& Security Cable, Access Control Cable, Access Control Cable, Access Control Cable, Belden, Safety, Sound, Wire & Cable
638AMS – Access Control, 16c (#18-3pr, #16-4c, #18-6c), Only Card Reader Pairs Shielded, Banana Peel®, CMP
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Product Overview
| Suitable Applications: | Access Control, Security System, Power Limited Controls |
| Patent: | This product has one or more applicable patents. More information on patents can be found at https://www.belden.com/patents. |
Construction Details
Conductor
| Element Description | Element | No. of Elements | Size | Stranding | Material |
|---|---|---|---|---|---|
| Card Reader | Pair(s) | 3 | 18 AWG | 7×26 | BC – Bare Copper |
| Door Contact | Conductor(s) | 2 | 18 AWG | 7×26 | BC – Bare Copper |
| REX/Spare | Conductor(s) | 4 | 18 AWG | 7×26 | BC – Bare Copper |
| Lock Power | Conductor(s) | 4 | 16 AWG | 19×29 | BC – Bare Copper |
Insulation
| Element Description | Element | Material | Nom. Thickness | Nom. Insulation Diameter | Color Code |
|---|---|---|---|---|---|
| Card Reader | Pair(s) | PVC – Polyvinyl Chloride | 0.009 in (0.23 mm) | 0.063 in (1.6 mm) | Black & Red, White & Green, Brown & Orange |
| Door Contact | Conductor(s) | PVC – Polyvinyl Chloride | 0.009 in (0.23 mm) | 0.063 in (1.6 mm) | Black, Red |
| REX/Spare | Conductor(s) | PVC – Polyvinyl Chloride | 0.009 in (0.23 mm) | 0.063 in (1.6 mm) | Black, Red, White, Green |
| Lock Power | Conductor(s) | PVC – Polyvinyl Chloride | 0.008 in (0.20 mm) | 0.073 in (1.9 mm) |
Inner Shield
| Element Description | Element | Shield Type | Material | Coverage | Drainwire Type |
|---|---|---|---|---|---|
| Card Reader | Pair(s) | Tape | Bi-Laminate (Alum+Poly) | 100% | 24 AWG (7×32) TC |
| Door Contact | Conductor(s) | No Shield | |||
| REX/Spare | Conductor(s) | No Shield | |||
| Lock Power | Conductor(s) | No Shield |
Inner Jacket
| Element Description | Element | Material | Nom. Thickness | Nom. Diameter | Ripcord | Color |
|---|---|---|---|---|---|---|
| Card Reader | Pair(s) | PVC – Polyvinyl Chloride | 0.017 in (0.43 mm) | 0.286 in (7.26 mm) | Yes | Orange |
| Door Contact | Conductor(s) | PVC – Polyvinyl Chloride | 0.015 in (0.38 mm) | 0.154 in (3.91 mm) | Yes | White |
| REX/Spare | Conductor(s) | PVC – Polyvinyl Chloride | 0.015 in (0.38 mm) | 0.180 in (4.57 mm) | Yes | Blue |
| Lock Power | Conductor(s) | PVC – Polyvinyl Chloride | 0.015 in (0.38 mm) | 0.206 in (5.23 mm) | Yes | Gray |
Outer Jacket
| Nom. Diameter |
|---|
| 0.508 in (12.9 mm) |
| Table Notes: | Banana Peel® |
| Overall Cable Diameter (Nominal): | 0.508 in (12.9 mm) |
Electrical Characteristics
Electricals
| Element Description | Element | Nom. Conductor DCR | Nom. Inner Shield DCR | Nom. Capacitance Cond-to-Cond | Nom. Capacitance Cond-to-Shield | Max. Current |
|---|---|---|---|---|---|---|
| Card Reader | Pair(s) | 6.6 Ohm/1000ft | 13.1 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 Contact | Conductor(s) | 6.6 Ohm/1000ft (22 Ohm/km) | 14 Amps per Conductor at 25ºC | |||
| REX/Spare | Conductor(s) | 6.6 Ohm/1000ft (22 Ohm/km) | 11.2 Amps per Conductor at 25ºC | |||
| Lock Power | Conductor(s) | 4 Ohm/1000ft (13 Ohm/km) | 14.4 Amps per Conductor at 25ºC |
Voltage
| UL Voltage Rating |
|---|
| 300 V |
Mechanical Characteristics
Temperature
| UL Temperature | Operating |
|---|---|
| 75°C | 0°C to +75°C |
Bend Radius
| Stationary Min. | Installation Min. |
|---|---|
| 5.08 in (129 mm) | 5.08 in (129 mm) |
| Max. Pull Tension: | 235 lbs (107 kg) |
| Bulk Cable Weight: | 148 lbs/1000ft |
Standards and Compliance
| Environmental Suitability: | Indoor – Plenum, Indoor |
| Flammability / Reaction to Fire: | NFPA 262, UL 910 (Plenum) |
| NEC / UL Compliance: | Article 800, CMP |
| 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) |
| APAC Compliance: | China RoHS II (GB/T 26572-2011) |
| Non-Plenum Number: | 538AMS |
Product Notes
| Notes: | Cold 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 Revision: | Revision Number: 0.183 Revision Date: 12-22-2023 |
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