Schneider Electric LF4P08DA79A74
MPNLF4P08DA79A74
Obsolete
TeSys LF - enclosed DOL reversing starter - 2.5...4 A - HARTING - local/ASI
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Input type | Resistive |
| Control type | Key switch 2 positions for local/AS-Interface control - bus - local Rotary handle for protection control - OFF - Trip - ON Selector switch 3 positions for start/stop/start - 1 - 0 - 2 |
| Network type | AC |
| Protection type | Inductive overvoltage Phase failure Thermal protection Short-circuit protection (magnetic) |
| Product or component type | Enclosed DOL reversing starter |
| Contacts type and composition | 1 C/O |
| Coil voltage | 24 V AC 50/60 Hz |
| Voltage | 415 V AC 50/60 Hz conforming to IEC 60947 |
| [Ue] rated operational voltage | Power circuit: 415 V AC 50/60 Hz Output control relay: 250 V AC 50/60 Hz Output control relay: 30 V DC |
| [Uimp] rated impulse withstand voltage | 6 kV for power circuit conforming to IEC 60947-1 2.5 kV for 24 V conforming to IEC 60947-1 2.5 kV for sensor conforming to IEC 60947-1 2.5 kV for AS-Interface conforming to IEC 60947-1 |
| Breaking capacity | 100 kA at 230/240 V conforming to IEC 60947-2 100 kA at 400/415 V conforming to IEC 60947-2 |
| Current consumption | 20 mA for communication bus during operation 60 mA for communication bus sensor 0 mA at 24 V for supply circuit de-energisation 30 mA at 24 V for supply circuit maintained mode 110 mA at 24 V for supply circuit inrush 20 mA for output relay |
All specifications
| Parameter | Value |
|---|---|
| [Ithe] conventional enclosed thermal current | 5 A for output control relay at 40 °C |
| Motor power | 0.75 kW at 220/230 V AC 50/60 Hz 1.5 kW at 400/415 V AC 50/60 Hz |
| Network frequency | 50/60 Hz |
| I/O channels | 2 M12 |
| Utilisation category | AC-3 |
| IP degree of protection | IP54 conforming to IEC 60529 |
| AS-interface profile | 7DFF - standard |
| Connections - terminals | Power circuit: screw clamp terminals 1 x 1.5...2 x 4 mm² - rigid Power circuit: screw clamp terminals 1 x 1.5...2 x 4 mm² - flexible without cable end Power circuit: screw clamp terminals 1 x 1.5...2 x 2.5 mm² - flexible with cable end Output control relay: HARTING socket Supply circuit: HARTING socket |
| Response time | <= 15 ms opening for output control relay |
| Operating altitude | 2000 m |
| Depth | 175 mm |
| Width | 222 mm |
| Height | 183 mm |
| Material | Bottom: polycarbonate + 20 % FG - black Top: polycarbonate + 20 % FG - white: RAL 9001 |
| Electrical durability | Circuit breaker: 0.1 Mcycles Contactor: 0.8 Mcycles - AC-3 - 8.5 A Relay: 0.1 Mcycles - 24 V, operating rate Relay: 1 Mcycles - 24 V, operating rate Relay: 0.5 Mcycles - 24 V, operating rate Relay: 1 Mcycles - 24 V, operating rate Relay: 5 Mcycles - 24 V, operating rate Relay: 0.1 Mcycles - 24 V, operating rate Relay: 0.2 Mcycles - 24 V, operating rate Relay: 0.5 Mcycles - 24 V, operating rate Relay: 1 Mcycles - 24 V, operating rate <30 cyc/mn - DC-3 - 0.25 A |
| Mechanical durability | 0.1 Mcycles for circuit breaker 30 Mcycles for contactor |
| Standards | EN 60439-1 IEC 60204-1 IEC 60439-1 EN 60947-1 IEC 60947-1 EN 60204-1 |
| Range | TeSys |
| Insulation | 1500 V between output and ground 1500 V between output and internal logic between input and communication |
| Fire resistance | 960 °C conforming to IEC 60695-2-1 |
| Local signalling | Product status: 3 LEDs Input/output status: LED |
| Device short name | LF4P |
| Input description | Status D0: forward stop - bit value 0 Status D1: reverse stop - bit value 0 Status D2: disable relay - bit value 0 Status D3: unused - bit value 0 Status D0: forward start - bit value 1 Status D1: reverse start - bit value 1 Status D2: enable relay - bit value 1 Status D3: unused - bit value 1 |
| Tightening torque | Power circuit: 0.8 N.m - with screwdriver flat Ø 5.5 mm |
| Device application | AS interface |
| Device composition | Reversing contactor AS interface module Circuit-breaker |
| Output description | Command D0: not ready - bit value 0 Command D1: stopped - bit value 0 Command D2: sensor 1 missing - bit value 0 Command D3: sensor 2 missing - bit value 0 Command D0: ready - bit value 1 Command D1: started - bit value 1 Command D2: sensor 1 present - bit value 1 Command D3: sensor 2 present - bit value 1 |
| Nominal input value | 19...30 V 50 mA - DC |
| Protective treatment | TC |
| Sensor compatibility | 2 or 3-wire PNP |
| Insulation resistance | > 1000 mOhm for output and communication |
| Mechanical robustness | Shocks contactor open - 10 Gn conforming to IEC 60068-2-27 Shocks contactor closed - 15 gn conforming to IEC 60068-2-27 Vibrations contactor open - 2 GN conforming to IEC 60068-2-6 Vibrations contactor closed - 4 gn conforming to IEC 60068-2-6 |
| Electromagnetic compatibility | Electrostatic discharge - test level: 8 kV level 3 (in air) conforming to EN/IEC 61000-4-2 Electrostatic discharge - test level: 4 kV level 2 (in indirect mode) conforming to EN/IEC 61000-4-2 Surge immunity test - test level: 4 kV level 4 (power, line to ground) conforming to IEC 61000-4-5 Surge immunity test - test level: 2 kV level 4 (power, line to line) conforming to EN/IEC 61000-4-5 Surge immunity test - test level: 2 kV level 2 (control circuit, line to ground) conforming to IEC 61000-4-5 Surge immunity test - test level: 500 V level 2 (control circuit, line to line) conforming to EN/IEC 61000-4-5 Electrical fast transient/burst immunity test - test level: 2 kV level 3 conforming to EN/IEC 61000-4-4 Conducted RF disturbances - test level: 10 V/m conforming to IEC 61000-4-6 Conducted RF disturbances - test level: 10 V/m conforming to ENV 50141 Radiated radio-frequency electromagnetic field immunity test - test level: 10 V/m conforming to IEC 61000-4-3 Radiated radio-frequency electromagnetic field immunity test - test level: 10 V/m conforming to ENV 50204 Radiated radio-frequency electromagnetic field immunity test - test level: 10 V/m conforming to ENV 50140 Disturbing field emission class B conforming to ENV 55011 Disturbing field emission class B conforming to CISPR 11 |
| Ambient air temperature for storage | -40...80 °C conforming to IEC 61439-1 |
| Thermal protection adjustment range | 2.5...4 A |
| Ambient air temperature for operation | -5...40 °C conforming to IEC 61439-1 |
MPN
LF4P08DA79A74
