Catalogue reference. Availability, exact specification and OEM or aftermarket supply are confirmed in your quotation.
1SAZ211201R2047 — Thermal overload relay
relayPart number: 1SAZ211201R2047
ABB 1SAZ211201R2047, type TA25DU-19M, is a thermal overload relay with a 13–19 A adjustable current range and class 10A trip characteristic. It provides motor overload and phase-failure protection, selectable manual or automatic reset, and one normally closed trip contact and one normally open signal contact. It connects directly to suitable block contactors; verify the contactor and application before ordering.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ211201R2047 |
| Category | Electrical & controls |
| Time-Current Characteristic Curve | Tripping characteristic - Thermal overload relay TA25DU-19, TA25DU-19 V1000 |
| Product Net Width | 44 mm |
| Product Net Height | 80 mm |
| Product Net Depth / Length | 94 mm |
| Product Net Weight | 0.17 kg |
| Rated Operational Voltage | Main circuit: 690 V AC; 440 V DC |
| Rated Operational Current (I e ) | 19 A |
| Rated Frequency (f) | Auxiliary Circuit 50 Hz |
| Number of Poles | 3 |
| 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 |
| Degree of Protection | Housing IP20; main circuit terminals IP10 |
| Connecting Capacity Auxiliary Circuit | Flexible 1/2x 0.75 ... 2.5 mm² |
| Connecting Capacity Main Circuit | Flexible with Ferrule 1x 0.75 ... 4 mm² |
| Wire Stripping Length | Auxiliary Circuit 9 mm |
| Power Loss | at Rated Operating Conditions per Pole 1.1 ... 2.3 W |
| Maximum Operating Voltage UL/CSA | Main Circuit 600 V AC |
| Contact Rating UL/CSA | (NC:) B600 |
| Connecting Capacity Main Circuit UL/CSA | Flexible 1/2x 16-8 AWG |
| Connecting Capacity Auxiliary Circuit UL/CSA | Flexible 1/2x 18-14 AWG |
| Tightening Torque UL/CSA | Auxiliary Circuit 12 in·lb |
| Ambient Air Temperature | Operation: -25 to +55 °C; compensated operation: -25 to +55 °C; storage: -40 to +70 °C |
| Maximum Operating Altitude Permissible | 2000 m |
| Resistance to Shock acc. to IEC 60068-2-27 | 25g 2 shocks 13 ms |
| Published component type | Thermal overload relay |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Overload current setting range | 13–19 A |
| Trip class | 10A |
| Reset mode | Selectable manual or automatic |
| Protection functions | Motor overload and phase failure |
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 current range and trip class does ABB 1SAZ211201R2047 have?
The TA25DU-19M has an adjustable overload current range of 13–19 A and trip class 10A. Check the motor nameplate and the application requirements before selecting a relay.
What motor faults does the TA25DU-19M protect against?
This thermal overload relay is designed for motor protection against overload and phase failure. Confirm the complete motor protection scheme for the installation.
Does the TA25DU-19M have manual and automatic reset?
Yes. The reset mode is selectable between manual and automatic. The relay also has a trip indication and STOP and test functions.
How does the 1SAZ211201R2047 mount, and what contacts does it provide?
It connects directly to suitable block contactors; a separate mounting kit is available as an accessory. It has one normally closed trip contact and one normally open signal contact. Confirm the contactor model and equipment serial number before ordering.
What main-circuit voltage is the TA25DU-19M rated for?
The listed main-circuit operational ratings are 690 V AC and 440 V DC. The listed UL/CSA maximum operating voltage is 600 V AC; verify the applicable rating for the installation.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.