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Home > Products > Shielded Wires and Cables > KT xxxx SB Multicore Silver Plated Copper Shielded 250V FEP High Temperature Cable
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KT xxxx SB Multicore Silver Plated Copper Shielded 250V FEP High Temperature Cable

Product Details

Place of Origin: Shanghai, China

Brand Name: Bing Wire & Cable

Certification: ISO, RoHS, SGS

Model Number: KT xxxx SB

Document: KT SB.pdf

Payment & Shipping Terms

Minimum Order Quantity: 1 ft

Price: Negotiable

Delivery Time: 7-15 work days

Payment Terms: T/T,Western Union,Paypal

Supply Ability: 5000ft 7days

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Highlight:
Cable Family:
Unjacketed Shielded Cable
Conductor Material:
Silver Plated Copper Or Silver Plated Copper Alloy
Conductor Type:
Stranded
Insulation:
Extruded FEP
Shield:
Silver Plated Copper
Operating Temp:
-90°C ~ +200°C
Voltage Rating:
250 Volts AC
Standard Colors:
Black, Brown, Red, Orange, Yellow, Green, Blue, Purple, Grey, White
Cable Family:
Unjacketed Shielded Cable
Conductor Material:
Silver Plated Copper Or Silver Plated Copper Alloy
Conductor Type:
Stranded
Insulation:
Extruded FEP
Shield:
Silver Plated Copper
Operating Temp:
-90°C ~ +200°C
Voltage Rating:
250 Volts AC
Standard Colors:
Black, Brown, Red, Orange, Yellow, Green, Blue, Purple, Grey, White
KT xxxx SB Multicore Silver Plated Copper Shielded 250V FEP High Temperature Cable
Product Description

The KT xxxx SB Series represents a sophisticated solution for signal transmission in extreme environments. This FEP high temperature cable is engineered to meet the rigorous demands of aerospace and industrial instrumentation, manufactured in accordance with NEMA HP3 and NEMA WC27500 standards.

At the conductor level, the series offers a choice between standard silver plated annealed copper or high strength silver plated copper alloy (SCA). The SCA option is particularly beneficial for aerospace applications, providing significant weight reduction and increased tensile strength without compromising conductivity.

Designed for reliability, the cable utilizes extruded FEP (Fluorinated Ethylene Propylene) insulation, which offers superior dielectric strength and chemical inertness. Whether deployed in the freezing conditions of high-altitude flight or the intense heat of an engine compartment, this FEP insulated cable maintains its integrity across a range of -90°C to +200°C.

To ensure signal purity in electrically noisy environments, each configuration is encased in a high-quality silver plated copper shield. This shielding provides exceptional protection against EMI and RFI interference.

