Littelfuse Industrial Automation Spare Parts

The Littelfuse SMBJ series is a specialized line of products designed to safeguard sensitive electronic equipment from voltage transients, such as those induced by lightning and other transient voltage events. These devices are engineered with precision to provide robust protection against sudden spikes in electrical energy that can damage or destroy critical components.The SMBJ36A, a part of this series, is specifically designed for applications where the risk of voltage transients is high. It offers reliable and efficient protection, ensuring the integrity of your electronic systems even in challenging environments.

The SP0504S has ultra low capacitance rail-to-rail diodes with an additional zener diode fabricated in a proprietary silicon avalanche technology to protect each I/O pin providing a high level of protection for electronic equipment that may experience destructive electrostatic discharges (ESD). These robust diodes can safely absorb repetitive ESD strikes at the maximum level (Level 4) specified in the IEC 61000-4-2 international standard without performance degradation. Their very low loading capacitance also makes them ideal for protecting high speed signal pins such as HDMI, DVI, USB2.0, and IEEE 1394.

Products within the SP1001 series have been qualified to AEC-Q101, and are appropriate for use in Automotive applications. Zener diodes fabricated in a proprietary silicon avalanche technology protect each I/O pin to provide a high level of protection for electronic equipment that may experience destructive electrostatic discharges (ESD). These robust diodes can safely absorb repetitive ESD strikes above the maximum level specified in the IEC 61000-4-2 international standard (Level 4, ±8kV contact discharge) without performance degradation. Their very low loading capacitance also makes them ideal for protecting highspeed signal pins.

The SMBJ series is a specialized product designed to safeguard sensitive electronic equipment from voltage transients, particularly those induced by lightning and other transient voltage events. This series is known for its robust protection capabilities, ensuring the integrity of your electronic systems in challenging environments.The SMBJ18A model is a part of this series, offering advanced surge protection that adapts to varying electrical conditions. It's equipped with state-of-the-art technology to provide reliable and efficient protection against voltage surges, ensuring the longevity and performance of your electronic devices.This product is ideal for applications where transient voltage events are a concern, such as data centers, telecommunications equipment, and other critical infrastructure. Its compact design and easy installation make it a versatile choice for various industries.

The SP3003 has ultra low capacitance rail-to rail diodes with an additional zener diode fabricated in a proprietary silicon avalanche technology to protect each I/O pin providing a high level of protection for electronic equipment that may experience destructive electrostatic discharges (ESD). These robust diodes can safely absorb repetitive ESD strikes at the maximum level specified in the IEC 61000-4-2 international standard (Level 4, 8KV contact discharge) without performance degradation. Their very low loading capacitance also makes them ideal for protecting high speed signal pins such as HDMI, DVI, USB2.0, and IEEE 1394.

The 215 SP Series is 5x20mm, ceramic base, time-lag type single pigtail cartridge fuse. It is designed to complement the existing 215 Series traditional pigtail fuses. The 215SP Series fuse has one cap at each terminal side. By doing away with conventional overcapping, 215SP Series is a fuse with a more compact footprint.

The Littelfuse KLK030 Midget Fuse is designed to provide reliable overcurrent protection in a compact form factor. With a 30 ampere rating, this fast-acting fuse is ideal for applications requiring quick response to short circuits and overloads.Key Features:Fast-acting response600V AC and 500V DC voltage ratingHigh interrupting rating of 100 kA @ 600 VdcPerfect for:Industrial machineryElectrical panelsControl systems

Secure your electrical circuits with the Littelfuse 498921-1 Inline MIDI® Fuseholder, designed for robust overcurrent protection. This versatile fuseholder is engineered specifically for use with boltdown MIDI® style fuses, providing a reliable and compact solution for in-line cable protection.The 498921-1 can be installed directly within the cable run, requiring no additional mounting hardware, which simplifies integration and saves space. For applications demanding enhanced splash resistance, the fuse holder can be easily used with heat shrink tubing. Its unique curved cover design is a key feature, specifically engineered to prevent tube-splitting during heat shrink application, ensuring a clean and effective seal. This Littelfuse inline fuseholder is an ideal choice for automotive, marine, and other DC power distribution applications where efficient, compact, and protected fusing is required.

