Kramer BCLS-21 Cat 6 U/UTP Low-Smoke/Zero-Halogen Cable (1000')

Kramer BCLS-21 Cat 6 U/UTP Low-Smoke/Zero-Halogen Cable (1000')

Kramer BCLS-21 Cat 6 U/UTP Low-Smoke/Zero-Halogen Cable (1000')

B&H # KRBCLS21GR3 MFR # BCLS-21GR-3
Kramer BCLS-21 Cat 6 U/UTP Low-Smoke/Zero-Halogen Cable (1000')

Kramer BCLS-21 Cat 6 U/UTP Low-Smoke/Zero-Halogen Cable (1000

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Product Highlights

  • Bandwidth Exceeds Cat 6 Specifications
  • 4 Pairs 23 AWG Solid Bare Copper
  • Low-Smoke/Zero-Halogen Jacket
  • Internal Rip Cord
  • Cross Filler
  • Sequential Markings
  • Reelex II Carton
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  • 1Description

The BCLS-21 (1000') by Kramer is a high-performance Cat 6 U/UTP cable for IT, LAN, and Ethernet installations. Its design exceeds Cat 6 specifications and provides a larger bandwidth than the basic standard cable (sweep frequency up to 600 MHz).

The cable is constructed with four pairs of 23-gauge solid bare-copper conductors. The low-smoke, zero-halogen jacket emits limited smoke and no halogen when exposed to high sources of heat, protecting people and equipment from toxic and corrosive gas.

Other features include an internal rip cord to prevent damage to the individual conductors when stripping off the jacket, a cross filler to reduce crosstalk, sequential markings every meter, and a Reelex II carton to help you easily reel out the cable when deploying it.

  • 4 pairs of 23 AWG solid bare copper conductors
  • Low-smoke zero-halogen jacket for safety
  • Exceeds Cat 6 specifications for wider bandwidth
  • Sweep frequency up to 600 MHz
  • Internal rip cord for additional protection 
  • Cross filler for reduced crosstalk
  • Sequential markings every meter
  • Reelex II carton for easy pull-out
  • Applications include structure cabling for horizontal and building backbone cable, IT, LAN and Ethernet installations, IEEE 802.3ab 1000BASE-T, 1000BASE-TX and legacy speeds, CDDI/ATM/Token Ring, and IEEE 802.3af (PoE) / IEEE 802.3at (PoE+)    
In the Box
Kramer BCLS-21 Cat 6 U/UTP Low-Smoke/Zero-Halogen Cable (1000')
  • Limited 7-Year Warranty
  • Table of Contents
    • 1Description
    Construction Conductor: 4 pairs of 23 AWG solid bare copper
    Insulation: Polyolefin (PO) - blue & white / blue stripe, orange & white / orange stripe, green & white / green stripe, brown & white / brown stripe
    Twist: Left-hand
    Assembly: Left-hand direction
    Rip Cord: Polyester multi-yarn
    Filler: Polyolefin (PO)
    Jacket: Low-smoke zero halogen (LSZH), gray (Pantone 363C)
    Diameters Jacket: 0.23 ±0.007" (6.0 ±0.2 mm)
    Jacket Thickness: 0.019 ±0.001" (0.50 ±0.05 mm)
    Insulation Blue & White / Blue Stripe: 0.038 ± 0.007" (0.97 ± 0.02 mm)
    Insulation Orange & White / Orange Stripe: 0.036 ± 0.007" (0.93 ± 0.02 mm)
    Insulation Green & White / Green Stripe: 0.037 ± 0.007" (0.96 ± 0.02 mm)
    Insulation Brown & White / Brown Stripe: 0.036 ± 0.007" (0.93 ± 0.02 mm)
    Electrical Temperature and Voltage Rating: 60°C @ 300 V
    Spark Test: 2.5 kVDC
    AC Leakage Current: ≤ 10 mA /1.5 kVAC, through overall jacket
    Coupling Attenuation: ≤ 55 dB @ 30 MHz, ≤ 47 dB @ 250 MHz
    Conductor DC Resistance: ≤ 9.38 Ohms / 100 m
    Resistance Unbalance: ≤ 5%
    Dielectric Strength: 1.5 kVAC for 2 sec
    Insulation Resistance: ≥ 5000 MOhms/m
    Mutual Capacitance: ≤ 5.6 nF / 100 m
    Capacitance Unbalance: ≤ 330 pF / 100 m, pair-to-ground
    Characteristic Impedance: 100 ±15 Ohms @ 1 to 100 MHz
    Regulatory Performance ANSI/TIA-568-C.2 (2009): Balanced twisted-pair telecommunications cabling and components standards
    ISO/IEC 11801 (Edition 2.2): Information technology, generic cabling for customer premises
    IEC 61156-5 (Edition 2.0): Multicore and symmetrical pair/quad cables for digital communications (part 5: symmetrical pair/quad cables with transmission characteristics up to 1000 MHz, horizontal floor wiring, sectional specification)
    EN 50288-3-1:2013: Multi-element metallic cables used in analog and digital communication and control, sectional specification for unscreened cables characterized up to 250 MHz, horizontal and building backbone cables
    Regulatory Safety EN 50173-1:2011: Information technology, generic cabling systems (part 1: general requirements)
    IEC 60332-1-2: Tests on electric and optical fiber cables under fire conditions, (part 1-2: test for vertical flame propagation for a single insulated wire or cable), procedure for 1 kW pre-mixed flame
    IEC 61034-1 / 61034-2: Measurement of smoke density of cables burning under defined conditions
    IEC 60754-2: Test on gases evolved during combustion of materials from cables
    Usage & Environmental Cable Cold Bend: -4°F (-20°C) for 4 hours
    Insulation Tensile Strength: 2400 PSI min. (1.69 kg/m²)
    NVP: 69%
    Temperature Range / Storage & Shipping: -4° to 140°F (-20° to 60°C)
    Temperature Range / Installation: 32° to 140°F (0° to 60°C)
    Temperature Range / Operation: -4° to 140°F (-20° to 60°C)
    Minimum Bending Radius: ≥ 4 x the overall diameter
    Maximum Pulling Tension: ≤ 110 N
    Length 1000' (304.8 m)

    Kramer BCLS-21 Cat 6 U/UTP Low-Smoke/Zero-Halogen Cable (1000') Review

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