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Schneider Electric LB1LD03M53 — Circuit Breaker Accessories

Schneider Electric LB1LD03M53

MPNLB1LD03M53
Obsolete

Protection module, TeSys integral 63, 3P, AC-43, 23 to 32A, 690VAC, thermal-magnetic

$226.31Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LB1LD03M53 — Identification
ParameterValue
Product / component typeProtection module
Product rangeTeSys
LB1LD03M53 — Electrical
ParameterValue
Rated operational voltage [Ue]690 V AC
Poles description3P
LB1LD03M53 — Protection & Performance
ParameterValue
Trip unit technologyThermal-magnetic
Protection typePhase imbalance
Utilisation categoryAC-43
LB1LD03M53 — Mechanical
ParameterValue
Device short nameLB1LD
LB1LD03M53 — Environmental
ParameterValue
IP degree of protectionIP20 B IEC 60144 IP20 B IEC 60529
Operating ambient air temperature-4...140 °F (-20...60 °C)
LB1LD03M53 — Approvals
ParameterValue
StandardsNF C 63-650
LB1LD03M53 — Other specifications
ParameterValue
Motor power7.5 kW 220...240 V AC 50/60 Hz 15 kW 400...415 V AC 50/60 Hz 15 kW 440 V AC 50/60 Hz 18.5 kW 480...525 V AC 50/60 Hz 22 kW 600...690 V AC 50/60 Hz
Protective treatmentTH
Thermal overload classClass 20
Magnetic tripping current190...380 A
Thermal protection adjustment range23...32 A
MPN
LB1LD03M53