The SE-330HV Series functions as a sophisticated monitoring relay that assesses the integrity of the neutral-to-ground path. It continuously evaluates neutral current, neutral-to-ground voltage, and neutral-to-ground resistance to ensure the neutral-grounding resistor (NGR) remains intact. An open NGR compromises ground-fault protection, potentially leading to incorrect assessments of system functionality.This relay is suitable for use with both low- and medium-voltage transformers and generators, accommodating low- or high-resistance grounding in various applications, including processing, manufacturing, chemical production, pulp and paper, petroleum, and water treatment facilities. For high-voltage applications, the SE-330HV is recommended. Additionally, for compliance with Australian standard AS/NZS 2081.3:2002, the SE-330AU variant is available.With dimensions of 8.4H x 3.9W x 5.8D, the device provides a range of specifications that include an analog output current of 4-20 mA, relay contacts with one Form A, one Form B, and two Form C configurations, and a supply voltage range of 65-265 VAC and 85-275 VDC. It also features USB communication and has received multiple approvals including CSA, UL, CE, and C-Tick.

The TMOV25S Series includes a thermal metal oxide varistor (MOV) designed to tolerate specific AC line operating voltages. Exceeding these voltages due to prolonged abnormal over-voltage conditions may lead to overheating and potential damage to the MOV. This series incorporates a patented thermally responsive element that will disconnect the varistor during overheating incidents caused by such voltage events. Based on the UltraMOV™ 25S Series, the TMOV25S Series meets the surge suppressor component recognition requirements outlined in UL 1449 3rd Edition for both cord-connected and permanently connected TVSS end products. The UL1449 3rd Edition approval for this series, particularly concerning the integrated thermal element, is pending, with product release anticipated for the summer of 2011. Notable specifications include a maximum AC voltage rating of 420V and a peak pulse current rating of 20,000A. The varistor exhibits a maximum clamp voltage of 1100V and typifies a capacitance of 820pF. This series is suited for applications requiring reliable surge protection in electrical systems.

The Sensitive Gate Silicon Controlled Rectifier (SCR) is a glassivated PNPN component, optimized for high-volume consumer applications. It is particularly suited for systems requiring reliable operation in temperature control, light regulation, speed management, process automation, remote control, and warning functionalities.This device features a maximum gate trigger current (IGTMAX) of 0.2 mA, enabling efficient operation. With an on-state current (Itrms) rating of 4 A and a non-repetitive surge current (ITSM 60Hz) capability of 20 A, it provides robust performance under varying load conditions. The gate trigger voltage (VGTMAX) is maintained at 0.8 V, and it has a repetitive peak off-state voltage (VDRM) of 400 V, ensuring compatibility with a wide range of applications.

The Littelfuse SMBJ series is a specialized product designed to safeguard sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Key Features: Specifically engineered for protecting sensitive electronic devices Provides robust protection against voltage surges caused by lightning strikes and other transient voltage events

The Littelfuse 498921-2 MIDI - 498-IL is an innovative inline MIDI® fuse holder engineered for robust and reliable circuit protection. Designed to accommodate bolt-down MIDI® style fuses (specifically the 498 series), this fuse holder offers exceptional versatility and ease of installation.Key Features:In-Line Design: Uniquely designed for direct inline installation with cables, eliminating the need for additional mounting hardware. This "no mounting required" feature simplifies wiring and reduces installation time.Enhanced Splash Resistance (Optional): For applications demanding greater protection against moisture and environmental elements, the fuse holder can be seamlessly integrated with heat shrink tubing.Optimized Cover Design: The holder features a cleverly curved cover, meticulously designed to prevent tube-splitting during the application of heat shrink tubing, ensuring a secure and durable seal.High Ampere Rating: Capable of handling a substantial 200 Amperes, making it suitable for a wide range of demanding electrical systems.Versatile Voltage Compatibility: Rated for both 32 VAC and 32 VDC, offering flexibility for various AC and DC applications.Dedicated Fuse Type: Specifically engineered for use with MIDI® (498) type fuses, ensuring optimal performance and compatibility.The Littelfuse 498921-2 is an ideal solution for applications requiring a compact, highly reliable, and easily integrated fuse holder with excellent protection capabilities, particularly where space is limited and direct cable installation is preferred.

The D0920 Arc Detection Unit is a high-speed arc-detection device for electrical power-distribution systems. The D0920 supports up to three point sensors (A0220) mounted in a switchboard, and requires a 230 Vac supply. On the occurrence of an arc fault, the D0920 detects the fault and pulses the trip output in less than 1 ms. The fast trip time reduces the risk of personal injury and equipment damage. The D0920 is typically supplied from the switchboard main power. The AC voltage may fail when an arc fault develops. The D0920 uses energy stored in an internal capacitor to trip the circuit breaker. The storage capacitor is an extremely long-life electrolytic capacitor with a specified life time of more than 30 years at an ambient temperature of 50°C (121°F). The trip energy stored is sufficient for circuit breakers with a 220/250 Vdc shunt trip coil. The D0920 has one output indication relay with an isolated normally-open contact, and one output indication relay with an isolated normally-closed contact. Additional features include power and trip indication, test mode, and sensitivity adjustment.

