DDZ285

Single-phase meter DDZ285

Single-phase meter (mME) – cost-efficient, MID class A

The DDZ285 is a modern metering device (mME) for single-phase alternating current with direct connection up to 60 A. It measures active energy in accuracy class A according to EN 50470 and, depending on type, is designed for consumption, feed-in or bidirectional metering (+A / −A).

The optical D0 interface (INFO) outputs the data via SML. An optional RS485 interface (BAB) is available for connection to a smart meter gateway (SMGw). The meter complies with MID 2014/32/EU and is designed for three-point mounting according to DIN 43857-2.

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Placed on the EU market by: Holley Technologie GmbH, Parking 13, 14669 Ketzin/Havel, Germany

We sell exclusively to businesses (entrepreneurs within the meaning of Section 14 of the German Civil Code, BGB), legal entities under public law and special funds under public law. No sales to consumers.

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Technical features

Features

  • Modern metering device (mME) for single-phase alternating current, direct connection up to 60 A
  • Active energy in accuracy class A (EN 50470-1/-3)
  • Depending on type: consumption, feed-in or bidirectional (+A / −A), single or dual tariff
  • Optical D0/INFO interface (SML 1.04, 1 s push)
  • Optional RS485 (BAB) for SMGw connection – or RS232
  • Upgrade to an intelligent metering system (iMSys) via BAB adapter
  • Three-point mounting according to DIN 43857-2, PIN protection

Technical data

Connection type
single-phase two-wire, direct connection
Rated voltage
230 V (161–276 V), 50 Hz
Current
0.25–5 (60) A
Accuracy
Class A (EN 50470-1/-3), class 2 (IEC 62053-21)
Measured quantity / energy direction
active energy +A / −A (depending on type)
Tariffs
single or dual tariff (depending on type)
LED pulse output
1,000 or 10,000 imp/kWh
INFO (D0)
optical according to IEC 62056-21, SML 1.04, 1 s push
BAB (optional)
RS485, 9600 Bd, 8N1, SML 1.04 – or RS232
Registers (OBIS)
1.8.0 · 1.8.1 / 1.8.2 · 2.8.0 (with feed-in)
Display
two-line LC display, PIN protection
Mounting
three-point mounting according to DIN 43857-2
Degree of protection / protection class
IP51 · II (double insulation)
Housing
cover PC, base PC + GF
Dimensions / weight
239 × 130 × 49.3 mm · approx. 620 g
Temperature range
−25 °C to +55 °C
Service life
20 years
Conformity
CE · MID 2014/32/EU · EMC 2014/30/EU

Documents

  • Datasheet DDZ285 (German) PDF · as of 06/2026 Open

Tender text

Short text for use in bills of quantities.

DDZ285 – single-phase meter as a modern metering device (mME) for direct connection up to 60 A, 230 V, 50 Hz. Measurement of active energy in accuracy class A according to EN 50470-1/-3, depending on type for consumption, feed-in or bidirectional (+A / −A), single or dual tariff. Optical D0/INFO interface according to IEC 62056-21 (SML 1.04, 1 s push); optional RS485 interface (BAB, 9600 Bd) for connection to a smart meter gateway, alternatively RS232. Two-line LC display, PIN protection. Three-point mounting according to DIN 43857-2, polycarbonate housing, degree of protection IP51, protection class II, dimensions 239 × 130 × 49.3 mm, operation −25 °C to +55 °C. Marking CE, MID 2014/32/EU (module B + D, notified body 0598), EMC 2014/30/EU. Make: DIINNO GmbH or equivalent.

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