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ABB TF14 Thermal Overload Relay 1 NO/1 NC 135A FLC 690V AC 3P 1SAZ431201R1003 TF140DU-135
Specifications
| Country of Origin | India |
|---|---|
| Brand | ABB |
| Length | 89mm |
| Model | TF14 |
| Depth | 126mm |
| IP Rating | IP10, IP20 |
| Width | 140mm |
| Mount Type | Under Contactor Mount |
| Series | TF14 |
| Maximum Operating Temperature | 55°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Flat |
| Supply Voltage | 690V ac |
| Contact Voltage | 440, 500V dc |
| Reset Method | Automatic & Manual |
| Normal State Configuration | 1 NO/1 NC |
| Number of Auxiliary Contacts | 2 |
| Pole and Throw Configuration | 3P |
| Control Voltage | 690V ac |
| FLC Motor Rating | 135A |
| Adjustable Current Range | 100 → 135 A |
Key Features
- Equipped with manual and automatic reset options for versatile operation.
- Features 1 normally open and 1 normally closed auxiliary contacts.
- Adjustable current range from 100 to 135 A to suit various motor protection needs.
- Designed for mounting under contactors with flat terminal types for easy installation.
- IP10 and IP20 ratings ensuring protection against limited dust ingress.
- Compliant with IEC and UL standards for safety and reliability.
- Includes TEST and STOP functions with trip indication on the front panel.
- Operates effectively within a temperature range of -25°C to 55°C.
Product Description
ABB TF14 Thermal Overload Relay model 1SAZ431201R1003 TF140DU-135 is engineered to provide robust motor protection for industrial and commercial applications operating at 690V AC in three-phase configurations with a full load current rating of 135A.
This relay supports both manual and automatic reset methods, allowing operators flexibility in handling fault conditions. It features 1 normally open and 1 normally closed auxiliary contact, enabling reliable switching and control signal integration.
Adjustable current range settings between 100 to 135 A permit precise customization for different motor sizes and protection requirements. The device is designed for under contactor mounting with flat terminal connections simplifying installation and maintenance.
The relay has IP10 and IP20 ingress protection ratings, ensuring reliability in environments with moderate dust exposure. It complies with international standards IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1, and UL 60947-1, UL 60947-4-1, guaranteeing safety and durability in operation.
Additional operational features include phase loss sensitivity, TEST and STOP functions, and front-panel trip indication for easy fault diagnosis. The device operates reliably within a temperature range of -25°C to 55°C, suitable for diverse industrial environments.
Due to its wide application scope, this thermal overload relay is ideal for use in industrial automation, manufacturing plants, HVAC systems, water treatment facilities, and other motor-driven equipment protection scenarios.
Equipped with manual and automatic reset options for versatile operation. Features 1 normally open and 1 normally closed auxiliary contacts. Adjustable current range from 100 to 135 A to suit various motor protection needs.
Designed for mounting under contactors with flat terminal types for easy installation. IP10 and IP20 ingress protection ratings ensure operational reliability. Compliant with IEC and UL standards for enhanced safety and quality assurance.
TEST and STOP functions with front trip indication aid quick fault identification. Operates in ambient temperatures ranging from -25°C to 55°C. Suitable for both three-phase and single-phase motor protection applications.
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Frequently Asked Questions
The full load current rating of this thermal overload relay is 135A.
The adjustable current range for the ABB TF14 is from 100 to 135 A.
This model has IP10 and IP20 ingress protection ratings, ensuring protection against limited dust ingress.
It is designed for under contactor mounting, which simplifies installation.
The operating temperature range for the ABB TF14 is from -25°C to 55°C.
The relay supports both manual and automatic reset methods for versatile operation.
This model features 1 normally open and 1 normally closed auxiliary contact.
The supply voltage for this thermal overload relay is 690V AC.
It complies with IEC and UL standards, ensuring safety and reliability.
The depth of this thermal overload relay is 126mm.
The width of the ABB TF14 is 140mm.
This thermal overload relay is suitable for industrial automation, manufacturing plants, HVAC systems, and water treatment facilities.
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