Minimum radius 24". |
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