D54 Series 2 NCM and WC metering
Basic Meters

D54 – Series 2

Two single-phase models on one Series 2 platform — NCM for phase and neutral current insight, WC for straightforward whole-current residential billing.

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Product Overview

NCM & WC on one Series 2 platform

Lithium battery, LED backlight, IP54 enclosure, and BS5685 terminals — choose NCM when you need neutral-current measurement for revenue protection, or WC for standard whole-current billing.

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IP54 Protection class
20(80)A Current rating
BS5685 Terminal layout
NCM / WC Choose by function
D54-Series 2 single-phase NCM and WC meters
Model Selection

Which model do I need?

Both are Series 2 direct-connected residential meters. The difference is what they measure and what that enables for utilities and installers.

NCM vs WC

Choose NCM when you need…

  • Phase and neutral current measurement
  • Stronger detection of wiring issues, neutral irregularities and tamper patterns
  • Revenue-protection oriented residential metering

Choose WC when you need…

  • Standard whole-current (phase) metering without NCM specialization
  • Straightforward residential billing at simpler service points
  • The same Series 2 platform features without neutral-current focus
Compare NCM WC
Measurement Phase + neutral current Whole-current (phase)
Best for Revenue protection / anti-tamper residential use Standard residential billing
Key advantage Neutral-related irregularities and wiring/tamper insight Simple, direct whole-current metering
Tamper / neutral detection Enhanced via neutral current measurement Platform anti-tampering; no NCM specialization
Typical install Homes where utilities prioritize loss & tamper visibility Simpler residential service points
Series 2 Models

NCM and WC meter options

Same platform, different measurement focus — pick the model that matches your deployment requirements.

NCM Model

Neutral Current
D54-Series 2 Single Phase NCM Meter

Neutral Current Measurement — measures phase and neutral current so utilities can spot wiring issues, tamper patterns and neutral-related irregularities more effectively than phase-only metering.

  • Phase + neutral current measurement
  • Revenue-protection / anti-tamper oriented residential metering
  • Supports detection of wiring and neutral irregularities
  • BS5685 terminals, lithium battery, LED backlight
  • IP54 enclosure; Series 2 shared electrical platform
MeasurementPhase + neutral (NCM)
Voltage220 / 230 / 240 V
Current20(80)A, 10(100)A
ProtectionIP54 / IEC 60529
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WC Model

Whole Current
D54-Series 2 Single Phase WC Meter

Whole Current — direct-connected whole-current metering for standard residential billing. Same Series 2 platform as NCM, without the neutral-current measurement specialization.

  • Standard phase / whole-current measurement
  • Straightforward residential billing at simpler service points
  • Shared Series 2 platform: anti-tampering, lithium battery, LED backlight
  • BS5685 terminals for residential installation
  • IP54 enclosure; choose when NCM specialization is not required
MeasurementWhole current (WC)
PlatformShared Series 2 ratings
Best forStandard residential billing
ProtectionIP54 / IEC 60529
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Shared Platform

Shared Series 2 specification

Common platform ratings for NCM and WC. Electrical values align with D54 single-phase data in Company Profile 2024. Models differ by measurement function, not by inventing separate unverified WC-only ratings.

D54 – Series 2
StandardIEC 62052-11
Active energyIEC 62053-21
DependabilityIEC 62059-41
Terminal layoutBS5685
Protection classIP54 / IEC 60529
Impulse1000 imp/kWh
Voltage220V, 230V, 240V
Current20(80)A, 10(100)A
Frequency50Hz
Temperature−25°C ~ +80°C
BatteryLithium battery
ModelsNCM · WC
SecurityAnti-tampering
DisplayLED backlight supported

Need help choosing NCM or WC?

Our team can advise on the right Series 2 model for your utility rollout, tender specification, or residential metering project.

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