Belden

638AMS - Access Control, 16c (#18-3pr, #16-4c, #18-6c), Only Card Reader Pairs Shielded, Banana Peel®, CMP

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638AMS
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Description

Access Control Cable, Plenum-CMP, 3-18 AWG pairs, 4-16 AWG conductors, 4-18 AWG conductors, 2-18 AWG conductors, All conductors stranded bare copper with Flamarrest® insulation, Only Card Reader pairs have overall Beldfoil® shield and Flamarrest® jackets, Banana Peel® No overall jacket

Specifications

Specifications

Product Overview

Suitable ApplicationsAccess Control, Security System, Power Limited Controls
PatentThis product has one or more applicable patents. More information on patents can be found at https://www.belden.com/patents.

Construction Details

Conductor

Element DescriptionElementNumber of ElementSizeStrandingMaterial
Card ReaderPair(s)318 AWG7x26BC - Bare Copper
Door ContactConductor(s)218 AWG7x26BC - Bare Copper
REX/SpareConductor(s)418 AWG7x26BC - Bare Copper
Lock PowerConductor(s)416 AWG19x29BC - Bare Copper

Insulation

Element DescriptionElementMaterialNom. ThicknessNom. Insulation DiameterColor Code
Card ReaderPair(s)PVC - Polyvinyl Chloride0.009 in (0.23 mm)0.063 in (1.6 mm)Black & Red, White & Green, Brown & Orange
Door ContactConductor(s)PVC - Polyvinyl Chloride0.009 in (0.23 mm)0.063 in (1.6 mm)Black, Red
REX/SpareConductor(s)PVC - Polyvinyl Chloride0.009 in (0.23 mm)0.063 in (1.6 mm)Black, Red, White, Green
Lock PowerConductor(s)PVC - Polyvinyl Chloride0.008 in (0.20 mm)0.073 in (1.9 mm)Black, Red, White, Green

Inner Shield

Element DescriptionElementShield TypeMaterialCoverageDrainwire Type
Card ReaderPair(s)TapeBi-Laminate (Alum+Poly)100%24 AWG (7x32) TC
Door ContactConductor(s)No Shield
REX/SpareConductor(s)No Shield
Lock PowerConductor(s)No Shield

Inner Jacket

Element DescriptionElementMaterialNom. ThicknessNom. DiameterRipcordColor
Card ReaderPair(s)PVC - Polyvinyl Chloride0.017 in (0.43 mm)0.286 in (7.26 mm)YesOrange
Door ContactConductor(s)PVC - Polyvinyl Chloride0.015 in (0.38 mm)0.154 in (3.91 mm)YesWhite
REX/SpareConductor(s)PVC - Polyvinyl Chloride0.015 in (0.38 mm)0.180 in (4.57 mm)YesBlue
Lock PowerConductor(s)PVC - Polyvinyl Chloride0.015 in (0.38 mm)0.206 in (5.23 mm)YesGray

Outer Jacket

Nom. Diameter
0.508 in (12.9 mm)
Table NotesBanana Peel®
Overall Cable Diameter (Nominal)0.508 in (12.9 mm)

Electrical Characteristics

Electricals

Element DescriptionElementNom. Conductor DCRNom. Inner Shield DCRNom. Capacitance Cond-to-CondNom. Capacitance Cond-to-ShieldMax. Current
Card ReaderPair(s)6.6 Ohm/1000ft13.1 Ohm/1000ft (43.0 Ohm/km)40 pF/ft (130 pF/m)72 pF/ft (240 pF/m)9.8 Amps per conductor @ 25°C
Door ContactConductor(s)6.6 Ohm/1000ft (22 Ohm/km)14 Amps per Conductor at 25ºC
REX/SpareConductor(s)6.6 Ohm/1000ft (22 Ohm/km)11.2 Amps per Conductor at 25ºC
Lock PowerConductor(s)4 Ohm/1000ft (13 Ohm/km)14.4 Amps per Conductor at 25ºC

Voltage

UL Voltage Rating
300 V

Mechanical Characteristics

Temperature

UL TemperatureOperating
75°C0°C to +75°C

Bend Radius

Stationary Min.Installation Min.
5.08 in (129 mm)5.08 in (129 mm)
Max. Pull Tension235 lbs (107 kg)
Bulk Cable Weight148 lbs/1000ft

Standards and Compliance

Environmental SuitabilityIndoor - Plenum, Indoor
Flammability / Reaction to FireNFPA 262, UL 910 (Plenum)
NEC / UL ComplianceArticle 800, CMP
European Directive ComplianceEU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)
APAC ComplianceChina RoHS II (GB/T 26572-2011)
Non-Plenum Number538AMS

Product Notes

NotesCold environment installation: When installing cables that have been stored at ambient temperatures of 32 degrees Fahrenheit (0 degrees Centigrade) or lower, Belden recommends conditioning of the cable for 12 hours at room temperature prior to individual cable leg separation.

History

Update and RevisionRevision Number: 0.181 Revision Date: 01-20-2023
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