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RS PRO High Power Metal Oxide Varistor 1.9 nF, Clamping 680 V, Varistor Voltage 400 V 240-179

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RS PRO High Power Metal Oxide Varistor 1.9 nF, Clamping 680 V, Varistor Voltage 400 V 240-179

Name: RS PRO High Power Metal Oxide Varistor 1.9 nF, Clamping 680 V, Varistor Voltage 400 V 240-179
Brand: RS PRO
SKU: 85076
Price: 34.6 USD
Availability: InStock

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Category Varistor Brand RS PRO Condition New

Specifications

Country of Origin	United Kingdom
Diameter	32mm
Brand	RS PRO
Operating Temperature Range	-40°C → +85°C
THICKNESS	4mm
Model	240-179
Series	High Power
Energy Rating	180J
Maximum Operating Temperature	85°C
Capacitance	1.9nF
Minimum Operating Temperature	-40°C
Maximum dc Voltage	370V dc
Maximum AC Voltage	275V ac
Clamping Voltage VC	680V
Maximum Surge Current	10kA
Varistor Voltage	400 V

Key Features

High power metal oxide varistor suited for reducing high-energy transient voltage spikes in industrial power applications.
Repeatable protection capability against transient voltages, ensuring reliable performance in surge protection circuits.
Features a 1.9 nF capacitance, with maximum AC voltage rating of 275 V and DC voltage rating of 370 V.
Constructed with a high-mass, large-diameter zinc oxide element for durability and effective energy absorption.
Operational temperature range from -40°C to +85°C, suitable for harsh and demanding environments.
Clamping voltage of 680 V and energy rating of 180 J support robust surge handling capacity.
Insulated plastic case allows for flat surface mounting and easy installation in distribution bus-bar systems.
Maximum surge current rating of 10 kA for exceptional transient handling.

Product Description

RS PRO 240-179 is a high power metal oxide varistor engineered to offer robust transient voltage spike protection in demanding industrial power applications. With a capacitance of 1.9 nF, this varistor provides superior clamping performance and surge protection, rated for a clamping voltage of 680 V and varistor voltage of 400 V.

The device is constructed using a high-mass, large-diameter zinc oxide element, ensuring repeatable and reliable suppression of voltage surges. Its compact 32 mm diameter and 4 mm thickness allow for seamless integration into power distribution systems, particularly where space is limited and transient protection is critical.

This varistor is capable of handling a maximum surge current of 10 kA, with an energy rating of 180 J, making it suitable for high-energy industrial settings. Its operational range from -40°C to +85°C ensures dependable performance across varied environmental conditions. The insulated plastic case is designed for flat surface mounting, facilitating installation in distribution bus-bar mounting systems.

RS PRO 240-179 supports both AC and DC applications, with a maximum AC voltage rating of 275 V and DC voltage rating of 370 V. It is a single-fixing type component, providing flexibility in mounting for diverse surge protection configurations.

While it does not carry automotive standard or specific approvals, it is intended for general industrial use, protecting sensitive equipment from voltage spikes, overvoltages, and related disturbances typically encountered in power generation, distribution, automation, and control panels.

Typical industrial applications include electrical panels, power distribution boards, surge protection modules, and equipment requiring reliable overvoltage mitigation. Its high surge current capacity and robust energy absorption ensure that both equipment lifespan and operational reliability are enhanced.

Explore RS PRO high power metal oxide varistors and other surge protection solutions in the Varistors category at EnvMart.

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Frequently Asked Questions

The clamping voltage of this model is 680 V, providing effective protection against transient voltage spikes.

It has a maximum surge current rating of 10 kA, ensuring robust transient handling capabilities in industrial applications.

The capacitance of this unit is 1.9 nF, which contributes to its surge protection performance.

This model has a maximum AC voltage rating of 275 V and a maximum DC voltage rating of 370 V, making it suitable for both AC and DC applications.

The operational temperature range is from -40°C to +85°C, allowing it to function effectively in harsh environments.

The energy rating of this varistor is 180 J, indicating its capacity for energy absorption during transient events.

This model has a diameter of 32 mm and a thickness of 4 mm, making it compact for integration into power distribution systems.

It features an insulated plastic case designed for flat surface mounting, facilitating easy installation in distribution bus-bar systems.

It is suitable for use in electrical panels, power distribution boards, and surge protection modules, protecting sensitive equipment from voltage spikes.