.svg&w=240){kind=small}
TH-N20SR Mitsubishi Low-voltage switchgear Thermal Overload Relay
Discontinued by Mitsubishi Electric (Factory Automation) — we can still source the original TH-N20SR (new, used or refurbished, subject to availability). Request a quote below.
Request a Quote
Quick facts
| Availability | Confirmed on request |
| Category | Mitsubishi Low-voltage switchgear – Thermal Overload Relays |
| Lifecycle | Discontinued |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
Can I still buy the TH-N20SR now that it is discontinued?
Yes. Mitsubishi Electric (Factory Automation) has discontinued the TH-N20SR, 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 TH-N20SR be shipped?
TH-N20SR 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 TH-N20SR 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 TH-N20SR 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 TH-N20SR, subject to availability and destination.
The Mitsubishi Electric TH-N20SR is a thermal Overload Relay in the Low-voltage switchgear. Overload Protection Adjustment Range of Setting Current:0.2 to 18A 3-Pole 2-Element. Mitsubishi Electric has discontinued it (2017/02 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 | 2017/02 Discontinued (Mitsubishi Electric) |
| Outline | Overload Protection Adjustment Range of Setting Current:0.2 to 18A 3-Pole 2-Element |
Specifications
| Product Specification | With Saturable Reactor Type |
| Rated Insulation Voltage Ui [V] | 690 |
| Elements | 2 |
| Protection Mode | Overload Protection |
| Adjustment Range of Setting Current [A] | 0.2 to 18 |
| Heater Designation [A]: Category-1 | 0.24 to 15 |
| Combined Magnetic Contactor Frame: Category-1 | N20,N21,N25,N35 |
| Rated Operating Current [A]: AC Coil Load (Category AC-15) Make Contact: AC24V | 2 |
| Rated Operating Current [A]: AC Coil Load (Category AC-15) Make Contact: AC120V | 2 |
| Rated Operating Current [A]: AC Coil Load (Category AC-15) Make Contact: AC240V | 1 |
| Rated Operating Current [A]: AC Coil Load (Category AC-15) Make Contact: AC550V | 0.5 |
| Rated Operating Current [A]: AC Coil Load (Category AC-15) Break Contact: AC24V | 3 |
| Rated Operating Current [A]: AC Coil Load (Category AC-15) Break Contact: AC120V | 3 |
| Rated Operating Current [A]: AC Coil Load (Category AC-15) Break Contact: AC240V | 2 |
| Rated Operating Current [A]: AC Coil Load (Category AC-15) Break Contact: AC550V | 1 |
| Rated Operating Current [A]: DC Coil Load (Category AC-13) Make Contact: DC24V | 1 |
| Rated Operating Current [A]: DC Coil Load (Category AC-13) Make Contact: DC110V | 0.2 |
| Rated Operating Current [A]: DC Coil Load (Category AC-13) Make Contact: DC220V | 0.1 |
| Rated Operating Current [A]: DC Coil Load (Category AC-13) Break Contact: DC24V | 1 |
| Rated Operating Current [A]: DC Coil Load (Category AC-13) Break Contact: DC110V | 0.2 |
| Rated Operating Current [A]: DC Coil Load (Category AC-13) Break Contact: DC220V | 0.1 |
| Conventional Free Air Thermal Current [A] | 5 |
| Minimal Applicable Load | 20V 5mA |
| Contact Arrangements (Valid) | 1NO1NC |
| Function: Terminal Covers | No |
| Function: Wiring Streamlining Terminal | No |
| Independent Mounting | Available |
| Terminal Screw Size: Main Circuit (Power Side) | M4 |
| Terminal Screw Size: Main Circuit (Load Side) | M4 |
| Terminal Screw Size: Operating Circuit | M3.5 |
Downloads & documentation
Official documents from Mitsubishi Electric (Factory Automation), downloaded directly from the manufacturer.
Data sheets & manuals
| Magnetic Contactors and Magnetic Starters MAINTENANCE AND INSPECTION MANUAL MS-T Series (IB) | PDF · 3.81MB |
More Mitsubishi Electric (Factory Automation) parts
Available on requestTH-N20FS Mitsubishi Low-voltage switchgear Thermal Overload Relay
Available on requestTH-N20KF Mitsubishi Low-voltage switchgear Thermal Overload Relay
Available on requestTH-N20KP Mitsubishi Low-voltage switchgear Thermal Overload Relay
Available on requestTH-N20KPSR Mitsubishi Low-voltage switchgear Thermal Overload Relay
Available on requestTH-N20TA Mitsubishi Low-voltage switchgear Thermal Overload Relay
Available on requestTH-N20TACX Mitsubishi Low-voltage switchgear Thermal Overload Relay
Available on requestTH-N20TACXFS Mitsubishi Low-voltage switchgear Thermal Overload Relay
Available on requestTH-N20TACXKF Mitsubishi Low-voltage switchgear Thermal Overload Relay