Belden

638AMJ - Access Control, 16c (#18-3pr, #16-4c, #18-6c), Only Card Reader Pairs Shielded, Outer Jacket, CMP

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SKU:
638AMJ
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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, Overall Flamarrest® jacket

Specifications

Specifications

Product Overview

Suitable ApplicationsAccess Control, Security System, Power Limited Controls

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. Insulation DiameterColor Code
Card ReaderPair(s)PVC - Polyvinyl ChlorideBlack & Red, White & Green, Brown & Orange
Door ContactConductor(s)PVC - Polyvinyl ChlorideBlack, Red
REX/SpareConductor(s)PVC - Polyvinyl ChlorideBlack, Red, White, Green
Lock PowerConductor(s)PVC - Polyvinyl Chloride0.075 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. DiameterRipcordColor
Card ReaderPair(s)PVC - Polyvinyl Chloride0.288 in (7.32 mm)YesOrange
Door ContactConductor(s)PVC - Polyvinyl Chloride0.154 in (3.91 mm)YesWhite
REX/SpareConductor(s)PVC - Polyvinyl Chloride0.180 in (4.57 mm)YesBlue
Lock PowerConductor(s)PVC - Polyvinyl Chloride0.206 in (5.23 mm)YesGray

Outer Jacket

MaterialNom. DiameterRipcord
PVC - Polyvinyl Chloride0.548 in (13.9 mm)Yes
Overall Cable Diameter (Nominal)0.548 in (13.9 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/1000ft (22 Ohm/km)13.1 Ohm/1000ft (43.0 Ohm/km)40 pF/ft (130 pF/m)72 pF/ft (240 pF/m)4 Amps per Conductor at 25ºC
Door ContactConductor(s)6.6 Ohm/1000ft (22 Ohm/km)4 Amps per Conductor at 25ºC
REX/SpareConductor(s)6.6 Ohm/1000ft (22 Ohm/km)4 Amps per Conductor at 25ºC
Lock PowerConductor(s)4 Ohm/1000ft (13 Ohm/km)5 Amps per Conductor at 25ºC

Voltage

UL Voltage Rating
300 V (UL CMP)

Mechanical Characteristics

Temperature

Operating
0°C to +75°C
Max. Pull Tension235 lbs (107 kg)
Bulk Cable Weight166 lbs/1000ft (247 kg/km)

Standards and Compliance

Environmental SuitabilityIndoor - Plenum, Indoor
Flammability / Reaction to FireNFPA 262
NEC / UL ComplianceArticle 800, CMP
CEC / C(UL) ComplianceCMP
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 Number538AMJ

History

Update and RevisionRevision Number: 0.74 Revision Date: 05-05-2023
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