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Kramer BCLS-31 CAT6A U/UTP 23AWG LSZH 650MHz 500m / 1640ft Solid Bare Copper

SKU: BCLS-31
Brand: Kramer
$580.80
Brand Kramer
SKU BCLS-31
Weight 85.00 lbs
Warranty 3 Years
Condition New
Status Available
Expert

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Description

The BCLS-31 is a CAT6A U/UTP bulk cable designed for structured network cabling and Ethernet installations. It is supplied on a fumigated wooden reel in a 500m length and supports bandwidth up to 650MHz. The cable uses four pairs of 23AWG solid bare copper conductors and an LSZH jacket for reduced smoke and halogen emissions.

Key features include a cross filler and internal rip cord for reliable pair separation and easy termination. The unique zigzag jacket design improves performance in six-around-one bundle transmission and the round smooth jacket avoids twisted stripes for easier handling. The cable meets characteristic impedance and coupling attenuation criteria to support 10GbE and legacy Ethernet speeds.

Electrical and mechanical specifications include a conductor DC resistance of less than or equal to 9.38 ohm per 100m and characteristic impedance of 100 +/-15 ohm across 1 to 100MHz. The cable passes spark testing at 2.5kV DC, dielectric strength of 1.5kV AC for 2 seconds, and an insulation resistance of at least 5000 MOhm per meter. Mutual capacitance and capacitance unbalance are specified to maintain signal integrity over horizontal runs.

Connectivity and compatibility are native to U/UTP installations and the cable supports IEEE 802.3af (PoE) and IEEE 802.3at (PoE+) power delivery. The polyolefin insulation and four color-coded pair sets (blue/white, orange/white, green/white, brown/white) simplify pair identification during termination. The 23AWG solid conductors are optimized for RJ45 termination and in-wall and backbone deployment.

Typical use cases include horizontal structured cabling, building backbone distribution, and 10 Gigabit Ethernet links in commercial and institutional environments. The LSZH jacket makes the cable suitable for use in areas where reduced smoke and corrosive gas emissions are required during a fire. It is also appropriate for mixed legacy and modern Ethernet deployments where higher bandwidth headroom is desired.

Installation is straightforward thanks to the internal rip cord and consistent jacket dimensions that allow predictable bending and pulling behavior. The cable has a minimum bending radius of four times the overall diameter and a maximum pulling tension of 110N to prevent damage during installation. The construction and materials support long-term reliability and standardized compliance for professional network installations.

Specifications

CAT 6A U/UTPCAT 6A U/UTP
23AWG solid bare copper4 pairs 23AWG solid bare copper
LSZHLow smoke zero halogen
With rip cord & cross fillerrip cord, cross filler
High-Performance Single Cable TransmissionSingle cable transmission
Zigzag Jacket Designsix around one bundle transmission
Round & Smooth Jacket without Twisted Striperound smooth jacket no twisted stripe
High-Quality Safety Propertiessafety properties LSZH smoke/gas limits
Sweep Frequencyup to 650MHz
Length500m (1640ft)
Conductor4 pairs of 23AWG solid bare copper
InsulationPolyolefin (PO)
Insulation Colorsblue & white, orange & white, green & white, brown & white
TwistLeft-hand
AssemblyLeft hand direction
Rip CordPolyester multi-yarn
JacketLow smoke zero halogen (LSZH), yellow (Pantone 116C)
FillerPolyolefin (PO)
Jacket Diameter8.3 ±0.2mm
Jacket thickness1.10 ±0.01mm
Insulation Blue & white1.17 ±0.02mm
Insulation Orange & white1.12 ±0.02mm
Insulation Green & white1.15 ±0.02mm
Insulation Brown & white1.10 ±0.02mm
Temperature & Voltage Rating60°C @300V
Spark Test2.5kV DC
AC Leakage Current≤10mA (1.5kV AC)
Conductor DC Resistance≤9.38Ω /100m
Resistance Unbalance≤5%
Dielectric Strength1.5kV AC for 2sec
Insulation Resistance≥5000MΩ /m
Mutual Capacitance≤5.6nF /100m
Capacitance Unbalance≤330pF /100m pair-to-ground
Characteristic Impedance100±15Ω @1~100MHz
Coupling Attenuation≤55dB @30MHz / ≤41dB @500MHz
Cable Cold Bend-20°C for 4hr
Insulation Tensile Strength2400 PSI min. (1.69kg/m,2)
NVP67%
Temperature Range Storage & shipping-20°C to 60°C
Temperature Range installation0°C to 60°C
Temperature Range operation-20°C to 60°C
Minimum Bending Radius≥4 times of overall diameter
Maximum Pulling Tension≤110N
Regulatory PerformanceANSI/TIA-568-C.2 (2009), ISO/IEC 11801 (Edition 2.2), IEC 61156-5 (Edition 2.0), EN 50288-6-1:2013
Regulatory SafetyEN 50173-1:2011, IEC 60332-1-2, IEC 61034-1 / 61034-2, IEC 60754-2

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