Siemens SIRIUS 3RU1116-1JB0 thermal overload relay for three‑phase motor protection, adjustable from 7 to 10A, in good working used condition. This size S00 relay mounts directly to compatible Siemens SIRIUS contactors and provides Class 10 overload protection.
Brand: Siemens
Series: SIRIUS 3RU11
Model: 3RU1116-1JB0
Instr. Ord. No. on label: 3ZX1012-0RU11-1AA1
Type: Thermal overload relay for motor protection
Current setting range: 7–10A adjustable (front dial, per Siemens data).
Trip class: Class 10.
Main circuit: 3‑pole, for S00 frame contactors (e.g. 3RT1015/3RT1016/3RT1017).
Auxiliary contacts: 1 NO + 1 NC (95–96 NC, 97–98 NO) for signalling/control (shown on side diagram).
Rated insulation voltage: up to 690V AC (Ui 690V on rear label).
Terminals: Screw terminals for main (T1/T2/T3) and auxiliary circuits; wiring ranges and tightening torques printed on side label.
Reset and test: Manual/automatic reset selector, TEST function, red STOP and blue RESET pushbuttons, front status window.
Protection class: IP20 housing.
Mounting: Direct mounting to SIRIUS S00 contactors or separate mounting with appropriate adapter (not included).
Country of manufacture: Made in Germany (on side label).
Good working used condition, removed from an operating control panel.
Front face and housing show visible dirt, discoloration and minor scuffs from regular service; markings and scales remain legible.
Terminal screws, mounting clips and adjustment dial are intact and move freely.
No original packaging, manuals, or matching contactor included; overload relay only as shown in the photos.
Designed to protect three‑phase motors with normal start‑up characteristics in the 7–10A range; suitable as a direct replacement for identical 3RU1116-1JB0 units.
Buyer should verify motor full‑load current, contactor size (S00) and coordination requirements against Siemens documentation before installation.
Installation and adjustment should be done by qualified electrical personnel in accordance with IEC/EN 60947 and local regulations.
