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US-H20DD Mitsubishi Low-voltage switchgear Solid State Contactor
Discontinued by Mitsubishi Electric (Factory Automation) — we can still source the original US-H20DD (new, used or refurbished, subject to availability). Request a quote below.
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Quick facts
| Availability | Confirmed on request |
| Category | Mitsubishi Low-voltage switchgear – Solid State Contactors |
| Lifecycle | Discontinued |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
Can I still buy the US-H20DD now that it is discontinued?
Yes. Mitsubishi Electric (Factory Automation) has discontinued the US-H20DD, but sourcing discontinued parts is what PartnerPLC specialises in — new old stock, used and refurbished units. Request a quote and we'll confirm availability, condition and lead time.
When can US-H20DD be shipped?
US-H20DD is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up US-H20DD in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for US-H20DD and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for US-H20DD, subject to availability and destination.
The Mitsubishi Electric US-H20DD is a solid State Contactor in the Low-voltage switchgear. Rated Operational Current 20A(Category AC-1) 2 Pole 2-Element Individual Control DC Operated. Mitsubishi Electric has discontinued it (2025/09 Discontinued); PartnerPLC sources discontinued Mitsubishi parts on the surplus market for maintenance of existing machines. Specifications and manuals below are Mitsubishi Electric's own data.
Specifications
Product
| Series | Low-voltage switchgear |
| Sales status | 2025/09 Discontinued (Mitsubishi Electric) |
| Outline | Rated Operational Current 20A(Category AC-1) 2 Pole 2-Element Individual Control DC Operated |
Specifications
| Product Specification | For Heater Loads |
| Rating: Rated Operating Current [A]: JEM（Category AC-1） | 20 |
| Rating: Rated Operating Current [A]: IEC（Category AC-51） | 20 |
| Rating: Applicable Heater Capacity [kW]: 1φ 200V | 4 |
| Rating: Applicable Heater Capacity [kW]: 1φ 400V | 8 |
| Rating: Minimum Load Current [mA] | 300 |
| Main Circuit Specifications: No.of Poles/Elements | 2-Pole 2-Element Type |
| Main Circuit Specifications: Control Method | Individual Control Type |
| Main Circuit Specifications: Operating Voltage [V] | AC24 to 480 |
| Main Circuit Specifications: Rated Insulation Voltage [V] | AC500 |
| Main Circuit Specifications: Making Voltage Drop | 1.8V/Phase |
| Main Circuit Specifications: Open Circuit Leakage Current | 30mA or Less(AC480V 60Hz) |
| Main Circuit Specifications: Surge ON Current (60 Hz, 1 Half-Wave Cycle Peak Value) [A] | 330 |
| Main Circuit Specifications: Tolerance I2t(A 2s) | 450 |
| Main Circuit Specifications: Trigger System | Zero Voltage Trigger System |
| Main Circuit Specifications: Making and Breaking Current Capacities [A] | 28 |
| Control Circuit Specifications: Rated Operational Voltage [V] | DC12 to 24V |
| Control Circuit Specifications: Control Circuit Input Current | 10mA(DC12 to 24V) |
| Control Circuit Specifications: Input Impedance | 1.2 to 2.4kΩ |
| Control Circuit Specifications: Closing Voltage | DC9V or Less |
| Control Circuit Specifications: Opening Voltage | DC3V or More |
| Control Circuit Specifications: Response Time | Max. 1ms+1/2 Cycle |
| Control Circuit Specifications: Operation Indicator | LED Indicator(Lights When Operating Voltage Applied) |
| Functions: Terminal Covers | No |
| Functions: Wiring Streamlining Terminal | No |
| Mounting Method | Screw Mounting |
| Terminal Screw Size: Main Circuit | M5 |
| Terminal Screw Size: Control Circuit | M3.5 |
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