Category: Wieland Modular Wiring Specifications BS61535
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Wieland
Modular Wiring Specifications / BS61535
Typical Modular Wiring Specification:
Armoured & Unarmoured Systems
General:
The contractor shall install a modular wiring system for distribution of
lighting and power within the ceiling void.
System: Armoured
The modular wiring system generally comprise of cable assemblies and
steel enclosures. All internal wiring generally will be 2.5 mm² & 4.0
mm² LSOH singles (6491B). The modular wiring system generally is rated
230V/16A or 20A. The modular wiring system offers a high degree of
mechanical protection through the use of steel enclosures and cable
assemblies comprising metal flexible conduit and die-cast connector
housings.
System: Unarmoured
The modular wiring system shall comprise of LS0H flexible cable
assemblies, steel enclosures (MDBs) and polyamide enclosures. The
modular wiring system is rated at 230V/16A.
Connector System:
The connector system used throughout the entire modular wiring system
shall incorporate a connector system manufactured and tested in
accordance with BS 61535 - Installation Couplers Intended for Permanent
Connection. Connectors shall be 3, 4, 5 or 6 pole type and have fully
shrouded female (live) pins.
System Components:
The principal components of the Modular Wiring System shall be as
follows :
- Home Run Cable
- Cable Assembly
- Fused Connection Unit (FCU)
- Main Distribution Box (MDB)
- T Connector 5 Switch Connector
Home Run Cables:
Home Run Cables generally comprise of LS0H SWA 2.5 mm² multicore type up
to 4.0 mm² & 6.0 mm² LS0H singles (number dependant on number of
circuits) in metal flexible conduit (up to 40 mm diameter) complete with
gland and lock-nut. If the modular wiring system is to be integrated
with a lighting control system the Home Run Cable will generally
comprise of a Belden type 8719 fieldbus cable.
Main Distribution Boxes (MDB’s):
MDBs generally comprise of a solid steel enclosure with a removable lid
and provision for earthing. Output ports shall be positioned around
perimeter of the MDB. The MDB shall incorporate a suitably sized DIN
rail mounted terminal for connection of the Home Run Cable and internal
wiring to the output ports.
Cable Assemblies: Armoured
Cable assemblies generally comprise up to 4.0 mm² LSOH singles in a
metal flexible conduit (16 mm diameter) and pre-wired male and/or female
connector and/or gland and lock-nut.
Cable Assemblies: Unarmoured
Cable Assemblies generally comprise LS0H multicore flexible cable and
pre-wired male and/or female connectors.
T Connector: Armoured
The T Connector generally comprise of a die-cast connector housings,
male and female connectors (6 pole) and tails or flexible drop lead for
connection to luminaires/lighting control module (LCM)/fan coil unit (FCU)/variable
air volume unit (VAV).
T Connector: Unarmoured
T Connectors generally comprise of polyamide connector housings, male
and female “snap-fit” connectors (3, 4 5 or 6 pole) and tails or
flexible drop lead for connection to luminaire/lighting control module
(LCM)/fan coil unit (FCU)/variable air volume unit (VAV).
Switch Connector: Armoured
Switch Connectors generally comprise of a die-cast connector housings,
male and female connectors and pre-wired flexible switch drop or
facility for plug-in Switch lead.
Switch Connector: Unarmoured
Switch Connectors generally comprise of a polyamide connector housings,
male and female connectors (3, 4, 5 or 6 pole) and pre-wired flexible
switch drop or facility for plug-in Switch Lead.
Fused Connection Unit (FCU):
Fused connection Units (for connection to fan-coils or similar loads)
shall comprise of a steel enclosure with removable lid, a suitably rated
switch and fuse (or combined) and suitable provision for earthing.
RST Specification IP66/IP68
Temperature Range: - 40°C to + 100°C
Material: Contact parts: brass. Surface-plated Housing parts:
thermoplastic material PA 66, halogen- free, V2 Sealing material: NBR.
Regulations: DIN VDE 0606 T200, DIN EN61984 (VDE 627), VDE 0110 IEC
60999: UL 2238: CSA: C22.2 No. 182.2-M1987 LR Type Approval System.
Approvals: Pending
VDE; UL; CSA; LR; GL; DNV.
Degree of Protection: IP 65, IP66, IP67 and IP 68 (3 m; 2 hours).
Glow-wire Test 850°C, 30s: For connectors, distribution units, cable
assemblies and appliance couplers.
Coding: Mechanical coding symbolised by colour code. Grey and black
with the same mechanical coding. Other codings are optional.
Note: Protection against shock generally guaranteed even when
disconnected. Protective conductor leading. Connection to the live cable
must be with a female connector according to the regulations. It is
therefore not possible to have a ring circuit arrangement. Only
pluggable in the correct pole configuration: 1 pole cannot be connected.
Contacts protected against strain on the cable. All components can be
interlocked. DIN VDE 0606-200 requires the use of a locking device.
Dangerous mismating with installation connector systems of other
suppliers is not automatically excluded by compliance with DIN VDE 0606
T200. Installation connectors do not replace national connector/outlet
systems for home applications.
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