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1SAZ421201R1005 — Thermal overload relay
relayPart number: 1SAZ421201R1005
ABB 1SAZ421201R1005, identified as TA200DU-175, is a three-pole thermal overload relay with a 130–175 A adjustable setting range. It provides motor overload and phase-loss protection, with selectable manual or automatic reset, one normally closed trip contact and one normally open signal contact.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ421201R1005 |
| Category | Electrical & controls |
| Time-Current Characteristic Curve | Tripping characteristic - Thermal overload relay TA200DU-175, TA200DU-175 V1000 |
| Product Net Width | 104 mm |
| Product Net Height | 151 mm |
| Product Net Depth / Length | 126 mm |
| Product Net Weight | 0.77 kg |
| Setting Range | 130–175 A |
| Rated Operational Voltage | Main circuit: 690 V AC; auxiliary circuit: 500 V AC and 440 V DC |
| Rated Operational Current (I e ) | 175 A |
| Rated Frequency (f) | Auxiliary Circuit 50 Hz |
| Rated Impulse Withstand Voltage (U imp ) | Auxiliary Circuit 6 kV |
| Rated Insulation Voltage (U i ) | 690 V |
| Number of Poles | 3P |
| Number of Auxiliary Contacts NC | 1 |
| Number of Auxiliary Contacts NO | 1 |
| Number of Protected Poles | 3 |
| Conventional Free-air Thermal Current (I th ) | Auxiliary Circuit NC 5 A |
| Rated Operational Current AC-15 (I e ) | (120 V) NC 3 A |
| Rated Operational Current DC-13 (I e ) | (125 V) NC 0.25 A |
| Degree of Protection | Housing IP20; main circuit terminals IP00 |
| Connecting Capacity Auxiliary Circuit | Flexible with Ferrule 1/2x 0.75 ... 2.5 mm² |
| Connecting Capacity Main Circuit | Hole Diameter > 10 mm² |
| Tightening Torque | Auxiliary Circuit 1 ... 1.3 N·m |
| Wire Stripping Length | Auxiliary Circuit 9 mm |
| Mounting Position | 1 ... 6 |
| Power Loss | at Rated Operating Conditions per Pole 3.8 ... 6.9 W |
| Maximum Operating Voltage UL/CSA | Main Circuit 600 V AC |
| Contact Rating UL/CSA | (NC:) B600 |
| Connecting Capacity Main Circuit UL/CSA | Flexible 1x 4-0000 AWG |
| Published component type | Thermal overload relay |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Trip Class | 10A |
| Ambient Air Temperature | Operation: −25 to +55 °C; storage: −40 to +70 °C |
| Reset Method | Selectable automatic or manual reset |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
Product questions
What is the adjustable current range of the ABB TA200DU-175?
The 1SAZ421201R1005 has an adjustable current setting range of 130–175 A. Check the motor nameplate and the application requirements before selecting the relay.
What protection and trip class does this overload relay provide?
The TA200DU-175 provides motor overload and phase-loss protection. Its trip class is 10A. Confirm the complete protection arrangement for the application.
Does the TA200DU-175 have manual and automatic reset?
Yes. The reset mode is selectable between manual and automatic. The relay also has STOP and TEST functions and a trip indication.
What auxiliary contacts and voltage ratings does this relay have?
It has one normally closed and one normally open auxiliary contact. The listed operational voltages are 500 V AC and 440 V DC for the auxiliary circuit, and 690 V AC for the main circuit; contact current ratings depend on the utilization category and voltage.
How can I check whether this relay fits my contactor?
The TA200DU-175 is listed for direct mounting on ABB A145 and A185 contactors. Check the exact contactor model, motor current and circuit ratings before ordering; provide the equipment model and serial number if fitment is uncertain.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.