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Product Overview
The DEIF TAP-210DG/3 is a DIN-rail-mounted watt transducer designed to measure active electrical power in AC systems and convert the measured value into a standardized analog output. DEIF classifies the TAP-210DG family as a watt transducer, while the /3 configuration is intended for three-phase measurement arrangements. Depending on the ordered configuration, it can be used with voltage transformers and current transformers to measure high-voltage or high-current electrical systems.
The device uses RMS measurement based on DEIF’s Time-Division-Multiplication principle and supports configurable current or voltage outputs, including 4–20 mA, 0–10 V, and bipolar ranges. Published specifications indicate Class 0.5 accuracy, 45–65 Hz standard frequency operation, and galvanic isolation appropriate for industrial measurement applications.
Technical Specifications — TAP-210DG/3
| Parameter | Value |
|---|---|
| Product Model | TAP-210DG/3 |
| Manufacturer | DEIF |
| Product Type | Watt / Active Power Transducer |
| Measurement System | Three-phase AC, configuration dependent |
| Measuring Voltage | 57.7–440 V AC ±20%, depending on configuration |
| Measuring Current | 0.5–10 A AC nominal |
| Frequency | 45–65 Hz |
| Measurement Range | 0–Pnom or -Pnom to 0 to +Pnom |
| Output Signals | 0–1/5/10/20 mA; 4–20 mA; 0–1/10 V; bipolar ranges |
| Accuracy | Class 0.5 |
| Response Time | <150 ms |
| Operating Temperature | -25 to +70 °C |
| Storage Temperature | -40 to +70 °C |
| Auxiliary Supply | Configuration dependent, AC supply |
| Mounting | DIN rail |
| Protection | Case IP52; terminals IP20 |
| Weight | Up to approximately 0.5 kg |
| Standards | IEC 688; CE marked |
Exact electrical ranges are order-code dependent. The manufacturer’s documentation should therefore be used to verify the individual unit’s measuring voltage, CT ratio, auxiliary supply, and output configuration.
DEIF TAP-210DG/3
Key Features and Benefits — TAP-210DG/3
- Measures active power in AC electrical systems.
- Suitable for three-phase measurement configurations.
- Accepts signals from external voltage and current transformers.
- Provides selectable analog output formats for PLC, DCS, meter, or controller interfaces.
- Class 0.5 measurement accuracy.
- DIN-rail mounting for switchboard and control-panel installation.
- Adjustable output and response-delay functions are available on applicable configurations.
- Designed for continuous electrical power monitoring in generator, switchboard, and industrial power systems.
Related Models
TAP-210DG: DEIF watt transducer family for active-power measurement. The product has been phased out and DEIF currently recommends contacting the company for an application-specific replacement solution.
TAQ-210DG/3: Related DEIF transducer for reactive-power measurement, using a similar 210DG platform and installation concept.
TAV-210DG: DEIF AC voltage transducer for single-function voltage measurement. It has also been phased out in the current DEIF product program.
TAS-331DG: Current DEIF AC transducer family for active or reactive power measurement and a potential modernization option for selected applications.
Installation and Maintenance — TAP-210DG/3
Before installation, verify the complete order configuration, particularly the CT ratio, voltage-transformer ratio, measuring range, output signal, auxiliary supply, and connection arrangement. These parameters are not necessarily identical between units carrying the same basic model designation.
Install the transducer horizontally on a DIN rail with adequate ventilation and spacing from adjacent equipment. DEIF recommends at least 10 mm separation, with 30 mm recommended when multiple transducers are installed together.
During commissioning, compare the analog output against a calibrated reference measurement and verify the expected response under both positive and negative power-flow conditions where a bipolar configuration is used.
Product Warranty — TAP-210DG/3
Warranty coverage depends on the supplier, product condition, and purchase agreement. For critical electrical measurement spares, confirm the exact DEIF order number, configuration label, calibration status, serial-number traceability, and warranty terms before procurement.
The DEIF TAP-210DG/3 is a legacy active-power transducer whose exact configuration matters significantly. Personally, I would verify the nameplate and original order specification before replacing it; two visually identical units can have different CT ratios, output ranges, and auxiliary-supply requirements.
