Schneider LC1F500 Contactor

Allineare: TeSys F (High-power imported contactor, interrotto)

Model naming rule:

LC1F500 + Coil suffix

LC1F: TeSys F 3-contattore di polo

500: Corrente operativa nominale 500 A under utilisation category AC-3 at 440 V

Suffix examples:

M7: AC 220 V, 50/60 Hz (Modello più comune: LC1F500M7)

D7: AC 380 V

ED: DC 48 V

⚠️ Recommended replacement after discontinuation: LC1G500 (New-generation TeSys Giga)

2. Main Electrical Parameters

Circuito principale

Numero di poli: 3P, 3NO (3 contatti principali normalmente aperti)

Tensione nominale di isolamento Ui: 1000 V

AC-3 (Carico del motore, 55°C): 500 UN

AC-1 (Carico resistivo, 40°C): 700 UN

Rated short-time withstand current Icw: 4200 UN / 10 S

Controllable Motor Power (AC-3)

220 V: 147 kW

380/400 V: 250 kW

415 V: 280 kW

440 V: 295 kW

690 V: 335 kW

Parametri della bobina (Take AC coil M7 as example)

Potenza di spunto: 1100 VA

Hold-in power: 18 VA

Intervallo di tensione operativa: 0.85～1.1 × Uc

Closing time: 40～65 ms; Opening time: 100～170 ms

Durata di servizio & Maximum Operating Rate

Durabilità meccanica: 10 milioni di cicli

Maximum operating frequency: 2400 cicli/ora

3. Costruzione & Montaggio

Collegamento al circuito principale: Bolt connection for busbars or cable lugs, coppia di serraggio 35 N·m

Control terminal tightening torque: 1.2 N·m

Dimensione complessiva (L × A × P): ca. 233 × 238 × 232 mm

Montaggio: Base plate screw mounting

4. Accessori compatibili

Relè di sovraccarico termico

Matching electronic thermal relay: LR9F7375 (132～220 A)

Nota: Direct mounting between LC1F500 and LR9F7375 requires swapping Phase A and Phase C terminals of the thermal relay for alignment.

Contatti ausiliari

LA1F, LA8F auxiliary contact modules (Nessun contatto ausiliario integrato; need to be ordered separately).

Interblocco meccanico

LA7F406 (For forward/reversing circuit).

5. Important Discontinuation Notice

LC1F500 series including LC1F500M7 / LC1F500Q7 are fully discontinued.

Stock spare parts are gradually depleted. Per nuovi progetti, select the replacement directly:

✅ LC1G500KUEN (Wide voltage coil 100–250 V AC/DC)

✅ LC1G500LSEA (200–500 V AC/DC)

LC1G500 shares the same current rating, but dimension differs; cabinet layout needs hole dimension verification.

6. Applicazioni tipiche

3-phase fans, pompe dell'acqua, compressori d'aria, frantoi, variable frequency drive mains bypass and other LV motor circuits up to 250 kW.

Se necessario, Posso fornire:

1) Complete dimension drawing of LC1F500;

2) Comparison checklist for LC1F500 ↔ LC1G500 replacement;

3) Full coil voltage model list.

Schneider LC1F500 (TeSys F Series)

✅ Mechanical durability: 10 milioni di cicli (10×10⁶ cycles)

Condizione di prova: Rated control voltage, funzionamento a vuoto.

Supplementary reference parameters:

1. Durabilità elettrica (AC-3, 400 V, 500 UN): ca. 150,000 cicli;
2. Maximum operating frequency: 2400 cicli/ora;
3. Promemoria: Questo modello è fuori produzione; replacement model LC1G500.

Official Replacement Models for Schneider LC1F500 (TeSys F)

LC1F500 full series discontinued. Official upgrade series: TeSys Giga LC1G500 (3-palo). It offers identical electrical rating: 500 A under AC-3 at 440 V.

1. Primary Direct Replacement Models (Sorted by Coil Voltage)

Model description:

KUEN: Versione standard, 100~250 V (Top choice to replace M7)

LSEA: Versione avanzata, 200~500 V (To replace Q7)

EHEA: Versione avanzata, 48~130 V (To replace F7)

2. Critical Notes During Replacement
3. Mounting dimensions are not interchangeable

LC1G width is roughly 35% narrower than LC1F;

✅ To reuse existing mounting holes: Install adaptation base LA9GRFB2 (Suitable for LC1G265～500), no new drilling required.

2. Accessories are incompatible; old LC1F accessories cannot be reused

Originale: LA1F auxiliary contacts, LA7F mechanical interlock cannot be mounted on LC1G

New accessories for LC1G:

Contatti ausiliari: LA9G series

Interblocco meccanico: LA9G970 (Horizontal forward/reversing)

3. Matching thermal overload relay updated

Original matched LR9F7375; LC1G500 matches LR9G series electronic thermal relays.

4. Confronto delle prestazioni

Durabilità meccanica: LC1F500 = 10 milioni di cicli; LC1G500 = 8 milioni di cicli

AC-3 rated current: Identico 500 A @440 V

LC1G Advantages: Electronic wide-voltage coil, stronger voltage fluctuation resistance, contact wear diagnosis available.

3. Alternative Solutions for Two Scenarios
4. Emergency spare parts solution

For urgent on-site maintenance: Purchase original stocked LC1F500 from market (Price increased, supply tight, watch out for refurbished units). Not allowed for new projects.

2. Cross-brand alternative (Non-Schneider OEM)

Siemens 3RT1075, ABB AF580; Only applicable for retrofit projects, not recommended for new cabinet design.

Simplified Selection Advice

For most domestic working conditions (Original coil AC220V LC1F500M7)

👉 Preferred option: LC1G500KUEN + LA9GRFB2 adaptation base (If original mounting holes need reservation)

Service Life Parameters of Schneider LC1G500 (TeSysGiga)

1. Mechanical Durability (Official Rating)

8 milioni di cicli (8×10⁶ cycles)

Tested under no-load condition with rated control voltage.

Compare with old LC1F500: Durabilità meccanica 10 milioni di cicli, slightly lower.

2. Durabilità elettrica (AC-3, 400 V, 500 A Motor Load)

✅ Official standard reference value: 150,000 cicli (Same as LC1F500 datasheet value)

Osservazioni importanti:

1. Electrical durability is not a fixed value, affected by operating frequency, corrente di avviamento, temperatura ambiente, surge suppression and start-stop frequency;
2. Under AC-3e (Heavy-duty frequent start-stop), electrical durability will be significantly lower than 150,000 cicli;
3. Under AC-4 (Inching, reverse braking), electrical durability is only 20,000～30,000 cycles;
4. Under AC-1 resistive load (Heaters), electrical durability can reach more than 500,000 cicli.
5. Extra Key Advantages (LC1G VS LC1F)

LC1G500 supports independent replacement of main contact assembly!

When contacts are burned out, only the contact module needs replacement instead of the whole contactor, greatly reducing long-term maintenance cost; LC1F500 does not support separate contact replacement. Once contacts are damaged, the whole unit must be replaced.

4. Maximum Allowable Operating Frequency

AC-3: 600 cicli/ora

AC-3e: 600 cicli/ora

AC-1: 300 cicli/ora

AC-4: 150 cicli/ora

Service Life Comparison Table: LC1F500 ↔ LC1G500