TUR: Reduced Urban Panel TUR4-800 WITHOUT ACG PRE-WIRING
The low-voltage TUR panels are installed downstream from transformers in MT/BT public distribution substations. They ensure, at the head of the low-voltage network, the general disconnection or closing under load, and distribution across 4 to 8 branches protected by removable fuse circuit breakers.
CONSTRUCTION
1 general load disconnecting device (visible break four-pole switch-disconnector)
1 set of busbars (N, Ph1, Ph2, Ph3)
4 interchangeable 800A monobloc feeders equipped with HPC T2 fuse circuit breakers (excluding Neutral)
Description
CONSTRUCTION
A TUR panel consists of:
1 general load disconnecting device (visible break four-pole switch-disconnector)
Material intended for interior use
Metal frame made of pre-galvanized sheet metal
Four-pole (N, Ph1, Ph2, Ph3)
Assigned current depending on transformer power (800, 1200, or 1800 A)
Visible electric arc quenching in the air
Open switch: Automatic grounding of the transformer's neutral
Closed switch: Limitation of neutral overvoltages by a surge arrester (~10 kV)
Connection via lugs, cables in aluminum or copper
Panels can accommodate 4, 5, or 8 interchangeable Monobloc feeders
1 set of busbars (N, Ph1, Ph2, Ph3)
1 to 8 interchangeable Monobloc feeders equipped with HPC T2 fuse circuit breakers (excluding Neutral)
Four-pole assembly including 3 HPC T2 fuse circuit breakers (Ph1, Ph2, Ph3) up to 400 A
The Neutral is disconnectable via a rotating bar included in the feeder
Connection via lugs (mounted on aluminum or copper cables)
The Monobloc feeders are interchangeable
Monobloc feeders are bolted onto the TUR using an insulated wrench
Available fuses: 125 A, 160 A, 200 A, 250 A, 315 A, 400 A (according to HN 63-S-20 or IEC 60269)
FUNCTIONS
General isolation of the low voltage (BT)
Distribute electrical energy across multiple feeders
Protect each feeder/phase with fuses
Disconnect or isolate each feeder/phase
Features
Visible Break Switch-Disconnector
4 removable monobloc departures with screens: Each departure is equipped with a removable screen for easier maintenance and servicing. 1 isolation panel: Ensures safety during maintenance by isolating the circuits. Fuse door protectors: Devices to protect the fuses and ensure a cut-off in case of overload. 1 insulated key: For secure activation and handling of devices. Optional: - Knife fuse size 2: Knife-type fuse, standard for high-power installations. - Tetrapolar protection for public lighting departure (ACG): Specific protection for public lighting installations with 4 poles. - Post lighting protection: For protecting lighting circuits in a distribution post. - Reserve panels designed to replace a TUR departure: Additional panels allowing modification or completion of the installation without the need for new departures. - Isolation, short-circuiting, and testing panels: These allow the installation to be safely isolated during maintenance or simulate short-circuits for equipment testing.