![[MITSUBISHI ELECTRIC] — UT/UN-YY 3-Pole Parallel Connection Units](https://img.prosourcemro.com/2026/08/Mstn-photo-opt-yy-1-1024x1024.png)
Accessories
MITSUBISHI ELECTRIC
[MITSUBISHI ELECTRIC] — UT/UN-YY 3-Pole Parallel Connection Units
Family ID: MEL-OPT-YY
Mitsubishi Electric UT-YY and UN-YY 3-pole parallel connection units convert standard MS-T/N magnetic contactors into single-phase resistive load contactors for power supplies, electric heaters, and water heaters. Mounted on the power-side and load-side main circuit terminals (2 pieces per set). AC-1 ratings from 40A to 500A at AC100-220V; switching life 250,000 to 500,000 operations. Minimum order unit: 1 set.
7 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| UT-YY20 | 3-pole parallel connection unit UT-YY20, AC-1 40A | MITSUBISHI ELECTRIC | AC-1 Rating (AC100-220V): 40A · Terminal Screw: M6 · Applicable: S-T10/T12/T20, SD-T12 | ||
| UN-YY21 | 3-pole parallel connection unit UN-YY21, AC-1 65-100A | MITSUBISHI ELECTRIC | AC-1 Rating (AC100-220V): 65-100A · Terminal Screw: M6 · Applicable: S-T21/T25/T32, SD-T21/T32, SL(D)-T21 | ||
| UN-YY35 | 3-pole parallel connection unit UN-YY35, AC-1 125-200A | MITSUBISHI ELECTRIC | AC-1 Rating (AC100-220V): 125-200A · Terminal Screw: M8 · Applicable: S-T35/T50, SD-T35/T50, SL(D)-T35/T50 | ||
| UN-YY50 | 3-pole parallel connection unit UN-YY50, AC-1 250A | MITSUBISHI ELECTRIC | AC-1 Rating (AC100-220V): 250A · Terminal Screw: M8 · Applicable: S-T65/T80, SD-T65/T80, SL(D)-T65/T80 | ||
| UN-YY80 | 3-pole parallel connection unit UN-YY80, AC-1 315A | MITSUBISHI ELECTRIC | AC-1 Rating (AC100-220V): 315A · Terminal Screw: M8 x 2 · Applicable: S-T100, SD-T100, SL(D)-T100 | ||
| UN-YY125 | 3-pole parallel connection unit UN-YY125, AC-1 400A | MITSUBISHI ELECTRIC | AC-1 Rating (AC100-220V): 400A · Terminal Screw: M10 x 2 · Applicable: S-N125, SD-N125, SL(D)-N125 | ||
| UN-YY150 | 3-pole parallel connection unit UN-YY150, AC-1 500A | MITSUBISHI ELECTRIC | AC-1 Rating (AC100-220V): 500A · Terminal Screw: M12 x 2 · Applicable: S-N150, SD-N150, SL(D)-N150 |
