![[MITSUBISHI ELECTRIC] — UT/UN-AX Auxiliary Contact Units for MS-T/N Contactors and Relays](https://img.prosourcemro.com/2026/08/Mstn-photo-opt-ax-1.png)
Accessories
MITSUBISHI ELECTRIC
[MITSUBISHI ELECTRIC] — UT/UN-AX Auxiliary Contact Units for MS-T/N Contactors and Relays
Family ID: MEL-OPT-AX
Mitsubishi Electric UT-AX and UN-AX auxiliary contact units add extra auxiliary contacts to MS-T/N series magnetic contactors and contactor relays without special tools. Twin contacts throughout for high contact reliability, suitable for low-level signals. Head ON and slim Side ON mounting types; UT-AX(BC) types have wiring-rationalized terminals and UN-AX(CX) types have CAN terminals. Selectable contact arrangements on AX2 (2a, 1a1b, 2b) and AX4 (4a, 3a1b, 2a2b); AX11/AX80/AX150 fixed 1a1b, AX600 fixed 2a2b. Rated insulation voltage 690V, Ith 10A. Conforms to JIS C8201-5-1, IEC 60947-5-1, EN 60947-5-1, GB14048.5.
31 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| UT-AX2 2A | Auxiliary contact unit UT-AX2, 2a, Head ON | MITSUBISHI ELECTRIC | Contacts: 2a · Mounting: Head ON · Terminal: Screw · Applicable: S-T10 to T50, SR-T5 (AC) / SD-T12 to T50, SRD-T5 (DC) | ||
| UT-AX2 1A1B | Auxiliary contact unit UT-AX2, 1a1b, Head ON | MITSUBISHI ELECTRIC | Contacts: 1a1b · Mounting: Head ON · Terminal: Screw · Applicable: S-T10 to T50, SR-T5 (AC) / SD-T12 to T50, SRD-T5 (DC) | ||
| UT-AX2 2B | Auxiliary contact unit UT-AX2, 2b, Head ON | MITSUBISHI ELECTRIC | Contacts: 2b · Mounting: Head ON · Terminal: Screw · Applicable: S-T10 to T50, SR-T5 (AC) / SD-T12 to T50, SRD-T5 (DC) | ||
| UT-AX2BC 2A | Auxiliary contact unit UT-AX2BC, 2a, Head ON | MITSUBISHI ELECTRIC | Contacts: 2a · Mounting: Head ON · Terminal: Wiring-rationalized (BC) · Applicable: S-T10BC to T50BC, SR-T5BC group | ||
| UT-AX2BC 1A1B | Auxiliary contact unit UT-AX2BC, 1a1b, Head ON | MITSUBISHI ELECTRIC | Contacts: 1a1b · Mounting: Head ON · Terminal: Wiring-rationalized (BC) · Applicable: S-T10BC to T50BC, SR-T5BC group | ||
| UT-AX2BC 2B | Auxiliary contact unit UT-AX2BC, 2b, Head ON | MITSUBISHI ELECTRIC | Contacts: 2b · Mounting: Head ON · Terminal: Wiring-rationalized (BC) · Applicable: S-T10BC to T50BC, SR-T5BC group | ||
| UT-AX4 4A | Auxiliary contact unit UT-AX4, 4a, Head ON | MITSUBISHI ELECTRIC | Contacts: 4a · Mounting: Head ON · Terminal: Screw · Applicable: S-T10 to T50, SR-T5 (AC) / SD-T12 to T50, SRD-T5 (DC) | ||
| UT-AX4 3A1B | Auxiliary contact unit UT-AX4, 3a1b, Head ON | MITSUBISHI ELECTRIC | Contacts: 3a1b · Mounting: Head ON · Terminal: Screw · Applicable: S-T10 to T50, SR-T5 (AC) / SD-T12 to T50, SRD-T5 (DC) | ||
| UT-AX4 2A2B | Auxiliary contact unit UT-AX4, 2a2b, Head ON | MITSUBISHI ELECTRIC | Contacts: 2a2b · Mounting: Head ON · Terminal: Screw · Applicable: S-T10 to T50, SR-T5 (AC) / SD-T12 to T50, SRD-T5 (DC) | ||
| UT-AX4BC 4A | Auxiliary contact unit UT-AX4BC, 4a, Head ON | MITSUBISHI ELECTRIC | Contacts: 4a · Mounting: Head ON · Terminal: Wiring-rationalized (BC) · Applicable: S-T10BC to T50BC, SR-T5BC group | ||
| UT-AX4BC 3A1B | Auxiliary contact unit UT-AX4BC, 3a1b, Head ON | MITSUBISHI ELECTRIC | Contacts: 3a1b · Mounting: Head ON · Terminal: Wiring-rationalized (BC) · Applicable: S-T10BC to T50BC, SR-T5BC group | ||
| UT-AX4BC 2A2B | Auxiliary contact unit UT-AX4BC, 2a2b, Head ON | MITSUBISHI ELECTRIC | Contacts: 2a2b · Mounting: Head ON · Terminal: Wiring-rationalized (BC) · Applicable: S-T10BC to T50BC, SR-T5BC group | ||
| UN-AX2 2A | Auxiliary contact unit UN-AX2, 2a, Head ON | MITSUBISHI ELECTRIC | Contacts: 2a · Mounting: Head ON · Terminal: Screw · Applicable: S-T65, T80, S-N38, N48, DU-N30 (AC) / SD-T65, T80, DUD-N30 (DC) | ||
| UN-AX2 1A1B | Auxiliary contact unit UN-AX2, 1a1b, Head ON | MITSUBISHI ELECTRIC | Contacts: 1a1b · Mounting: Head ON · Terminal: Screw · Applicable: S-T65, T80, S-N38, N48, DU-N30 (AC) / SD-T65, T80, DUD-N30 (DC) | ||
