• Mitsubishi Electric TH-N120 / TH-N120TA Series Thermal Overload Relay (42-125A, N120 Frame)
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Mitsubishi Electric TH-N120 / TH-N120TA Series Thermal Overload Relay (42-125A, N120 Frame)

Mitsubishi Electric TH-N120 / TH-N120TA Series Thermal Overload Relay (42-125A, N120 Frame)

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.

Key features

  • 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

Specifications

Frame N120
Type Thermal Overload Relay
Reset Manual (standard)
Aux Contact 1a1b
Standards JIS C8201-4-1, IEC 60947-4-1, EN 60947-4-1, GB 14048.4
TH-N120 42A TH-N120 thermal relay, 42A heater, 2-element | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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
Thermal Overload RelaysMitsubishi Electric
16 product codes available in this family
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Mitsubishi Electric TH-N120 / TH-N120TA Series Thermal Overload Relay (42-125A, N120 Frame)

Brand Mitsubishi Electric·Thermal Overload Relays

Available part numbers (16)

TH-N120 42A, TH-N120 54A, TH-N120 67A, TH-N120 82A, TH-N120KP 42A, TH-N120KP 54A, TH-N120KP 67A, TH-N120KP 82A, TH-N120TA 105A, TH-N120TA 125A + 6 more — see full table ↓

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Product codes & specifications
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Product codeSpec
TH-N120 42ATH-N120 thermal relay, 42A heater, 2-element | 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 54ATH-N120 thermal relay, 54A heater, 2-element | 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 67ATH-N120 thermal relay, 67A heater, 2-element | 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 82ATH-N120 thermal relay, 82A heater, 2-element | 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 42ATH-N120KP thermal relay, 42A heater, 3-element 2E | 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 54ATH-N120KP thermal relay, 54A heater, 3-element 2E | 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 67ATH-N120KP thermal relay, 67A heater, 3-element 2E | 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 82ATH-N120KP thermal relay, 82A heater, 3-element 2E | 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 105ATH-N120TA thermal relay, 105A heater, 2-element | 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 125ATH-N120TA thermal relay, 125A heater, 2-element | 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 105ATH-N120TAHZ thermal relay, 105A heater, 2-element | 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 125ATH-N120TAHZ thermal relay, 125A heater, 2-element | 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 105ATH-N120TAKP thermal relay, 105A heater, 3-element 2E | 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 125ATH-N120TAKP thermal relay, 125A heater, 3-element 2E | 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 105ATH-N120TAHZKP thermal relay, 105A heater, 3-element 2E | 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 125ATH-N120TAHZKP thermal relay, 125A heater, 3-element 2E | 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

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