Schneider Electric LT4730F7A
MPNLT4730F7A
Obsolete
Electronic over current relays, TeSys LT47, automatic, 3 to 30A, 100 to 120VAC
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product type | Electronic overcurrent relay |
| Product range / family | TeSys |
| Product name / family | TeSys LT |
Ratings
| Parameter | Value |
|---|---|
| Conventional free-air thermal current (Ith) | 3 A for signalling circuit |
| Network frequency | 50...60 Hz |
Contacts & Poles
| Parameter | Value |
|---|---|
| Auxiliary contact composition | 1 NO + 1 NC |
Performance
| Parameter | Value |
|---|---|
| Rated insulation voltage (Ui) | Power circuit: 600 V AC conforming to CSA Power circuit: 600 V AC conforming to UL Power circuit: 690 V AC conforming to IEC 60947-4-1 |
| Rated impulse withstand voltage (Uimp) | 6 kV |
Mechanical
| Parameter | Value |
|---|---|
| Terminal connections / wire range | Signalling circuit: screw clamp terminals 1 1...2.5 mm² - cable stiffness: flexible with cable end Signalling circuit: screw clamp terminals 1 1...2.5 mm² - cable stiffness: flexible without cable end Signalling circuit: screw clamp terminals 2 1...2.5 mm² - cable stiffness: flexible with cable end Signalling circuit: screw clamp terminals 2 1...2.5 mm² - cable stiffness: flexible without cable end |
| Terminal tightening torque | Signalling circuit: 1.7 N.m M3.5 |
| IP degree of protection | IP20 conforming to IEC 60529 IP20 conforming to VDE 0106 |
| Width | 71 mm |
| Height | 70.3 mm |
| Depth | 77.2 mm |
Environmental
| Parameter | Value |
|---|---|
| Operating ambient temperature | -25...60 °C without derating conforming to IEC 60947-4-1 |
| Storage ambient temperature | -30...80 °C |
| Operating altitude | 2000 m |
| Protective treatment | TH conforming to IEC 60068 |
Approvals
| Parameter | Value |
|---|---|
| Standards | IEC 60947 IEC 60255-6 |
Electrical
| Parameter | Value |
|---|---|
| Tripping threshold | 3...25 A |
| [Us] rated supply voltage | 100...120 V AC |
Specifications
| Parameter | Value |
|---|---|
| Thermal protection adjustment range | 3...30 A |
| Time range | 1...120 s - control type R-time 0.3...30 s - control type O-time |
| Control type | automatic: reset |
I/O
| Parameter | Value |
|---|---|
| Relay application | Locked rotor, mechanical jamming I > 3 x Isetting Sensitivity to phase failure Overload Imax > Isetting |
MPN
LT4730F7A