| UN-AX2 2B | Auxiliary contact unit UN-AX2, 2b, Head ON | MITSUBISHI ELECTRIC | Contacts: 2b · Mounting: Head ON · Terminal: Screw · Applicable: S-T65, T80, S-N38, N48, DU-N30 (AC) / SD-T65, T80, DUD-N30 (DC) | ||
| UN-AX2CX 2A | Auxiliary contact unit UN-AX2CX, 2a, Head ON | MITSUBISHI ELECTRIC | Contacts: 2a · Mounting: Head ON · Terminal: CAN (CX) · Applicable: S-T65CX, T80CX group | ||
| UN-AX2CX 1A1B | Auxiliary contact unit UN-AX2CX, 1a1b, Head ON | MITSUBISHI ELECTRIC | Contacts: 1a1b · Mounting: Head ON · Terminal: CAN (CX) · Applicable: S-T65CX, T80CX group | ||
| UN-AX2CX 2B | Auxiliary contact unit UN-AX2CX, 2b, Head ON | MITSUBISHI ELECTRIC | Contacts: 2b · Mounting: Head ON · Terminal: CAN (CX) · Applicable: S-T65CX, T80CX group | ||
| UN-AX4 4A | Auxiliary contact unit UN-AX4, 4a, Head ON | MITSUBISHI ELECTRIC | Contacts: 4a · Mounting: Head ON · Terminal: Screw · Applicable: S-T65, T80, S-N38, N48, DU-N30 (AC) / SD-T65, T80, DUD-N30 (DC) | ||
| UN-AX4 3A1B | Auxiliary contact unit UN-AX4, 3a1b, Head ON | MITSUBISHI ELECTRIC | Contacts: 3a1b · Mounting: Head ON · Terminal: Screw · Applicable: S-T65, T80, S-N38, N48, DU-N30 (AC) / SD-T65, T80, DUD-N30 (DC) | ||
| UN-AX4 2A2B | Auxiliary contact unit UN-AX4, 2a2b, Head ON | MITSUBISHI ELECTRIC | Contacts: 2a2b · Mounting: Head ON · Terminal: Screw · Applicable: S-T65, T80, S-N38, N48, DU-N30 (AC) / SD-T65, T80, DUD-N30 (DC) | ||
| UN-AX4CX 4A | Auxiliary contact unit UN-AX4CX, 4a, Head ON | MITSUBISHI ELECTRIC | Contacts: 4a · Mounting: Head ON · Terminal: CAN (CX) · Applicable: S-T65CX, T80CX group | ||
| UN-AX4CX 3A1B | Auxiliary contact unit UN-AX4CX, 3a1b, Head ON | MITSUBISHI ELECTRIC | Contacts: 3a1b · Mounting: Head ON · Terminal: CAN (CX) · Applicable: S-T65CX, T80CX group | ||
| UN-AX4CX 2A2B | Auxiliary contact unit UN-AX4CX, 2a2b, Head ON | MITSUBISHI ELECTRIC | Contacts: 2a2b · Mounting: Head ON · Terminal: CAN (CX) · Applicable: S-T65CX, T80CX group | ||
| UT-AX11 | Auxiliary contact unit UT-AX11, 1a1b fixed, Side ON | MITSUBISHI ELECTRIC | Contacts: 1a1b (fixed) · Mounting: Side ON · Terminal: Screw · Applicable: S-T10 to T50, SR-T5, SL(D)-T21/T35/T50, SRL(D)-T5 · Max Units: Up to 2 units (reversing) | ||
| UT-AX11BC | Auxiliary contact unit UT-AX11BC, 1a1b fixed, Side ON | MITSUBISHI ELECTRIC | Contacts: 1a1b (fixed) · Mounting: Side ON · Terminal: Wiring-rationalized (BC) · Applicable: BC terminal group of the above · Max Units: Up to 2 units (reversing) | ||
| UN-AX11 | Auxiliary contact unit UN-AX11, 1a1b fixed, Side ON | MITSUBISHI ELECTRIC | Contacts: 1a1b (fixed) · Mounting: Side ON · Terminal: Screw · Applicable: S-T65, T80, DU-N30, SL(D)-T65/T80 · Max Units: Up to 2 units (reversing) | ||
| UN-AX11CX | Auxiliary contact unit UN-AX11CX, 1a1b fixed, Side ON | MITSUBISHI ELECTRIC | Contacts: 1a1b (fixed) · Mounting: Side ON · Terminal: CAN (CX) · Applicable: CX terminal group of the above · Max Units: Up to 2 units (reversing) | ||
| UN-AX80 | Auxiliary contact unit UN-AX80, 1a1b fixed, Side ON | MITSUBISHI ELECTRIC | Contacts: 1a1b (fixed) · Mounting: Side ON · Terminal: Screw · Applicable: S-T100, S-N125, DU-N60, SL(D)-T100/N125 · Max Units: Up to 2 units (left/right) | ||
| UN-AX150 | Auxiliary contact unit UN-AX150, 1a1b fixed, Side ON | MITSUBISHI ELECTRIC | Contacts: 1a1b (fixed) · Mounting: Side ON · Terminal: Screw · Applicable: S-N150 to N400, DU-N120/N180/N260, SL(D)-N150 to N400 · Max Units: Up to 2 units (left/right) | ||
| UN-AX600 | Auxiliary contact unit UN-AX600, 2a2b fixed, Side ON | MITSUBISHI ELECTRIC | Contacts: 2a2b (fixed) · Mounting: Side ON · Terminal: Screw · Applicable: S-N600, N800, SL(D)-N600/N800 · Max Units: 1 unit (right side) |
