BBIT-40/16
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  • BUSBAR INSULATION TUBING (BBIT)
    VOLTAGE CLASS 36 kV, APPLICATION Ø 11-125 mm
    • Exceptional insulation and long term reliability even at high continuous operating temperatures
    • Extremely durable, resists damage from solvents, ultraviolet light, weathering, mechanical impact
    • Flame retardant and non-halogen based material reduces flammability and the toxic and corrosive effects in fire situations
    • Good thermal emissivity and contact with busbars means no derating is required
    KEY FEATURES
    TE Connectivity’s (TE) Raychem thick wall, heat-shrinkable BBIT tubing provides insulation enhancement and protection against flashover and accidentally induced discharge. Particularly useful in confined spaces, Raychem BBIT tubing can be used on both circular and rectangular copper or aluminium busbars.
    On application of heat the tubing shrinks snugly over the busbar profile ensuring that the required minimum wall thickness is obtained. Raychem BBIT tubing can be installed easily during large scale production using an oven or in the field using a gas torch or hot air. Raychem BBIT tubing is manufactured from a non-halogen based polymer which has excellent performance in high voltage environments and reduces the noxious and corrosive effects in fire situations.
    The use of Raychem BBIT tubing allows equipment designers the freedom to reduce air spacing between busbars, such as in the manufacture of switchgear cabinets where space is at a premium. Raychem BBIT tubing provides flashover protection
    up to 36 kV.
    ENERGY /// MEDIUM VOLTAGE BUSBAR INSULATION TUBING (BBIT)
    Customers can count on consistent, high quality products, driven by TE’s proven innovation and backed by our extraordinary customer support.
    TE’s wildlife and asset protection products and systems
    of tubes, tapes, sheets, pre-formed covers and barriers
    provide a proven, cost-effective and easy-to-install
    solution to bird, animal and weather related outages.
    Medium Voltage Busbar Insulation Tubing (BBIT)
    ENERGY /// MEDIUM VOLTAGE BUSBAR INSULATION TUBING (BBIT)
    te.com/energy
    © 2014 TE Connectivity Ltd. family of companies. All Rights Reserved. EPP-0607-10/14
    Raychem, TE Connectivity and TE connectivity (logo) are trademarks. Other logos, product and/or company names
    might be trademarks of their respective owners. While TE has made every reasonable effort to ensure the accuracy of the
    information in this brochure, TE does not guarantee that it is error-free, nor does TE make any other representation, warranty
    or guarantee that the information is accurate, correct, reliable or current. TE reserves the right to make any adjustments
    to the information contained herein at any time without notice. TE expressly disclaims all implied warranties regarding
    the information contained herein, including, but not limited to, any implied warranties of merchantability or fitness for a
    particular purpose. The dimensions in this catalog are for reference purposes only and are subject to change without notice.
    Specifications are subject to change without notice. Consult TE for the latest dimensions and design specifications.
    FOR MORE INFORMATION: TE Technical Support Centers
    USA: + 1 800 327 6996
    France: + 33 380 583 200
    UK: + 44 0870 870 7500
    Germany: + 49 896 089 903
    Spain: + 34 916 630 400
    Benelux: + 32 16 351 731
    Canada: + 1 (905) 475-6222
    Mexico: + 52 (0) 55-1106-0800
    Latin/S. America: + 54 (0) 11-4733-2200
    China: + 86 (0) 400-820-6015
    Key product specifications Test method Requirement
    Thermal endurance IEC 216 105°C min.
    Accelerated ageing
    ISO 188, ASTM D2671
    168 hrs @ 120°C
    - Tensile strength 10 MPa min.
    - Ultimate elongation 300% min.
    Comparative tracking index IEC 112, VDE 0303/1 KA 3c
    Dielectric strength ASTM D149, IEC 243
    180 kV/cm min. @ 2 mm
    150 kV/cm min. @ 2.5 mm
    120 kV/cm min. @ 3 mm
    Low temperature flexibility ASTM D2671 Procedure C No cracking after 4 hrs @ -40°C
    Smoke index NES 711 Less than 120
    Acid gas generation Raychem PPS 3010 4.23 Less than 1% by weight
    Low temperature flexibility ASTM D2671 Procedure C No cracking after 4 hrs @ -40 °C
    Flammability ANSI C37.20/IEEE-27 No flame conveyance, 60 sec. max.
    Tracking and Erosion Resistance ASTM D2303
    No tracking, erosion to top surface
    or flame failure after 1 hr. at 2.5 kV,
    after 1 hr. at 2.75 kV, 1% max.
    Note: For further product specification information see Raychem PPS 3010/04.
    TECHNICAL REPORT
    EDR-5533 BBIT Tubing Qualification Report
    UVR 8003 – Supplementary qualification of BBIT
    UVR 8130 – Resistance of BBIT, MWTM and RNF
    100 to 10% HF solution, surface resistance and
    other tests
    UVR 8091 – Production-scale installation of BBIT/
    BPTM
    UVR 8194 – Long term weathering and thermal
    ageing of BBIT and BPTM tubing
    Round busbars
    Rated
    voltage
    (kV)
    Phase–phase
    (mm)
    Phase–
    ground
    (mm)
    IEC 71-2
    air
    clearance
    (mm)
    12 30 40 120
    17.5 45 60 160
    24 60 90 220
    36 100 160 320
    Rectangular busbars
    Rated
    voltage
    (kV)
    Phase–phase
    (mm)
    Phase–
    ground
    (mm)
    IEC 71-2
    air
    clearance
    (mm)
    12 35 45 120
    17.5 55 65 160
    24 70 100 220
    36 140 190 320
    CLEARANCE REDUCTION
    The tables indicate the clearance
    reductions which are possible using Raychem
    BBIT tubing. These are derived from BIL, AC withstand, DC withstand and
    discharge extinction tests. These clearances should not be adopted without
    testing by the user. Sharp electrodes and unusual geometries may require wider
    clearances.
    Product selection Ordering information
    Ordering
    description
    Rectangular
    bars L + T (mm)
    Round bars
    D (mm)
    Inside diameter
    (mm)
    Wall thickness
    (mm)
    UOM: roll
    of length
    (m)
    min. max. min. max. H min. h max. W min. w max.
    BBIT-25/10-A/U-4 17 28 11 20 25 10 1.6 3.6 25
    BBIT-40/16-A/U-4 28 45 18 32 40 16 1.6 3.6 20
    BBIT-65/25-A/U-4 44 69 28 47 65 25 1.6 3.6 15
    BBIT-100/40-A/U-4 69 102 44 72 100 40 1.6 3.6 15
    BBIT-150/60-A/U-4 102 148 65 105 150 60 1.6 3.6 15
    BBIT-175/80-A/U-4 133 196 85 125 175 80 1.6 3.6 10
    Note: W, H = as supplied w, h = after free recovery.
    Maximum longitudinal change after free recovery: ±5%. Maximum eccentricity: 35% (as supplied), 15%
    (after free recovery). Fit the larger size of BBIT if two sizes fit the required application.
    Installation instructions EPP 0618 6/08 and Material Safety
    Data Sheet available on request.
    L
    r = min. 0.8 mm
    PRODUCT SELECTION
    BBIT should normally be used on the following
    busbar sizes
    W w
    T or T D
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