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1SAZ911201R1005 — Thermal overload relay
relayPart number: 1SAZ911201R1005
ABB 1SAZ911201R1005 is the TF96-87 three-pole thermal overload relay, with a 75–87 A adjustable setting and class 10 trip characteristic. It provides motor overload and phase-loss protection, with selectable manual or automatic reset, temperature compensation and trip indication.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ911201R1005 |
| Category | Electrical & controls |
| Ex Operating Instructions | ATEX - Operating instructions for thermal overload relay TF96 for potentially explosive areas |
| Time-Current Characteristic Curve | Tripping characteristic - Thermal overload relay TF96-87 |
| Product Net Width | 69.9 mm |
| Product Net Height | 106.9 mm |
| Product Net Depth / Length | 106.3 mm |
| Product Net Weight | 0.52 kg |
| Setting Range | 75–87 A |
| Rated Operational Voltage | Auxiliary circuit: 600 V AC/DC; main circuit: 690 V AC or 440 V DC |
| Rated Operational Current (I e ) | 87 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 6 A |
| Rated Operational Current AC-15 (I e ) | (120 V) NC 3 A |
| Rated Operational Current DC-13 (I e ) | (125 V) NC 0.55 A |
| Degree of Protection | Housing: IP20; main circuit terminals: IP10 |
| Connecting Capacity Auxiliary Circuit | Flexible with Ferrule 1/2x 0.75 ... 2.5 mm² |
| Connecting Capacity Main Circuit | Flexible with Ferrule 1/2x 6 ... 35 mm² |
| Tightening Torque | Auxiliary Circuit 1 ... 1.2 N·m |
| Wire Stripping Length | Auxiliary Circuit 9 mm |
| Mounting Position | 1 ... 6 |
| Power Loss | at Rated Operating Conditions per Pole 2.9 ... 3.9 W |
| Maximum Operating Voltage UL/CSA | Main Circuit 600 V AC |
| Contact Rating UL/CSA | (NC:) B600 |
| Published component type | Thermal overload relay |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Trip Class | 10 |
| Reset Mode | Selectable manual or automatic 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Catalogue information may contain errors or be out of date.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 current range and trip class does the ABB TF96-87 provide?
ABB 1SAZ911201R1005 is the TF96-87, with an adjustable current setting of 75–87 A and trip class 10. Check the motor nameplate and protection requirements before selection.
Which contactors can the TF96-87 mount on?
ABB lists the TF96-87 for AF80 and AF96 contactors and offers a separate mounting kit for TF96 relays. Verify the installed contactor and equipment details, including the serial number where applicable, before ordering.
Does the TF96-87 protect against phase loss, and how is it reset?
The relay is intended for motor overload and phase-loss protection. Manual or automatic reset is selectable, and a front trip indication is provided.
Does this overload relay also provide short-circuit protection?
The TF96-87 is an overload relay; ABB lists a separate short-circuit protective device for it. Have the complete protection arrangement checked against the applicable ABB documentation and installation requirements.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.