3RU1146-4LB0
SIEMENS 3RU1146-4LB0 — Thermal overload relay
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Siemens SIRIUS 3RU11 thermal overload relay 3RU1146-4LB0, size S3, CLASS 10, for mounting onto a compatible contactor, with screw terminals for auxiliary current connections. Historical Siemens IC 10 AO 2012 (printed page 7/43, PDF page 165) specifies adjustable inverse-time thermal overload release 70 ... 90 A, 1 NO + 1 NC auxiliary contacts, manual or automatic reset and a maximum 160 A gG fuse guide for coordination type 2. The 45 kW motor figure is a selection guide for four-pole standard motors at 400 V AC, 50 Hz, not a universal motor rating. Current stock, price, condition, lifecycle and warranty are not determined by this historical catalog.
Thermal Overload Current Setting Range
70 ... 90 A
Motor Power Guide At 400 V AC, 50 Hz
45 kW
Max GG Fuse Rating, Coordination Type 2
160 A
Contactor Frame Size
S3
Siemens SIRIUS 3RU11 thermal overload relay 3RU1146-4LB0, size S3, CLASS 10, for mounting onto a compatible contactor, with screw terminals for auxiliary current connections. Historical Siemens IC 10 AO 2012 (printed page 7/43, PDF page 165) specifies adjustable inverse-time thermal overload release 70 ... 90 A, 1 NO + 1 NC auxiliary contacts, manual or automatic reset and a maximum 160 A gG fuse guide for coordination type 2. The 45 kW motor figure is a selection guide for four-pole standard motors at 400 V AC, 50 Hz, not a universal motor rating. Current stock, price, condition, lifecycle and warranty are not determined by this historical catalog.
In stock: 1
