Range name | TeSys |
Sub-range name | LTMR (TeSys T) |
Rated Voltage (AC) - Phase-to-phase | (50-60Hz) 690 V |
Supply voltage | (DC) 24 V |
Rated current | 5-100 A |
Minimum current | 5 A |
Maximum current | 100 A |
Poles | 3 Pole(s) |
Compliant with standard(s) | EN 60947-4-1 |
| IACS E10 |
| IEC 60947-4-1 |
| UL 508 |
| CSA C22.2 No 14 |
Analog inputs quantity | (Temperature sensor probe) 1 |
| (Ground fault measurement CT) 1 |
Digital inputs quantity | 6 |
Digital outputs quantity | 1 x NC contact |
| 4 x NO contacts |
Connection type | 3 measurement current transformers |
| (control circuit) Screw-clamp |
Technology used in component | Electronic (Programmable) |
Protection function | Thermal overload (1 alarm; 1 trip) thermal protection of motor by monitoring current consumption |
Motor temperature | (1 alarm; 1 trip) thermal monitoring of the motor using temperature probes (winding; paper...). Up to 3 sensors in series. |
Phase imbalance | (1 alarm; 1 trip) monitors the symmetry of currents. To be used for imbalance < 80 % of the average current. |
Phase failure | (1 alarm; 1 trip) monitors the symmetry of currents. To be used for imbalance < 80 % of the average current. |
Phase reversal | (1 alarm; 1 trip) signals when the phase sequence is different from the defied sequence (motor running). |
Long starting time | (1 alarm; 1 trip) monitors the motor starting time. |
Locked rotor | (1 alarm; 1 trip) locking detected by a sudden increase in current after the start phase. |
Minimum current load limit variation | (1 alarm; 1 trip) monitors motor load through variations of current around preset thresholds. |
Maximum current load limit variation | (1 alarm; 1 trip) monitors motor load through variations of current around preset thresholds. |
Earth fault | (1 alarm; 1 trip) signals internal insulation faults by vectorial summing of external currents via earth fault toroid. |
Frequent starting | (inhibits start) Protects the motor against overheating due to frequent starting. |
Measurement function | (Measurement) Current/Phase 0.08-1000A |
| (Measurement) earth current 0.1633 x CT ratio |
| (Measurement) Average current 0.08-1000A |
| (Measurement) Current imbalance between phases 0-200% |
| (Measurement) Thermal capacity level 0-200% |
| (Measurement) Motor temperature rise 0-6500 Ohm |
Protection settings | (Thermal overload) Class 5; 10; 15; 20; 25;30 |
| (Thermal overload) Inverse thermal definite time |
| (Motor temperature) PTC binary |
| (Motor temperature) BTC/NTC analogue 20-6500 Ohm |
| (Phase imbalance) 10-70% I average 0.2-20s |
| (Phase failure) 0.1-30s |
| (Phase reversal) A-B-C |
| (Phase reversal) A-C-B |
| (Long starting time) 100-800% of FLC - 1-200s |
| (Locked rotor) 100-800% of FLC - 1-30s |
| (Minimum current load limit variations) 30-100% of FLC - 1-200s |
| (Maximum current load limit variations) 20-800 of FLC - 1-250s |
| (Earth fault) internal 50-500% min FLC - 0.5-25s |
| (Earth fault) external 0.02-10A - 0.1-25s |
| (Frequent starting) 0-999.9s |
Communication protocol | Profibus |
Functions | (Control modes) Local via terminal block; Local via HMI terminal; Remote via network |
| (Operating modes) Overload; Independent; Reverser; 2-step; 2-speed; "Custom" mode |
| (Fault management) Manual reset; Automatic reset; Remote reset |
| (Fault statistics) Protection fault counters |
| (Fault statistics) Protection alarm counters |
| (Fault statistics) Diagnostic fault counters |
| (Fault statistics) Motor control function counters |
| (Fault statistics) Motor control function counters |
| (Fault statistics) Fault history |
| (Fault diagnostics) Internal watchdog fault |
| (Fault diagnostics) Controller internal temperature |
| (Fault diagnostics) Temperature sensor connection |
| (Fault diagnostics) Current connection |
| (Fault diagnostics) Voltage connection |
| (Fault diagnostics) Motor control commands (start; stop; run check back and stock check back) |
| (Fault diagnostics) Control configuration checksum |
| (Fault diagnostics) Loss of communication |
| (Motor statistics) Number of motor control commands (O.1/O.2 starts) |
| (Motor statistics) Operating time |
| (Motor statistics) Number of starts/hour |
| (Motor statistics) Last start I max. |
| (Motor statistics) Duration of last start |
| (Thermal overload statistics) Time to trip |
| (Thermal overload statistics) Time to restart |
| (System operating statistics) Run; On; Start; alarm; fault |
Primary brand | Schneider Electric |
Secondary brand | Telemecanique |