• High interrupting capacity
• Current limitation
• Blown-fuse indication
• Direct mount
• Clip style mount
• Bus mount
• Non-venting for silent operation
• Capacitor Protection
• Power Factor Correction
Equipment
• Harmonic Filtering Equipment
• Induction Heating System
• High Power Drive
• Welders
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Fusible Amp-Trap® A50QS Semiconductor protection
A50QS Amp-trap Form 101 fuses grew out of the need to improve the overall performance of semiconductor fuses in response to new equipment requirements. The A50QS encompasses the best protection features lower I2t to provide better protection for equipment, longer life when subjected to cyclic loading and lower watts loss. A50QS is today’s best choice for the protection of dynamic solid state equipment such as motor drives, inverters, UPS, etc.
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Fusible TRS-R - Class RK5 - Time-Delay
Tri-Onic TRS-R current-limiting time-delay fuses are engineered for overcurrent protection of motors, transformers, service entrance equipment, feeders and branch-circuits. The time-delay characteristics of the TRS-R safely handle harmless starting currents and inrush currents associated with today’s motors and transformers.
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Fusible 1250/1300 Volt PSC Square Body
• Choice of mounting styles gives wide choice for equipment design
• Broad range of ampere ratings in a given body size for design flexibility
• UL/CSA/IEC 60269-4 compliance for worldwide semiconductor
applications
OT, OTN and OTS fuses are not rejection fuses -care should be taken to ensure that replacement fuses do not have lower interrupting ratings than
original fuses.
OTN 15 through 60 satisfy the Canadian electrical code requirement for Type “P” low melting-point, non-time delay fuses.
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• Extremely high-Interrupting rating fuses
• Protection of power semiconductors according to IEC 269.1 and 4
• aR class (ratings from 50 to 525A URGG – 300 to 1050A URGH)
according to IEC 269.4
• Complies with BS 88-4
– without indicator
– with external trip-indicator
A70QS Amp-trap Semiconductor Protection fuses were developed in response to the need for improved overall performance of 700 volt semiconductor fuses for new equipment requirements. A70QS fuses have lower I²t for better protection, longer life when subjected to cyclic loading, plus lower watts loss. A70QS is the best choice to protect dynamic solid state equipment such as motor drives, UPS, etc.
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Fusible MOTOR PROTECTION Amp-Trap Bolt-In Series 5.08KV/7.2KV
• The Amp-Trap Bolt-in series are UL Recognized.
• Bolt-in mounting for direct connection to bus or terminals.
• Current-limiting for superior equipment protection.
• Metal embossed catalog number and manufacturing date for lasting identification.
• Blown-fuse indicator to give positive identification of open fuse.
Amp-Trap: 3” Barrel 2 lb tripped force – 0.50 Inch
Fusible TR-R & TRS-R Time delay/ Class RK5
Tri-Onic TRS-R current-limiting time-delay fuses are engineered for overcurrent protection of motors, transformers, service entrance equipment, feeders and branch-circuits. The time-delay characteristics of the TRS-R safely handle harmless starting currents and inrush currents associated with today’s motors and transformers.
Multi-meter fuses 10x35/10x38 FSM 1000V
Mersen has developed a true 1000VAC/DC fuse designed to protect both analog and digital multi-meters. These fuses cover all the industry’s multi-meter requirements in three easy to use amperage ratings. Good for 1000 volts AC and DC, the FSM line of Ferraz Shawmut fuses are designed for the power electronics metering and controls market.
FUSIBLE A2D-R - Class RK1 - Time-Delay
Amp-Trap 2000 SmartSpot time-delay A2D-R fuses provide IEC Type 2 “no damage” protection to existing mains, feeders, and branch circuits serving motor and non-motor loads. A2D-R fuses will open fast enough under extreme fault conditions for maximum short circuit protection to prevent damage to motor starters, switches, and other circuit components, yet also provide the time-delay needed for motor in-rush currents. A2D-R fuses can be used to replace obsolete 250V Class H, K or RK5 fuses already installed in the field.
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