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circuit breaker/interruption

Miniature circuit breakers meet requirements for high voltage applications

February 6, 2024 By Redding Traiger

c3controls has launched a new line of Direct Current (DC) Miniature Circuit Breakers (MCBs), specifically designed for higher voltage applications with DC currents.  The new line of Series 1110 DC MCBs feature an industry-best rating of 250V DC per-pole, far greater than the highest per-pole ratings currently available from comparable DC MCBs, which top out […]

Filed Under: Aerospace, Automotive, circuit breaker/interruption, Development Tools, Industrial, Robotics Tagged With: c3controls

TTape: A simple way to monitor Li-ion battery-pack temperature

January 18, 2024 By Martin Rowe

Littelfuse TTape

A set of temperature-triggered switches alerts you to hot batteries. Li-ion batteries can get hot, which can cause failures or worse in the products they power. Thus, it’s important to monitor their temperature and act before damage occurs. You can monitor temperature with a set of thermocouples, scan them, and write software to produce an […]

Filed Under: batteries, Battery Management, circuit breaker/interruption, EV Engineering, Sensors, Switches, Thermal management Tagged With: littelfuse

Surface-mount low-current circuit breaker doubles as a thermal cutoff

November 8, 2023 By Redding Traiger

Bourns, Inc. announced its smallest surface mount mini-breaker TCO device. The Bourns Model SW mini-breaker has a 4.7 mm x 2.8 mm footprint with a height of just 0.94 mm. Designed to control abnormal, excessive temperature virtually instantaneously, up to rated limits, the Model SW mini-breaker is an optimal overtemperature protection solution for a wide range of applications that include […]

Filed Under: circuit breaker/interruption, Development Tools, LED Lighting, Power Components, Terminal blocks, Thermal management, Wireless Tagged With: bournsinc

Design tips for high-voltage protection in EVs and hybrids

July 27, 2022 By Michael Zimmermann

EV circuit protection

The primary goal of EV protective circuits: Keep vehicle occupants safe day-to-day and first-responders protected if the worst happens. Michael Zimmermann, Littelfuse, Inc. The 12-V automotive battery may become a relic of the past as electric vehicles (EV) and hybrid cars gain market share. EVs and hybrid vehicles use battery packs of at least 500-V […]

Filed Under: circuit breaker/interruption, EV Engineering, FAQ, Featured, Fuses, Power Components Tagged With: FAQ, littelfuse

New varistors incorporate built-in thermal disconnect, electric arc shield

March 2, 2021 By Lee Teschler

littelfuse

The LST Varistor series is constructed with a proprietary thermally protected varistor technology (TMOV) developed by Littelfuse. This new varistor incorporates both a built-in thermal disconnect function and electric arc shield. This combination provides additional robust protection to prevent catastrophic failure and fire hazard even under the extreme circumstances of abnormal overvoltage conditions or varistor […]

Filed Under: circuit breaker/interruption, Power Components, varistors Tagged With: littelfuse

Power relays switch up to 300-A loads in vehicular applications

June 17, 2020 By Lee Teschler

ETA

E-T-A power relays are for switching high current loads up to 300 A as well as battery management in buses, trucks, construction machinery, agricultural vehicles and forestry equipment and specialty vehicles. The power relays are made with high-end and corrosion-proof materials, making them extremely robust and able to withstand environmental factors like shock, vibration, water […]

Filed Under: circuit breaker/interruption, Power Components Tagged With: E-T-Acircuitbreakers

Tech guide details ground fault detection methods

November 8, 2019 By Lee Teschler

NK Technologies Ground Fault Tech Guide

NK Technologies (www.nktechnologies.com) has released a new educational resource for engineers. The Ground Fault Considerations Tech Guide covers a wide range of topics and includes an easy-to-use selection guide, as well as a variety of case studies and application examples. Highlights include: • Ground fault detection basics • Ground fault sensing basics • Consolidated ground […]

Filed Under: circuit breaker/interruption, Power Components Tagged With: nktechnologies

Heilind Electronics now stocking Mersen circuit protection products

February 4, 2019 By Aimee Kalnoskas

Mersen circuit protection

Heilind Electronics is now stocking circuit protection products from Mersen — a global expert in electrical power and advanced materials. Mersen offers a comprehensive suite of surge protection solutions designed to cover every voltage need within a facility. Most notably, the manufacturer’s Surge-Trap devices feature fail-safe overvoltage protection with industry-leading TPMOV technology. These devices are designed […]

Filed Under: circuit breaker/interruption, Fuses, Power Components, Power Supply News Tagged With: heilindelectronics, mersen

Battery protection devices boost LiP and prismatic battery safety

September 10, 2018 By Aimee Kalnoskas

MHP-TAC protection devices

Littelfuse Inc. had introduced the introduced MHP–TAC (Metal Hybrid PPTC – Thermal Activated Compact) Series Resettable Over-temperature Protection Devices, the latest addition to its line of battery min-breakers. These devices connect a PPTC (Polymeric Positive Temperature Coefficient) device in parallel with a bimetal protector (a resettable thermal cut-off device) to protect the high-capacity lithium-ion polymer […]

Filed Under: circuit breaker/interruption, Power Components Tagged With: littelfuse

New e-commerce site offers current sense shunts and fuse block products

September 5, 2018 By Aimee Kalnoskas

Riedon has announced the industry’s first e-commerce site dedicated to the rapid sourcing of current sense shunt and fuse block product lines. Shunts.com is designed to significantly simplify the identification and purchase of shunts and fuse blocks for use in a wide variety of commercial, industrial, aerospace, transportation, instrumentation, renewable energy and medical applications. Orders placed on […]

Filed Under: circuit breaker/interruption, Power Components Tagged With: riedon, shunts.com

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