The Littelfuse SMBJ series is specifically designed to safeguard sensitive electronic equipment against voltage transients caused by lightning and other transient voltage events. This series of products is a testament to Littelfuse's commitment to providing robust protection for critical systems.

The Littelfuse 0217.500 Fast-Acting Glass Fuse is a 5x20mm cartridge fuse designed to meet stringent IEC specifications. This fuse is ideal for protecting electronic circuits against overcurrent conditions. With its fast-acting characteristic, it ensures quick response to overcurrent situations, minimizing potential damage to sensitive components. The glass body construction provides clear visibility of the fuse element, allowing for easy inspection and replacement.Engineered for reliability, the 0217.500 fuse operates efficiently within a wide temperature range of -55°C to 125°C. It features a nominal melting I2T of 0.219 A2sec and a resistance of 0.2065 ohms, ensuring precise and consistent performance. The fuse is marked with F500mAL250V, indicating its fast-acting nature and voltage rating of 250V.This fuse is suitable for both AC and DC applications, with an interrupt amperage of 35A and an interrupt voltage of 250V. It complies with international standards, making it a dependable choice for various industrial and electronic applications.

The Littelfuse 3031-20 Glass Fuse Holder from the 3031 Series is designed to accommodate SFE and AGC (3AG) glass fuses up to 20 amps, making it ideal for accessory circuits. This in-line fuse holder features an 8" (203mm) looped 14 AWG GPT wire lead, which is easy to cut and strip for straightforward installation. The holder is equipped with large brass contacts to ensure a reliable connection with the installed fuse. Additionally, a positive twist-lock seal helps prevent accidental opening, enhancing safety and reliability.The red nylon housing of the 3031-20 has a UL 94 V-2 flammability rating, making it suitable for automotive conditions. This product is not recommended for new designs but remains a dependable choice for existing applications requiring a robust fuse holder solution.Applications: This fuse holder is ideal for accessory circuits in automotive and other environments where reliable fuse protection is essential.Features and Benefits:Compatible with SFE and AGC (3AG) glass fuses up to 20 amps (sold separately)8" (203mm) looped 14 AWG GPT wire lead for easy in-line installationPositive twist-lock seal to prevent accidental openingLarge brass contacts for reliable connectionRed nylon housing with UL 94 V-2 flammability rating

The 354 OMNI-BLOK Series fuse block provides a low profile solution with individual barriers that support the fuse clips, minimizing the risk of clip damage while enhancing safety against electrical shock. The design allows for self-alignment of clips to the fuse cap, contributing to a reliable connection. A one-piece clip and terminal configuration ensures low contact resistance, which is crucial for maintaining performance under load.This model supports higher current ratings achieved through the use of spring brass clips, making it suitable for a variety of applications. The unit features a molded base for mounting and operates at a voltage of 600 VAC and 600 VDC. Notably, multiple pole units can be separated to achieve the desired number of poles, except for the two-pole variant. The fuse block is compatible with 3AG/3AB fuses (6.3x32mm) and has an ampere rating of 20.

The HAZGARD Series Fuse, model 581060, is specifically engineered for overcurrent protection in equipment such as forklifts and other low voltage machines operating in hazardous locations. With an ampere rating of 60 A and capable of handling up to 48 VAC and 48 VDC, this fuse is UL 248 recognized and suitable for UL 583 type EE and ES applications.One notable feature of this fuse is its unique design, which eliminates the need for an explosion-proof enclosure, thereby reducing assembly costs. The fast-acting opening mechanism ensures reliable performance, with a substantial interrupting rating of 2500 A at 48 VDC. This makes it a suitable choice for lift trucks, scissor lifts, pallet movers, and various other battery-operated low voltage equipment.

The Potential Transformer Series 1/2E8PT8.25 incorporates current limiting fuses that are specifically engineered to safeguard potential transformers. With an ampere rating of 0.5 A and a voltage capacity of 8250 VAC, this series effectively manages high interrupting ratings, rated at 50000 A at 8250 VAC.When implementing these fuses for transformer protection, it is crucial to account for the magnetizing current inrush. Information on the characteristics of this inrush, which can be aligned with the fuse’s time-current curve, is typically provided by the transformer manufacturer. This ensures optimal performance and reliability within electrical systems.