701 Motor Protection Relay Date Code 20010719
Introduction & Specifications
Specifications
1.12
Over-/Undervoltage Elements
Setting Range: 1–300 Vac
Two Phase Overvoltage Elements
Two Phase Undervoltage Elements
One Residual Overvoltage Element
Power Factor Element
Alarm and Trip Levels
Setting Range: 0.05–0.99 pf
Time Delays: 0.00–400.00 s
Measuring Error: <
±1.5%
Reactive Power Element
Alarm and Trip Levels
Setting Range: 30–2000 VAR, 5 A tap
6–400 VAR, 1 A tap
Time Delays: 0.00–400.00 s
Measuring Error: <
±2%
Underpower Element
Alarm and Trip Levels
Setting Range: 30–2000 W, 5 A tap
6–400 W, 1 A tap
Time Delays: 0.00–400.00 s
Measuring Error: <
±2%
Over/Underfrequency Elements
Three Settable Levels
Setting Range: 20.00–70.00 Hz
Time Delays: 0.00–400.00 s
Error:
±0.01 Hz
Optional Internal RTD Inputs
11 Internal RTD Inputs
Monitor Winding, Bearing, Ambient, or Other
Temperatures
PT100, Ni100, Ni120, and Cu10 RTD-Types
Supported, Field Selectable
Trip and Alarm Temperatures
Setting Range: 0°–250°C
Error: <
±2°C
Open and Short Circuit Detection
Trip Voting
Thermal Model Biasing
Motor Cooling Time Learning
Optional External RTD Module
12 Remote RTD Inputs
Trip, Alarm, and Thermal Features
as with Internal RTDs
Up to 500 m Away Using Fiber-Optic Cable
Adds Remote Speed Switch Input
Reporting Functions
Event Summaries/Event Reports
14 Latest Summaries and
15-Cycle Oscillographic Records
Resolution: 4 or 16 samples/cycle
Load Profile Function
Stores up to 17 quantities every 15 minutes for 48
days (without voltage option) or 34 days (with
voltage option).
Sequential Events Records
512 Latest Time-Tagged Events
Motor Start Reports
5 Latest Starts
Report Length: 3600 cycles
Quantities stored every 5 cycles during and
immediately after each start.
Motor Start Trend
Stores 30-day averages of starting data for each
of the past eighteen 30-day periods.
Ratings, Type Tests, & Certifications
Operating Temperature Range
–40°C to +85°C
–40
°F to +185°F
Power Supply Voltage Range
20–250 ±20% Vdc
95–240 ±10% Vac 50/60 Hz
<15 VA Total Burden
Hold-Up Time: 50 ms @125 Vdc
150 ms @ 120 Vac
Type Tests
Front Panel: NEMA12/IP54
Dielectric: IEC 255-5: 1977
IEEE C37.90: 1989,
2500 Vac on analogs,
contact inputs, and
contact outputs;
3100 Vdc on power
supply, 2200 Vdc
on EIA-485 commu-
nications port
Environmental: IEC 68-2-1 : 1990
IEC 68-2-2 : 1974
Damp Heat Cycle: IEC 68-2-30 : 1980
Impulse: IEC 255-5 : 1977,
5 kV 0.5 J
Electrostatic EN 61000-4-2: 1995,
Discharge: Level 4
IEC 255-22-2 : 1996,
Level 4
Radio Frequency IEC 801-3 : 1984
Immunity: IEC 255-22-3 : 1989
ENV 50140: 1994
IEEE C37.90.2: 1987,
10 V/m
Fast Transient Burst: EN 61000-4-4: 1995,
Level 4
IEC 255-22-4 : 1992,
Level 4
1 MHz Burst: IEC 255-22-1 : 1988
Surge Withstand: IEEE C37.90.1 : 1989
Magnetic Field EN 61000-4-8 : 1993,
Immunity: Level 5
Vibration: IEC 255-21-1 : 1988
Endurance: Class 1
Response: Class 2
Shock and Bump: IEC 255-21-2 : 1988
Bump: Class 1
Shock Withstand: Class 1
Shock Response: Class 2
Seismic: IEC 255-21-3 : 1993,
Level 2
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