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3 Phase Meter Box

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3 Phase Meter Box

SMC LT Distribution Box with metering arrangements

Manufactured using high-grade SMC, this 3-phase LT distribution box consists of 2/3 Pole MCCB for the incoming connection along with the Single/Three Phase meter integrated with the outgoing multiple connections busbars with various options along with the MCCB’s on the outgoing side too for providing the proper circuit protection.

Key Features & Benefits
  • SMC body with flame-retardant & UV properties
  • Equipped with MCCB protection
  • Weather-resistant with IP-54 rating
  • Viewing window for easy reading
  • Tamper-proof locking and earthing arrangement

Product Technical Details

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  • Material
  • Sheet Moulding Compound (SMC)
  • Grade of Material
  • IS: 13410, Grade S3
  • Thickness of Box
  • 3.0 mm load-bearing side, 2.0 mm cover
  • Heat Deflection Temperature
  • Min. 150°C
  • Flame Resistance
  • Self-extinguishing (Ref. Std. IS: 4249)
  • Melting Point
  • Does not melt (Ref. Std. IS:13360)
  • Degree of Protection
  • IP-54
  • Earthing
  • 2 Nos. Earthing Bolts
  • Bolt Material: MSZP, M10x25 mm
  • Hinges & Locking
  • Concealed hinges provided
  • Door closing with 3 Nos. “U” shaped latch with sealing hole
  • Hinges & Locking
  • Concealed hinges provided
  • Door closing with 3 Nos. “U” shaped latch with sealing hole
  • Ventilation & Mounting
  • Louvers: 2 Nos. (one each side)
  • Pole mounting: Flat of 25x3 mm with 2 Nos. supports
  • Viewing Window: 80x90 mm
  • Incoming Circuit
  • MCCB 1 No. (C&S / Havells / HPL / Spaceage / Any reputed make)
  • Rated Current: 40A
  • Rated Insulation Voltage: 660V
  • Short Circuit Breaking Capacity: 10kA
  • Utilization Category: AC-23A
  • Outgoing Circuit
  • 6 Nos. MCCB-25A (SP)
  • Rated Voltage: 415V
  • Rated Current: 25A
  • Busbar Details
  • Material: EC Grade Aluminium
  • Size: 25x5 sq. mm (Phase & Neutral)
  • Connection: Aluminium cable
  • Cable Entry & Exit
  • Incoming: Ø30 mm hole with rubber grommet (1 No.)
  • Outgoing: Ø30 mm hole with rubber grommet (2 Nos.)
  • Additional Details
  • Busbar mounting arrangement: Provided
  • Marking Details: As per standards
  • Packing: Standard

Technical Specifications

  • Material
  • SMC, IS:13410 Grade S3
  • Box Thickness
  • 3.0 mm (load side), 2.0 mm (cover)
  • Heat Deflection Temp
  • 150°C minimum
  • Ingress Protection
  • IP-54
  • Incoming Circuit
  • MCCB 40A, 660V, 10kA breaking capacity
  • Outgoing
  • 6 Nos. MCCB 25A SP
  • Busbar
  • 100 Amp
  • Cable Entry
  • Ø30 mm holes with grommets
  • Earthing
  • 2 Nos. Earthing bolts
  • Colour
  • Off-white / Grey

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Certifications & Approvals

RMC is honored to hold prestigious certifications, including ISO 9001:2008, BIS, NABL accreditation, and IEC compliance, along with approvals from leading authorities such as Power Grid Corporation of India, NTPC, and various state electricity utilities.

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Mitigating Power Theft - The MultiMeter Box Solution

 

Problem:

  • Energy Smart meters in Mumbra near Kalyan were
    tampered with to steal power. This was cited by
    Torrent Power as one of the first instance of power
    theft via smart meter tampering. The solution came
    from the introduction to Multi Meter Boxes: These
    cabinets are designed to accommodate multiple
    energy meters (single or three-phase) with a single
    incoming connection. Each meter’s connection ends
    within the box, drastically reducing tampering
    potential. The locked metering chamber houses the
    meters, while outgoing wires connect to an accessible
    chamber for linemen.

 

Multi Meter Box Strategy:

  •  Relocation & Grouping: Position energy meters
    outside consumer premises, especially in areas not
    easily visible from main roads, and cluster them
    together. This setup discourages individual
    tampering.
  • Access Control: Design meters to be inaccessible to
    linemen, allowing only the outgoing connection box
    to be reached. This further reduces chances of
    tampering from inside.
  • Enhanced Security with Multi Meter Boxes: These
    boxes, designed to accommodate multiple energy
    meters (single or three-phase), ensure connections
    end within the box. A locked metering chamber
    safeguards the meters.
  • Shielded Wiring: Wires, both incoming and outgoing,
    are neatly organized and protected within the boxes.
    Cable tray covers are employed to ensure a neat,
    complication-free setup, making them invisible from
    the outside and reducing tampering potential. 

Safeguarding Distribution Transformer Centres in Jaipur

 

Challenge & Government Guidelines:

  •  Rising incidents of public electrocutions due to
    unguarded access to electrical distribution
    infrastructure in Jaipur.
  • Activities like using transformer corners as urinals
    introduced grounding issues, amplifying electrocution
    risks.
  • Central Electricity Authority (CEA) stipulates fencing
    around accessible transformers:
    1. Shield uninformed public and animals from
    electrocution dangers.
    2. Contain potential fires and mishaps within the
    transformer vicinity.
    3. Ward off street vendors and unaware individuals,
    ensuring their safety.
    4. Preserve the cleanliness and functionality of
    transformer areas for lineman safety and repair
    efficacy.

 

Solution & Implementations:

  • The shift to FRP fencing aims to not only safeguard
    the public but also ensure the durability and efficiency
    of the Distribution Transformer Centres.
  • Metal Fencing: Initially adopted across Rajasthan.
    While effective, they were frequently stolen due to
    resale value, posing financial and technical challenges
    for Discom.

FRP (Fibre Reinforced Plastic) Fencing Advantages:

  •  Theft-resistant due to zero resale value
  • Sturdy and equivalent to metal
  •  Minimal maintenance and cost-effective
  • Rust-proof

Reducing Electrical Loss in Maharashtra's High-Density Zones

Problem:

  • Energy meters were situated in deeply recessed, poorly lit areas,making access and reading challenging.
  • Rampant meter tampering incidents were reported. Even when detected, intimidation and threats prevented whistleblowing.
  • Regions like Kalyan, close to Mumbai, witnessed up to 53% power loss primarily due to illicit power theft.

Innovative Solution: 

Introduction of RMC’s Multi Meter Boxes: These units encapsulate 12 meters in a single structure, complicating consumer efforts to single out their individual meters.

  •  By eliminating easy access points, these boxes ensure protection against tampering attempts.

  • Strategically relocating these boxes to main roads achieves dual objectives: simplifying meter reading tasks and reducing tampering. Their public positioning acts as a deterrent, making tampering attempts risky and less likely.

RMC Switchgears Ltd is a Jaipur-based company manufacturing smart energy enclosures, panels, and electrical safety solutions.