| 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 |
0.4-8 A |
|
(maximum with CT) 800 A |
| Minimum current |
0.4 A |
| Maximum current |
8 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 |
