Skip to main content
Schneider Electric LB1LD03P21 — Overload Relays

Schneider Electric LB1LD03P21

MPNLB1LD03P21
Obsolete

TeSys integral - protection module - AC-43 - thermal-magnetic - 13...18 A

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LB1LD03P21 — Specifications
ParameterValue
RangeTeSys
StandardsNF C 63-650
Motor power4 kW 220...240 V AC 50/60 Hz 9 kW 400...415 V AC 50/60 Hz 9 kW 440 V AC 50/60 Hz 11 kW 480...525 V AC 50/60 Hz 15 kW 600...690 V AC 50/60 Hz
Protection typePhase imbalance
Device short nameLB1LD
Poles description3P
Protective treatmentTH
Trip unit technologyThermal-magnetic
Utilisation categoryAC-43
Thermal overload classClass 20
IP degree of protectionIP20 B IEC 60144 IP20 B IEC 60529
Magnetic tripping current270 A
Product or component typeProtection module
[Ue] rated operational voltage690 V AC
Thermal protection adjustment range13...18 A
Ambient air temperature for operation-4...140 °F (-20...60 °C)
MPN
LB1LD03P21