Catalogs > Industrial Controls Catalog > Motor Control, IEC > Overload Relays > Modular Protection System
Modular Protection System
| Introduction |  |
Standards Compliance and Certifications | |
Product Overview | |
Product Selection | |
Accessories | |
Specifications | |
Approximate Dimensions | |
Electrical Ratings
| Main Circuits | |||||||
| Rated Operating Voltage Ue | 825-MCM2 825-MCM5 |
825-MCM20 | 825-MCM180 825-MCM420 825-MCM630N |
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| IEC CSA/UL |
400V AC 240V AC |
690V AC 600V AC |
1000V AC 600V AC |
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| Rated Impulse Strength Uimp | 2.5 kV | 6 kV | 8 kV | ||||
| Operating Current Range (A) | 825-MCM2 | 825-MCM5 | 825-MCM20 | 825-MCM180 | 825-MCM420 | 825-MCM630N | |
| 0.5…2.5 | 1…5 | 2.5…20 | 20…180 | 160…420 | 160…630 | ||
| Rated Continuous Thermal Current (A) | 3 | 6 | 24 | 216 | 504 | 756 | |
| Rated Saturation Current (A) | 30 | 60 | 240 | 1350 | 3400 | 4600 | |
| Rated Frequency | 50/60 Hz ±3 Hz | ||||||
| Voltage Input Option Card | |||||||
| Rated Operating Voltage Ue | 250V AC Max | ||||||
| Operating Range | 0.8…1.1 Ue | ||||||
| Rated Continuous Voltage | 300V AC | ||||||
| Rated Insulation Voltage Ui | 300V AC | ||||||
| Rated Impulse Strength Uimp | 4kV | ||||||
| Rated Frequency | 50/60 Hz ±5 Hz | ||||||
| Control Circuits | |||||||
| Supply | |||||||
| Rated Supply Voltage Us | 110…240V AC, 110…250V DC | 24…48V DC | |||||
| Operating Range | 0.8…1.1 Ue | 0.8…1.1 Ue | |||||
| Rated Frequency (V AC) | 50/60 Hz ±5 Hz | — | |||||
| Max. Power Consumption | 40VA (AC) / 15W (DC) | 15 W | |||||
| Output Relays | |||||||
| Type of Contacts | Trip | Form C SPDT | |||||
| Aux1…Aux6 | Form A SPST — N.O. | ||||||
| Rated Insulation Voltage Ui |
300V AC | ||||||
| Rated Operating Voltage Ue | 240V AC | ||||||
| Rated Impulse Strength Uimp | 4kV | ||||||
| Rated Thermal Current Ithe | 5 A | ||||||
| Rated Operating Current Ie | 120V AC | 3 A | |||||
| 240V AC | 1.5 A | ||||||
| Contact Rating Designation | B300 | ||||||
| Utilization Category | AC15 | ||||||
| Contact Reliability | 5 mA @ 17V | ||||||
| Inputs | |||||||
| Rated Operating Voltage Ue | IN1 and IN2 | IN3, IN4, and IN5 | |||||
| 24V AC/DC | 120V AC/DC (825-PIOD), 24V AC/DC (825-PIOR) | ||||||
| Operating Range | 0.8…1.1 Ue | ||||||
| Rated Insulation Voltage Ui | 300V AC | ||||||
| Rated Impulse Strength Uimp | 4kV | ||||||
| Rated Frequency (V AC) | 50/60 Hz ±5 Hz | ||||||
| On-State Voltage | 15V | 79V | |||||
| On-State Current (turn-on) | 2 mA | 2 mA | |||||
| Steady-State Current | 15 mA | 15 mA | |||||
| Off-State Voltage | 5V | 20V | |||||
| Off-State Current | 0.5 mA | 1 mA | |||||
| Transition Voltage | 5…15V | 20…79V | |||||
| PTC Thermistor Input | |||||||
| Type of Control Unit | Mark A | ||||||
| Max. No. of Sensors in Series | 6 | ||||||
| Max. Cold Resistance of PTC Sensor Chain | 1500 W | ||||||
| Trip Resistance | 3400 W ± 150 W | ||||||
| Reset Resistance | 1500…1650 W | ||||||
| Short-Circuit Trip Resistance | 25 W ± 10 W | ||||||
Specifications, Continued
Mechanical Ratings
| Environmental | ||
| Ambient Temperature | Storage | -40…+85 °C (-40…+185 °F) |
| Operation (open) | -20…+60 °C (-4…+140 °F) | |
| Humidity (Operating) | 5…95%, non-condensing | |
| Max. Altitude | 2000 m | |
| Vibration (Per IEC 68-2-6) | 3 G | |
| Shock (per IEC 68-2-27) | 30 G | |
| Control Terminals | ||
| Terminal Screw | M3 | |
| Cross Section (1 wire, stranded/solid) | 0.14…2.5 mm2 (#20…12 AWG) | |
| Terminal Screw Torque | 0.79 N•m (7 lb-in) | |
Electromagnetic Compatibility
| Electrostatic Discharge Immunity | Test Level | 8 kV Air Discharge, 6 kV Contact Discharge |
| Performance Criteria | 1 ‡ T | |
| RF Immunity | Test Level | 10V/m |
| Performance Criteria | 1 ‡ T | |
| Electrical Fast Transient/Burst immunity | Test Level | 4 kV (Power), 2 kV (Control and Comms) |
| Performance Criteria | 1 ‡ T | |
| Surge Immunity | Test Level | 2 kV L-E, 1 kV L-L |
| Performance Criteria | 1 ‡ T | |
| Radiated Emissions | Class A | |
| Conducted Emissions | Class A | |
| ‡ Performance Criteria 1 requires the DUT to experience no degradation or loss of performance. | ||
| T Environment 2. | ||
Specifications, Continued
RTD Scanner Module
| Supply | ||
| Rated Supply Voltage Us | 110/240V AC | |
| Operating Range | 0.80…1.2 Us | |
| Rated Frequency | 50/60 Hz ± 5 Hz | |
| Max. Power Consumption | 5VA | |
| Rated Insulation Voltage Ui | 300V AC | |
| Rated Impulse Strength Uimp | 4 kV | |
| Pollution Degree | 2 | |
| Environmental | ||
| Ambient Temperature | Storage | -40…+85 °C (-40…+185 °F) |
| Operation (open) | -20…+60 °C (-4…+140 °F) | |
| Humidity (Operating) | 5…95%, Non-condensing | |
| Max. Altitude | 2000 m | |
| Vibration (per IEC 68-2-6) | 3 G | |
| Shock (per IEC 68-2-27) | 30 G | |
| Inputs | ||
| No. of Input Channels | 12 | |
| Type | 3-wire | |
| Compatibility | CU10, NI100, NI120, PT100 (per IEC 60751: 1983) | |
| Range | -50…+250 °C | |
| Accuracy | ± 2 °C | |
| Open Circuit Detection | >250 °C | |
| Short-Circuit Detection | < -50 °C | |
| Control Terminals | ||
| Terminal Screw | M3 | |
| Cross Section (1 wire, stranded/solid) | 0.25…2.5 mm2 (#24…12 AWG) | |
| Torque | 0.4…0.6 N•m (3.5…5.3 lb•in.) | |
| Degree of Protection | IP20 | |
Trip Curves
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Wiring Schematic¬
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¬ Open Delta Voltage Connection