DRTS 66 - Automatic relay test set

The DRTS 66 is the most powerful medium voltage electrical protection test equipment designed to test the entire protection system, from relays, current transformers and energy and wave quality meters. It incorporates all the advanced functions to satisfy the needs related to the commissioning and maintenance of the substation. 6 current and 6 voltage generators available simultaneously.

Model: DRTS 66

Producer: ISA

Country of origin: Italy

Relay testing set designed to perform accurate tests on protection relays, transducers and power quality meters (0.1 class)

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Key features

Testing all relay technologies: electromechanical, solid state, numerical and IEC61850
Manual control with color display
Simultaneously available: 6 Current and 6 Voltage plus 1 battery simulator outputs
High current outputs: 6 x 32 A, 3 x 64 A, 1 x 128 A
High power outputs: 6 x 430 VA, 3 x 860, 1 x 1000 VA
High accuracy outputs: better than 0.05%
IEC 61850 protocol interface
USB and Ethernet interface
Pen drive interface
Internal GPS and IRIG-B interface for end-to-end tests
Advanced testing and data management software TDMS
Complete library of relays from the major manufacturers
Highest quality, safety and reliability


DTRS 66 can test all the followin relays
Relay type
Distance relay
Synchronizing device
Under/over-voltage relay
Directional Power relay
Field relay
Reverse phase current relay
Phase sequence voltage relay
Incomplete sequence relay
48Instantaneous over-current relay
nverse time over-current relay
Power factor relay
Voltage balance relay
Ground detector relay
Directional over-current relay
Phase angle out of step relay
Automatic reclosing relay
Frequency relay
Pilot wire receiver relay
Lockout relay
Differential protection relay
Voltage directional relay
Power directional relay
Tripping relay
Interface Connections
Type of interfaces:
USB, Ethernet, IEC 61850, IRIG-B.
Characteristics of USB interface:
Transmission rate: 3x minimum
Interface cable: 2 meters, included
Characteristics of the ETHERNET interface:
Connector type: RJ-45
Interface cable: 2 meters, included
Characteristics of the IEC61850 interface (optional):
Connector type: RJ-45
Interface cable: 2 meters, included
Characteristics of the IRIG-B connection (optional):
Fiber optic connector, ST type.
Another features of the generator
Internal Memory
256 Mb internal memory suitable to store in the test set approximately 2.000 test results
Pen Drive Interface
It allows saving and recalling local test setting and results
Display - Keypad - Function Keys - Endecoder
One Encoder: digital rotary switch
One Keyboard: 12 keys
Five Function keys
Display: 256 colours, type LED, graphic 320 x 240 pixels; dimension 5.7 inches
Power Supply
Mains power supply: 85 to 264 V AC, sinusoidal, single phase
Frequency: 45 to 65 Hz
- stand-by: less than 150 W;
- maximum load, 115 V supply: 1600 W;
- maximum load, 230 V supply: 2700 W.
Connection: Standard 16 A AC socket.
Weight and Dimensions
Weight: 18 kg (39 lb)
Dimensions without the handle: 150 (h) x 466 (w) x 423 (d) mm (5.9 x 18.3 x 16.9’’)
Accessories Supplied with the Unit
Protective carrying bag
Set of test leads: 12 cables
Power supply cable
Ground connection cable
USB and Ethernet cables
Instruction and maintenance manuals
Applicable standards
Electromagnetic compatibility: Directive 2004/108/EC. Applicable Standard: EN61326:2006.
Low voltage: Directive 2006/95/EC (CE conform)
Applicable standard, for a class I instrument, pollution degree 2,
installation category II: CEI EN 61010-1
Operating temperature: 0 - 55°C
Storage: -25°C to 70°C
Relative humidity: 5 - 95%, without intermal condensation
Altitude: < 2000 m
Applicable also to external amplifiers AMI 332 and AMI 632

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