Sagemcom 252720938AB – Precise control, stable communication, efficient operation guarantee!

The SAGEMCOM 252720938AB is a high-precision DIN-rail energy metering module designed for industrial and commercial power monitoring applications. Engineered by Sagemcom’s energy division, this device enables real-time measurement of electrical parameters in three-phase systems with MID (Measuring Instruments Directive) certification for billing-grade accuracy. The SAGEMCOM 252720938AB supports direct or transformer-connected installations (up to 690V AC) and features dual communication interfaces – including M-Bus and pulse output – for seamless integration with building management systems and SCADA platforms. Its compact form factor incorporates anti-tamper detection and event logging capabilities, making the SAGEMCOM 252720938AB ideal for submetering in manufacturing facilities, data centers, and commercial complexes where energy accountability is critical. The module’s “AB” suffix denotes enhanced surge protection (6kV) and extended operating temperature range for harsh electrical environments.

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Description

The SAGEMCOM 252720938AB is a high-precision DIN-rail energy metering module designed for industrial and commercial power monitoring applications. Engineered by Sagemcom’s energy division, this device enables real-time measurement of electrical parameters in three-phase systems with MID (Measuring Instruments Directive) certification for billing-grade accuracy. The SAGEMCOM 252720938AB supports direct or transformer-connected installations (up to 690V AC) and features dual communication interfaces – including M-Bus and pulse output – for seamless integration with building management systems and SCADA platforms. Its compact form factor incorporates anti-tamper detection and event logging capabilities, making the SAGEMCOM 252720938AB ideal for submetering in manufacturing facilities, data centers, and commercial complexes where energy accountability is critical. The module’s “AB” suffix denotes enhanced surge protection (6kV) and extended operating temperature range for harsh electrical environments.

SAGEMCOM 252720938AB

SAGEMCOM 252720938AB

Technical Specifications

Parameter Name Parameter Value
Product Model 252720938AB
Manufacturer Sagemcom Energy & Telecom
Product Type DIN-Rail Energy Meter
Rated Voltage 3×230/400V AC (50/60 Hz)
Current Input 5(80)A direct / 1(6)A via CTs
Accuracy Class Class 1 (active energy per EN 50470-3)
Measured Parameters Active/Reactive/Apparent energy, Voltage, Current, Power Factor, Frequency
Communication M-Bus (EN 13757), S0 pulse output (1000 imp/kWh)
Surge Immunity 6kV (IEC 61000-4-5)
Operating Temperature -25°C to +70°C
Display LCD with backlight (4-digit values)
Data Logging 12 months load profile storage
Certifications MID MI-003, IEC 62053-21, RoHS
Dimensions (W×H×D) 72 × 90 × 65 mm
Installation DIN TS35 rail

Main Features and Advantages

Billing-Grade Measurement: Achieves Class 1 accuracy (±1%) across full current range (0.5% In to 80A), with independent calibration certification per MID standards. Measures all four quadrants of energy flow for comprehensive cost allocation.

Advanced Power Quality Monitoring: Detects voltage sags/swells (EN 50160 compliance), phase imbalance, and harmonic distortion up to 25th order. Event-triggered logging captures transient anomalies with 1-cycle resolution timestamps.

Robust Integration: M-Bus interface supports daisy-chaining of up to 250 meters on single twisted pair, reducing wiring costs. The SAGEMCOM 252720938AB generates configurable S0 pulses for PLC integration. Its tamper-proof design includes magnetic field detection and terminal cover seals.

Application Field

The SAGEMCOM 252720938AB enables precise energy cost allocation in industrial plants, monitoring individual production lines and HVAC loads. Data centers deploy it for PUE (Power Usage Effectiveness) calculation at rack-row level. Retail chains use it for tenant submetering in shopping malls, with MID certification enabling legally binding billing.

In solar installations, it measures feed-in tariffs and self-consumption ratios at inverter outputs. The SAGEMCOM 252720938AB also serves wastewater treatment plants for pump station energy audits, with IP40 rating suitable for control cabinet mounting.

Related Products

 

SAGEMCOM 252720939AC: MID-certified single-phase variant

 

SAGEMCOM 252720937AA: Modbus RTU communication version

 

SAGEMCOM 252721000: Current transformer set (1000:5A)

 

SAGEMCOM 252730500: M-Bus to Ethernet gateway

 

SAGEMCOM 252720950: DIN-rail mounting adapter kit

 

SAGEMCOM 252721100: Optical probe for configuration

SAGEMCOM 252720938AB

SAGEMCOM 252720938AB

Installation and Maintenance

Pre-installation preparation: Verify CT ratios and phase rotation before wiring. Configure pulse constants and M-Bus addresses via optical interface. Maintenance recommendations: Perform annual accuracy verification using reference meter. Clean optical port biannually. Check terminal torque (1.2 N·m) during preventive maintenance. Replace backup battery every 5 years for clock integrity.

 

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