The XTLD Dual Voltage Isolated Power Panel is a single panel allowing a primary feed to drive two separate output voltages from a single transformer. This configuration provides up to 16 120V, 20A circuits for standard line powered equipment and up to two 208 or 240V, 30 or 50A dedicated circuits for laser equipment loads. Because the XTLD Panel is a single panel with one transformer and two separate ungrounded output voltages, each operating room can have its own laser or special application power supply.

The XTLD Dual Voltage Isolated Power Supply System is typically installed in hospital operating rooms or other procedure rooms used for dedicated laser procedures. Using a XTLD Panel provides a cost effective alternative to buying multiple IDP Panels for low and high voltage applications.

Features

All XTLD Isolated Power Panels include:

Hospital Grade Isolation Transformer:

  • Standard sizes for each section range from 5 to 15kVA or up to a combined maximum of 25kVA
  • Primary voltages: 480, 380, 277, 240, 230, 220, 208, 1-phase, 60 Hz
  • Secondary voltages: 110/120 (low side), 208/220/240 (high side), 1-phase
  • Low leakage, electrostatically shielded primary and secondary windings
  • 220°C Class R Insulation
  • Clamped and bolted design with anti-vibration mounting bushings for quiet operation
  • Designed and built in accordance with UL and CSA Standards
  • 50Hz available (optional)

Mark V Line Isolation Monitor (LIM):

  • Continuous hazard current monitoring
  • Digital processing with self-test/self-calibration feature
  • Large, multi-line LCD simultaneously displays all critical system parameters
  • Multiple remote annunciator options available
  • Optional transformer temperature and load monitoring
  • Optional LIM-Connect™ Software

Interior Chassis:

  • Engineered to order, completely factory assembled, and 100% tested
  • Primary main circuit breaker
  • Up to 16 factory installed 120V, two-pole, bolt-on branch circuit breakers
  • High volt section breakers are determined by kVA size of the panel
  • Copper bus panelboard interior
  • Terminal strip for connecting Remote Annunciator(s)
  • Customer may specify standard circuit breakers from Eaton, GE, Siemens or Schneider Electric for consistent coordination or to maintain facility standard

Enclosure and Trim:

  • Heavy-duty galvanized steel back box designed for flush mounting; can be shipped ahead of interior during rough-in
  • Stainless steel front trim panel with fully hinged, door-in-door construction reduces damage and potential injuries during installation, testing, and maintenance
  • Surface mounting options available
  • LIM viewable through front trim

Available Accessory Outlet:

  • If a laser or X-ray outlet is needed, LO (for use with laser) or XO (for use with X-ray) outlets are used in conjunction with the XTLD Panel
  • LO/XO Outlet Module includes user specified NEMA receptacle, galvanized back box and a stainless steel front trim with hinged door over the laser or X-ray receptacle

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Panel Sizing

kVA Size

Back Box Size

208/240V

120V

10

5

70"H x 30"W x 12"D

10

7.5

70"H x 30"W x 14"D

10

10

15

7.5

15

10

  • The kVA of the panel transformer is determined by adding together the kVA of the low volt section (120V) and the high volt section (208 - 240V). (Example: If 15 kVA will be required for high volt section (208 - 240V) and 10 kVA for the low volt section (120V), the overall size is 25 kVA.)

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Installation

  • Special low leakage wire should always be used for the powered conductors of branch circuit wiring. XPLE type insulation such as XHHW-2 wire is recommended with a dielectric constant of less than 3.5. Standard type insulation such as THHN is appropriate for the incoming primary and the ground wires only.
  • Code (NFPA 70 ‐ Article 517.160) requires secondary circuits to be colored brown and orange, with a distinctive stripe in a contrasting color.  The brown wire is connected to the L2 bus and the hot side (brass screw) of a standard NEMA receptacle. The orange wire, L1 is connected to the silver screw where neutral would be connected. Polarity should be maintained throughout the installation.
  • Conduit runs for branch circuits should be as short and direct as possible to minimize accumulated leakage current in the circuit conductors.  Generally, 400‐450 feet is the maximum recommended cumulative length of for all branch conductors from a single transformer. Avoid unnecessary bends and junctions.
  • Do not use pulling compounds to lubricate inside of conduit.  This will break down the insulation properties and raise leakage current. A dry talc powder may be used. It is typical to use conduit with a slightly larger diameter to ease pulling and avoid damage to wire insulation. An interior coating of PVC may also be used.
  • Isolated power circuits must be kept separate from other circuits. Do not share conduit or raceway with non‐isolated circuits, or isolated circuits from another system.
  • Each receptacle and equipment grounding connector must be connected back to Reference Ground Bus inside Isolation Panel to maintain Equipotential grounding system. If multiple panels serve the same space, they must be bonded together.
  • See additional panel installation instructions and diagram here.

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Certifications

PG LifeLink Isolated Power equipment is designed, built, and tested in accordance with the following: 

  • UL 1047, UL 1022, UL 50
  • CSA C22.1 Part 1, and CSA C22.2 No. 204
  • IBC (2012), AC156 (2010), ASCE 7-10 
  • OSHPD (State of California), OSP-0210-10

PG LifeLink Isolated Power Systems UL Certification document
PG LifeLink Isolated Power Panel Seismic Certification document.

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