Description
DEIF AS
TYPE: TAS-331DG
AC TRANSDUCER
ORDER NO: 100177759.10
COUPLING: 1W3
RANGE: 0…3000KW
RATIO VT: /440V(L-L)
RATIO CT: 6000A/5A
INPUT: 0…2500W
OUTPUT: 4…20MA
LIMIT: -24…24MA
LOAD: < 500 OHM
SUPPLY~: 440V AC
PROTECTION: HOUSING: IP40. TERMINALS: IP20
600V CAT III.
The DEIF TAS-331DG is a single-phase wattmeter-type AC transducer designed to measure and convert three-phase active power signals into a standardised 4–20mA analogue output. Operating across a measurement range of 0 to 3000kW with a 440V AC supply, it interfaces with voltage transformers at 440V (L-L) and current transformers rated 6000A/5A, making it well suited to high-power distribution monitoring aboard commercial vessels. As part of a marine control system, this transducer plays a critical role in real-time power management, load sharing, and generator protection — enabling accurate data transmission to automation panels, PLCs, and power management systems.
Key Features
✓ Converts three-phase active power to a 4–20mA analogue output signal, with an extended limit range of -24 to 24mA, supporting precise integration into marine power management and automation systems.
✓ Rated for 440V AC supply with VT ratio /440V (L-L) and CT ratio 6000A/5A; measurement range 0–3000kW with a 0–2500W input window and maximum load of <500 Ohm — all as specified on the original nameplate.
✓ Enclosure protection rated IP40 for the housing and IP20 for terminals, suitable for installation in protected electrical panels and control cabinets in the engine room or switchboard room; 600V CAT III rated for industrial electrical environments.
✓ Compatible with DEIF power management and control architectures; subject to confirmation regarding integration with specific panel models, third-party controllers, or automation system versions.
✓ Designed as a direct replacement or retrofit component in existing DEIF-based marine automation setups; compatibility with specific system configurations should be verified against nameplate data and wiring drawings prior to installation.
Marine Applications
✓ Main switchboard and generator control panels aboard cargo vessels, tankers, and offshore support vessels where active power monitoring is required.
✓ Power management systems (PMS) on vessels with multiple generating sets, supporting load sharing and overload protection functions.
✓ Engine control rooms on bulk carriers, container ships, and RoRo vessels requiring accurate transducer-based feedback to automation controllers.
✓ Offshore platforms and drillships where high-accuracy power measurement feeds into integrated automation and safety systems.
✓ Retrofit and upgrade projects on vessels modernising legacy DEIF control infrastructure to maintain compliance with current operational and class requirements.
Why Marine Engineers Choose
The DEIF TAS-331DG is a trusted transducer within marine power management applications, valued for its well-defined analogue output, wide measurement range, and robust compatibility with DEIF control architectures. Its standardised signal format simplifies integration and commissioning across a broad range of vessel automation systems.
Ideal For
Cargo ships, tankers, bulk carriers, container vessels, offshore support vessels, drillships, ferries, and any commercial or industrial marine application requiring reliable three-phase active power measurement within a DEIF-based marine control system.
Technical Support & Compliance
Technical assistance is available to support remote troubleshooting, onboard diagnostics, installation guidance, testing, commissioning, and system integration for this transducer. Retrofit and upgrade support can be provided subject to confirmation of system configuration and vessel requirements. To confirm compatibility and ensure correct supply, buyers are encouraged to share nameplate photographs, the original part number or order number, wiring diagrams or panel drawings, the specific DEIF system model and software version where applicable, and vessel name or IMO number if relevant. All compatibility assessments are subject to confirmation based on the documentation provided.
