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Siemens Overload Relay Direct Mount 3P 80A FLC 1 NO/1 NC Screw Terminals IP20 Reset Automatic & Manual 3RB3133-4WB0

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Siemens Overload Relay Direct Mount 3P 80A FLC 1 NO/1 NC Screw Terminals IP20 Reset Automatic & Manual 3RB3133-4WB0

Name: Siemens Overload Relay Direct Mount 3P 80A FLC 1 NO/1 NC Screw Terminals IP20 Reset Automatic & Manual 3RB3133-4WB0
Brand: Siemens
SKU: 145761
Price: 462.16 USD
Availability: InStock

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Category Overload Relay Brand Siemens Condition New

Specifications

Country of Origin	Czech Republic
Brand	Siemens
Length	55mm
Model	3RB3133-4WB0
Depth	103.3mm
IP Rating	IP20
Width	98.9mm
Mount Type	Direct
Series	3RB
Maximum Operating Temperature	60°C
Minimum Operating Temperature	-25°C
Terminal type	Screw
Contact Voltage	230V ac
Reset Method	Automatic & Manual
Normal State Configuration	1 NO/1 NC
Relay Contact Current	80A
Number of Auxiliary Contacts	2
Pole and Throw Configuration	3P
FLC Motor Rating	80A
Adjustable Current Range	20 → 80 A

Key Features

Equipped with automatic and manual reset methods for flexible operation.
Designed with an IP20 rating to protect against solid objects and safe for industrial environments.
Adjustable current range from 20 to 80 A to suit various motor protection needs.
Supports motor overload protection in three-phase AC networks with 50/60 Hz frequency.
Includes 2 auxiliary contacts for control and signaling purposes.
Temperature operating range from -25°C to 60°C ensuring reliable performance across conditions.
Compact dimensions with width of 98.9 mm, length 55 mm, and depth 103.3 mm for easy panel mounting.
Compliance with international standards including CCC, CE, UL, CSA, IEC series and others.

Product Description

Siemens 3RB3133-4WB0 overload relay is a direct mount, three-pole protection device designed for motor overload safeguarding in industrial and automation applications. It supports a full load current rating of 80A and has a contact configuration of 1 normally open (NO) and 1 normally closed (NC) auxiliary contact with screw terminals for secure wiring.

This relay offers both automatic and manual reset functionalities which allows users to choose the best method according to application and safety requirements. With an adjustable current range from 20 to 80 amperes, it is suitable for various motor sizes and operating conditions.

Its IP20 ingress protection rating provides adequate protection against accidental contact and solid foreign objects, making it suitable for indoor industrial environments. The device is built to function reliably within a temperature range from -25°C to 60°C, accommodating various ambient conditions.

Physical dimensions of the relay are 98.9 mm in width, 55 mm in length, and 103.3 mm in depth, facilitating installation in control panels without occupying excessive space. The device meets rigorous international safety and quality standards such as CCC, CE, EAC, IEC 60068-2-27 testing, UL, and CSA certifications, ensuring compliance with global automation requirements.

Automatic and manual reset methods included. Adjustable current setting for motor overload protection. Compact design for space-saving installation. High reliability in industrial and commercial applications. Compliance with multiple international standards for safety.

Suitable for protection of three-phase AC motors in sinusoidal 50/60Hz networks. Not suitable for single phase or DC loads.

This overload relay is ideal for use in electrical automation, manufacturing lines, HVAC systems, and other industrial motor control applications. Its reliable overload protection helps prevent motor damage caused by excessive current.

Explore more Overload Relays and contactors on EnvMart to find suitable solutions for your industrial automation needs.

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Frequently Asked Questions

The overload relay has an adjustable current range from 20 to 80 A, allowing it to be suitable for various motor protection needs.

This model has an IP20 rating, providing protection against solid objects but not against water, making it suitable for indoor industrial environments.

The maximum operating temperature for this overload relay is 60°C, ensuring reliable performance in various ambient conditions.

It includes 2 auxiliary contacts, configured as 1 normally open (NO) and 1 normally closed (NC), for control and signaling purposes.

The contact voltage rating for this relay is 230V AC, suitable for use in various industrial applications.

This overload relay offers both automatic and manual reset methods, providing flexibility in operation according to user needs.

The dimensions of this model are 98.9 mm in width, 55 mm in length, and 103.3 mm in depth, allowing for easy panel mounting.

It supports direct mounting, making it convenient for installation in control panels without requiring additional hardware.

The minimum operating temperature for this overload relay is -25°C, allowing it to function reliably in colder environments.

No, this overload relay is not suitable for single-phase or DC loads; it is designed specifically for three-phase AC networks.

This overload relay complies with multiple international standards including CCC, CE, UL, CSA, and IEC series, ensuring safety and quality.

The relay has a pole and throw configuration of 3P, indicating it is designed for three-phase applications.