Overview
The LA1KN407 is a Schneider TeSys K auxiliary contact block providing 4 normally-open instantaneous contacts rated for 10 A switching current at 690 V insulation voltage, mounted via a front clip-on with Faston terminals.
Schneider LA1KN407 TeSys K auxiliary contact block, 4NO, 10 A
MPNLA1KN407
Obsolete
Schneider LA1KN407 Power Relay Auxiliary Contacts — now discontinued, supplied from remaining surplus and broker stock.
$26.09Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Product or component type | Auxiliary contact block |
| Voltage | 690 V IEC 60947-5-1 600 V UL 60947-5-1 600 V CSA C22.2 No 60947-5-1 |
| [Ue] rated operational voltage | 690 V AC 25...400 Hz |
| [Ith] conventional free air thermal current | 10 A (at 122 °F (50 °C)) |
| Pole contact composition | 4 NO |
| IP degree of protection | IP20 conforming to IEC 60529 |
| Mounting location | Front |
| Connections - terminals | Faston terminals 1 0.010 in² (6.35 mm²) Faston terminals 2 0.004 in² (2.8 mm²) |
| Operating altitude | 6561.68 ft (2000 m) |
| Depth | 1.4 in (35 mm) |
| Width | 1.5 in (38 mm) |
| Height | 1.2 in (30 mm) |
All specifications
| Parameter | Value |
|---|---|
| Standards | EN/IEC 60947-5-1 UL 60947-5-1 CSA C22.2 No 60947-5-1 GB/T 14048.5 JIS C8201-5-1 UL 60335-2-40:Annex JJ |
| Range | TeSys |
| Category | US10I1222341 |
| Device short name | LA1 |
| Contacts operation | Instantaneous |
| Protective treatment | TC IEC 60068 |
| Irms rated making capacity | 110 A at 10 MOhm |
| Environmental characteristic | Normal environment |
| Ambient air temperature for storage | -58...176 °F (-50...80 °C) |
| Ambient air temperature for operation | -13...122 °F (-25...50 °C) |
Product details
MPN
LA1KN407