![[MITSUBISHI ELECTRIC] — TH-T18 / TH-T18KP Thermal Overload Relay (0.12-15A, T18 Frame)](https://img.prosourcemro.com/2026/08/MSTN_photo_TH_1-1.png)
Thermal Overload Relays
MITSUBISHI ELECTRIC
[MITSUBISHI ELECTRIC] — TH-T18 / TH-T18KP Thermal Overload Relay (0.12-15A, T18 Frame)
Family ID: MEL-TH-T18
Mitsubishi Electric TH-T18 / TH-T18KP thermal overload relay for MS-T/N series magnetic contactors and starters, t18 frame, heater designations 0.12-15A. 2-element type for overload protection, KP 3-element (2E) type for combined overload and open-phase protection. Manual reset standard (auto-reset AR type available to order); auxiliary contact 1a1b. Compliant with JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4.
34 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| TH-T18 0.12A | TH-T18 thermal relay, 0.12A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 0.12A (adjustable 0.1-0.16A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 0.17A | TH-T18 thermal relay, 0.17A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 0.17A (adjustable 0.14-0.22A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 0.24A | TH-T18 thermal relay, 0.24A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 0.24A (adjustable 0.2-0.32A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 0.35A | TH-T18 thermal relay, 0.35A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 0.35A (adjustable 0.28-0.42A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 0.5A | TH-T18 thermal relay, 0.5A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 0.5A (adjustable 0.4-0.6A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 0.7A | TH-T18 thermal relay, 0.7A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 0.7A (adjustable 0.55-0.85A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 0.9A | TH-T18 thermal relay, 0.9A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 0.9A (adjustable 0.7-1.1A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 1.3A | TH-T18 thermal relay, 1.3A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 1.3A (adjustable 1-1.6A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 1.7A | TH-T18 thermal relay, 1.7A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 1.7A (adjustable 1.4-2A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 2.1A | TH-T18 thermal relay, 2.1A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 2.1A (adjustable 1.7-2.5A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 2.5A | TH-T18 thermal relay, 2.5A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 2.5A (adjustable 2-3A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 3.6A | TH-T18 thermal relay, 3.6A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 3.6A (adjustable 2.8-4.4A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 5A | TH-T18 thermal relay, 5A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 5A (adjustable 4-6A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 6.6A | TH-T18 thermal relay, 6.6A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 6.6A (adjustable 5.2-8A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 9A | TH-T18 thermal relay, 9A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 9A (adjustable 7-11A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 11A | TH-T18 thermal relay, 11A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 11A (adjustable 9-13A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18 15A | TH-T18 thermal relay, 15A heater, 2-element | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 15A (adjustable 12-18A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 0.12A | TH-T18KP thermal relay, 0.12A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 0.12A (adjustable 0.1-0.16A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 0.17A | TH-T18KP thermal relay, 0.17A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 0.17A (adjustable 0.14-0.22A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 0.24A | TH-T18KP thermal relay, 0.24A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 0.24A (adjustable 0.2-0.32A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 0.35A | TH-T18KP thermal relay, 0.35A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 0.35A (adjustable 0.28-0.42A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 0.5A | TH-T18KP thermal relay, 0.5A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 0.5A (adjustable 0.4-0.6A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 0.7A | TH-T18KP thermal relay, 0.7A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 0.7A (adjustable 0.55-0.85A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 0.9A | TH-T18KP thermal relay, 0.9A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 0.9A (adjustable 0.7-1.1A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 1.3A | TH-T18KP thermal relay, 1.3A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 1.3A (adjustable 1-1.6A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 1.7A | TH-T18KP thermal relay, 1.7A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 1.7A (adjustable 1.4-2A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 2.1A | TH-T18KP thermal relay, 2.1A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 2.1A (adjustable 1.7-2.5A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 2.5A | TH-T18KP thermal relay, 2.5A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 2.5A (adjustable 2-3A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 3.6A | TH-T18KP thermal relay, 3.6A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 3.6A (adjustable 2.8-4.4A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 5A | TH-T18KP thermal relay, 5A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 5A (adjustable 4-6A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 6.6A | TH-T18KP thermal relay, 6.6A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 6.6A (adjustable 5.2-8A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 9A | TH-T18KP thermal relay, 9A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 9A (adjustable 7-11A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 11A | TH-T18KP thermal relay, 11A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 11A (adjustable 9-13A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-T18KP 15A | TH-T18KP thermal relay, 15A heater, 3-element 2E | Mitsubishi Electric | Frame: T18 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 15A (adjustable 12-18A) · Mounting: For magnetic starter combination · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 |