Key Features
  • 250V AC Rating - Specifically rated for 250 Volts AC, making it the ideal choice for low-voltage avionics, control circuits, and precision instrumentation.
  • Superior Shielding - The silver plated copper shield ensures high conductivity and coverage, safeguarding sensitive data transmission from electromagnetic interference.
  • High-Strength SCA Option - Features high strength silver plated copper alloy (SCA) conductors, designed to reduce harness weight and increase durability in high-vibration environments.
  • Extreme Temperature Performance - The FEP insulation remains flexible in cryogenic conditions (-90°C) and stable at high temperatures (+200°C), resisting melting and chemical attack.
  • Versatile Multicore Design - Available in SB1, SB2, and SB3 configurations to support everything from simple interconnects to complex twisted-pair data buses.
  • Chemical & Fluid Resistance - Highly resistant to jet fuels, hydraulic fluids, acids, and solvents, making it suitable for engine compartments and harsh industrial settings.
Specifications
BING'
REFERENCE
PRIMARY WIRE SHIELDING SHIELDED CABLE
REFERENCE NOMINAL
Ø (mm)
NOMINAL
Ø (inch)
STRAND
Ø (mm)
STRAND
Ø (inch)
NOMINAL OUTER
Ø (mm)
NOMINAL OUTER
Ø(inch)
APPROX. WEIGHT
(g/m)
APPROX. WEIGHT
(Ibs/100ft)
KT 3601 SB1 KT 3601 SCA 0.45 0.018 0.063 0.0025 0.73 0.029 2.03 0.14
KT 3607 SB1 KT 3607 SCA 0.48 0.019 0.063 0.0025 0.75 0.030 2.09 0.14
KT 3401 SB1 KT 3401 SCA 0.50 0.020 0.063 0.0025 0.75 0.030 2.17 0.15
KT 3407 SB1 KT 3407 SCA 0.50 0.020 0.063 0.0025 0.80 0.032 2.18 0.15
KT 3201 SB1 KT 3201 0.50 0.020 0.063 0.0025 0.80 0.032 2.25 0.15
KT 3207 SB1 KT 3207 0.57 0.022 0.063 0.0025 0.85 0.033 2.38 0.16
KT 3001 SB1 KT 3001 0.57 0.022 0.063 0.0025 0.85 0.033 2.50 0.17
KT 3007 SB1 KT 3007 0.62 0.024 0.063 0.0025 0.90 0.035 2.63 0.18
KT 3019 SB1 KT 3019 SCA 0.62 0.024 0.063 0.0025 0.95 0.037 2.66 0.18
KT 2801 SB1 KT 2801 0.65 0.026 0.063 0.0025 0.95 0.037 2.87 0.19
KT 2807 SB1 KT 2807 0.70 0.028 0.063 0.0025 1.00 0.039 3.52 0.24
KT 2819 SB1 KT 2819 0.70 0.028 0.063 0.0025 1.00 0.039 3.54 0.24
KT 2601 SB1 KT 2601 0.72 0.028 0.063 0.0025 1.00 0.039 3.85 0.26
KT 2607 SB1 KT 2607 0.80 0.032 0.079 0.0031 1.20 0.047 4.50 0.30
KT 2619 SB1 KT 2619 0.82 0.032 0.079 0.0031 1.20 0.047 4.66 0.31
KT 2401 SB1 KT 2401 0.83 0.033 0.079 0.0031 1.20 0.047 5.06 0.34
KT 2407 SB1 KT 2407 0.93 0.037 0.102 0.0040 1.40 0.055 6.83 0.46
KT 2419 SB1 KT 2419 0.95 0.037 0.102 0.0040 1.45 0.057 6.99 0.47
KT 2201 SB1 KT 2201 0.95 0.037 0.102 0.0040 1.45 0.057 7.63 0.51
KT 2207 SB1 KT 2207 1.10 0.043 0.102 0.0040 1.60 0.063 10.60 0.71
KT 2219 SB1 KT 2219 1.13 0.045 0.102 0.0040 1.60 0.063 10.90 0.73
KT 2001 SB1 KT 2001 1.13 0.045 0.102 0.0040 1.60 0.063 11.90 0.80
KT 2007 SB1 KT 2007 1.25 0.049 0.102 0.0040 1.80 0.071 12.50 0.84
KT 2019 SB1 KT 2019 1.33 0.052 0.102 0.0040 1.85 0.073 13.30 0.89

*The same conductor sizes are available in SB2 (twisted pair), and SB3 (twisted triple) configurations. Custom core counts are available*

Applications

Aerospace & Avionics - The KT Series is a staple in aircraft wiring harnesses. The 250V rating aligns perfectly with onboard electronics, while the SCA (High Strength Alloy) conductor option significantly reduces weight while maintaining high tensile strength—a critical factor in airframe design.

Robotics & Motion Control - The multicore configurations (SB2/SB3) are ideal for robotic arms and dynamic cabling systems. The twisted construction minimizes crosstalk between signal lines, while the flexible FEP insulation withstands repeated bending cycles in motion control applications.

Semiconductor Manufacturing - FEP has very low outgassing properties, making this wire suitable for internal wiring inside vacuum chambers and wafer processing tools. The silver plated copper shield protects sensitive control signals from the plasma environments found in etching equipment.

Medical Equipment - The chemical resistance of FEP protects the wiring from harsh disinfectants. This makes the KT Series ideal for diagnostic imaging devices (like CT/MRI scanners) where the shielded multicore design ensures clean signal transmission for high-resolution imaging.

Industrial Instrumentation - For precision sensors and thermocouples, signal noise is a major concern. The SB2 (Twisted Pair) and SB3 (Twisted Triple) versions effectively cancel out noise, ensuring that the data received by the control system is accurate, even in electrically noisy factory floors.

FAQ

Q: Why should I choose FEP insulation over PVC?

A: FEP offers a balance of properties. Unlike PVC, it handles extreme temperatures (-90°C to +200°C) and is chemically inert. It also has a lower dielectric constant than PVC, making it better for high-frequency signals.

Q: Can I solder this high temperature cable easily?

A: Yes, the silver-plated conductor ensures excellent solderability. The silver layer prevents the copper from oxidizing, even after exposure to high heat, ensuring a reliable solder joint without the need for aggressive fluxes.

Q: What is the minimum bend radius for the multicore versions?

A: Due to the twisted construction, the diameter is larger than a single core. Generally, the minimum bend radius should be 10 to 12 times the overall cable diameter to maintain the integrity of the twist and the shield.

Q: Can I order this high temperature cable with custom print legends?

A: Yes. While we stock standard colors (black, white, red, green, etc.), we can accommodate custom printed legends (e.g., part numbers, voltage ratings) on the FEP insulation for large volume orders to assist with your internal wiring identification.

Q: What is the typical lead time for the twisted configurations (SB2/SB3)?

A: Single core (SB1) items are often available from stock. Twisted configurations (SB2, SB3) usually require a short processing time for twisting and shielding, typically ranging from 7 to 15 days depending on the quantity.