![[MITSUBISHI ELECTRIC] — TH-N120 / TH-N120TA Series Thermal Overload Relay (42-125A, N120 Frame)](https://img.prosourcemro.com/2026/08/MSTN_photo_TH_1-1.png)
Thermal Overload Relays
MITSUBISHI ELECTRIC
[MITSUBISHI ELECTRIC] — TH-N120 / TH-N120TA Series Thermal Overload Relay (42-125A, N120 Frame)
Family ID: MEL-TH-N120
Mitsubishi Electric TH-N120 / TH-N120TA Series thermal overload relay for MS-T/N series magnetic contactors and starters, n120 frame, heater designations 42-125A. 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.
16 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| TH-N120 42A | TH-N120 thermal relay, 42A heater, 2-element | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 42A (adjustable 34-50A) · 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-N120 54A | TH-N120 thermal relay, 54A heater, 2-element | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 54A (adjustable 43-65A) · 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-N120 67A | TH-N120 thermal relay, 67A heater, 2-element | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 67A (adjustable 54-80A) · 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-N120 82A | TH-N120 thermal relay, 82A heater, 2-element | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 82A (adjustable 65-100A) · 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-N120KP 42A | TH-N120KP thermal relay, 42A heater, 3-element 2E | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 42A (adjustable 34-50A) · 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-N120KP 54A | TH-N120KP thermal relay, 54A heater, 3-element 2E | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 54A (adjustable 43-65A) · 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-N120KP 67A | TH-N120KP thermal relay, 67A heater, 3-element 2E | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 67A (adjustable 54-80A) · 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-N120KP 82A | TH-N120KP thermal relay, 82A heater, 3-element 2E | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 82A (adjustable 65-100A) · 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-N120TA 105A | TH-N120TA thermal relay, 105A heater, 2-element | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 105A (adjustable 85-125A) · 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-N120TA 125A | TH-N120TA thermal relay, 125A heater, 2-element | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 125A (adjustable 100-150A) · 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-N120TAHZ 105A | TH-N120TAHZ thermal relay, 105A heater, 2-element | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 105A (adjustable 85-125A) · Mounting: Standalone mounting · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-N120TAHZ 125A | TH-N120TAHZ thermal relay, 125A heater, 2-element | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 2-element · Protection: Overload · Heater: 125A (adjustable 100-150A) · Mounting: Standalone mounting · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-N120TAKP 105A | TH-N120TAKP thermal relay, 105A heater, 3-element 2E | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 105A (adjustable 85-125A) · 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-N120TAKP 125A | TH-N120TAKP thermal relay, 125A heater, 3-element 2E | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 125A (adjustable 100-150A) · 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-N120TAHZKP 105A | TH-N120TAHZKP thermal relay, 105A heater, 3-element 2E | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 105A (adjustable 85-125A) · Mounting: Standalone mounting · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 | ||
| TH-N120TAHZKP 125A | TH-N120TAHZKP thermal relay, 125A heater, 3-element 2E | Mitsubishi Electric | Frame: N120 · Type: Thermal Overload Relay · Elements: 3-element (2E) · Protection: Overload + Open-phase · Heater: 125A (adjustable 100-150A) · Mounting: Standalone mounting · Reset: Manual (standard) · Aux Contact: 1a1b · Standards: JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4 |
