Description

Ramcro – Security & Sound #18-4c BC Shielded CMR

Details:

Ramcro – Security & Sound #18-4c BC Shielded CMR

Specifications:

The Ramcro cable is an alternative to the Belden cable

Security & Sound Cable, Riser-CMR, 4-18 AWG stranded bare copper conductors with polypropylene insulation, Beldfoil® shield and PVC jacket with ripcord

Technical Specifications

Product Overview

• Suitable Applications: Security System, Intercom/PA, Audio/Speaker, Power-Limited Controls, Noisy Environment

Construction Details

Conductor

• Element: Conductor(s)
• of Elements: 4
• Size: 18 AWG
• Stranding: 7×26
• Material: BC – Bare Copper

Insulation

• Element: Conductor(s)
• Material: PO – Polyolefin
• Thickness: 0.009 in (0.23 mm)
• Insulation Diameter: 0.062 in (1.6 mm)
• Color Code: Black, Red, White, Green

Outer Shield

• Shield Type: Tape
• Material: Bi-Laminate (Alum+Poly)
• Coverage: 100%
• Drain wire Type: 24 AWG (7×32) TC

Outer Jacket

• Material: PVC – Polyvinyl Chloride
• Thickness: 0.017 in (0.43 mm)
• Diameter: 0.188 in (4.34 mm)
• Ripcord: Yes
• Overall Cable Diameter (Nominal): 0.188 in (4.78 mm)

Electrical Characteristics

Electricals

• Element: Conductor(s)
• Conductor DCR: 6.5 Ohm/1000ft
• Capacitance Cond-to-Cond: 27 pF/ft (89 pF/m)
• Capacitance Cond-to-Other (Conds + Shield): 48.5 pF/ft (159 pF/m)
• Current: 4 Amps per conductor @ 25°C

Voltage

• UL Voltage Rating: 300 V (CMR)

Mechanical Characteristics

Temperature

• UL Temperature: 75°C
• Operating: -20°C to +75°C

Bend Radius

• Stationary Min.: 1.9 in (48 mm)
• Installation Min.: 1.9 in (48 mm)
• Pull Tension: 104 lbs (47.2 kg)
• Bulk Cable Weight: 31 lbs/1000ft

Standards and Compliance

• Environmental Suitability: Indoor – Riser, Indoor
• Flammability / Reaction to Fire: UL 1666 Riser, FT4, IEC 60332-1-2
• CPR Compliance: CPR Euroclass: Eca
• NEC / UL Compliance: Article 800, CMR
• CEC / C(UL) Compliance: CMG
• European Directive Compliance: EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)
• UK Regulation Compliance: UKCA Mark
• APAC Compliance: China RoHS II (GB/T 26572-2011)
• Plenum Number: 6302FE