Combined Overcurrent & Earth Fault Relay

www.itmikro.com

MK 2200L
Features
•• Multifunction numerical relay
•• Three-phase, three stages setting for phase
overcurrent
•• Two stages setting for earth fault
•• IDMT and definite time
•• Thermal overload protection
•• Two groups of protection settings
•• Trip circuit supervision
•• Circuit breaker failure protection
•• RS232 and RS485 MODBUS-RTU communication
•• Fault, alarm and tripping records with timestamp
•• Multifunction programmable outputs
•• Multifunction digital inputs
•• Complies with IEC 60255 standard
•• ANSI code : 49RMS, 50P, 50G, 51P, 51G,
CLP, 50BF, 74TC

Technical Data
AUXILIARY SUPPLY RECORDS THERMAL OVERLOAD
Model MK2200L-150D Fault Record : Up to 50 records Iθ > : 0.1 to 3 x In *(Variable Steps)
Rated voltage : 30 ~ 120 V DC Event Record : Up to 250 records Tθ : 1 to 200 minutes (Step 1)
Operating voltage : 24 ~ 150 V DC Alarm Record : Up to 30 records k : 1 to 1.5 (Step 0.01)
θ Trip : 50 to 200% (Step 1%)
Model MK2200L-240AD θ Alarm : 50 to 200% (Step 1%)
Rated voltage : 100 ~ 240 V AC or SETTING RANGES
140 ~ 340 V DC * Variable Steps: 0.1-1.00: Step 0.01;
Operating voltage : 85 ~ 265 V AC or GENERAL 1.00-20: Step 0.1; >20: Step 1
110 ~ 370 V DC Line CT primary : 1 to 10,000 A
Rated frequency : 50 or 60 Hz Earth CT primary : 1 to 10,000 A MEASUREMENT RANGES
Operating frequency : 45 ~ 65 Hz Frequency : 50 or 60 Hz Phase Current Secondary:
Power consumption : 8 VA max 5 A input : 0 to 200 A
1 A input : 0 to 40 A
CURRENT INPUTS PHASE OVERCURRENT
Rated current, In, Ion: 1 or 5 A by connection I> : 0.1 to 25 x In (Recommended up to Earth Current Secondary:
Frequency : 50 or 60 Hz nominal 2 x In for IDMT delay) 5 A input : 0 to 50 A
Burden : < 0.025 VA (1 A) *(Variable Steps) 1 A input : 0 to 10 A
: < 0.3 VA (5 A) I> Delay type : IDMT or definite time
Thermal withstand : 4 x In continuous tI> : 0 to 100 s *(Variable Steps) ENVIRONMENTAL CONDITIONS
: 40 x In for 2s I> IDMT curve : NI, VI, EI, LTI, NI 1.3/10 Temperature : -10°C to 55°C
: 100 x In for 1s ktI : 0.01 to 1.00 (Step 0.01) Humidity : 5% to 95%,
I>> : 0.5 to 40 x In *(Variable Steps) non-condensing
DIGITAL INPUTS tI>> : 0 to 100 s *(Variable Steps)
Input type : Optically isolated I>>> : 0.5 to 40 x In *(Variable Steps) MECHANICAL
Rated voltage : 20 ~ 380 V DC I>>> Sample : Yes or No Mounting : Panel mounting
: 50 ~ 270 V AC tI>>> : 0 to 100 s *(Variable Steps) Dimension (mm) : 142(w) x 165(h) x 198(d)
MK 2200L

Enclosure protection : IP54 at the panel

OUTPUT CONTACTS Approximate weight : 2.2 kg
Trip Contact Relay R1, R2, R3, R4, IRF Relay EARTH FAULT
Rated voltage : 250 V AC / DC Io> : 0.02 to 2 x Ion (Recommended up ACCURACY
Continuous carry : 5 A to 0.5 x Ion for IDMT delay) Current accuracy : ± 3% of the set value
Expected electrical life : 100,000 operations at Io> Delay type : IDMT or definite time or 20mA secondary
rated load tIo> : 0 to 100 s *(Variable Steps) Timing accuracy : ± 5% or ± 30ms
Expected mechanical life : 5 x 106 operations Io> IDMT curve : NI, VI, EI, LTI, NI 1.3/10
ktIo : 0.01 to 1.00 (Step 0.01) COMMUNICATION
Io>> : 0.1 to 10 x Ion *(Variable Steps) RS232 (front) : MODBUS-RTU
tIo>> : 0 to 100 s *(Variable Steps) RS485 (back) : MODBUS-RTU
Combined Overcurrent & Earth Fault Relay

www.itmikro.com

Normal Inverse Very Inverse Long Time Inverse Extremely Inverse

Typical Application Diagram 1 Case Dimensions

142 mm
198 mm
34 mm

165 mm

136 mm
Front Side

129 ±1 mm
139 ±1 mm

Panel Cutout

Typical Application Diagram 2 Ordering Information

MODEL DESCRIPTION
MK2200L - 150D For 50/60 Hz,
auxiliary voltage 24 ~ 150 V DC
MK2200L - 240AD For 50/60 Hz,
auxiliary voltage 85 ~ 265 V A
or 110 ~ 370 V DC
MK 2200L