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Electrical Equipment, Components, and Supplies

Electrical Relays And Accessories

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    Alternating Relay

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Showing 577-588 of 1,100 results

Littelfuse T2500.0060 - Overcurr & Shrt Cir 230V5A Ext out relay. The T2500 is a high quality Over-Current and Short-Circuit relay intended for protection against thermal damage and faults caused by excessive currents. The T2500 can be used to protect generators, power transmission lines and various types of consumer supplies. The T2500 monitors two levels of current and trips the circuit breaker when one of these two levels has been exceeded continuously for a time period (defined by an adjustable delay). The T2500 will support the connection of up to three phases, but will react on the largest of these three measurements. The current measurements are done through external current transformers (CTs) – typically with a secondary current of 5A. The Over-Current function can be adjusted to trip within the range of 0.5 to 1.4 x I (input current). The delay of the Over-Current function can be set between 3 to 30 seconds. The Short-Circuit function operates within the range of 1.0 to 4.0 x I. The Short-Circuit delay can be set between 0.1 and 1 second. The T2500 will react on the highest of the three input currents. The Pick-up LED will ignite as soon as the level is exceeded, while the relay is activated only after the delay has passed.
Littelfuse · Relay Series

T2500.0060


Overcurr & Shrt Cir 230V5A Ext out relay. The T2500 is a high quality Over-Current and Short-Circuit relay intended for protection against thermal damage and faults caused by excessive currents. The T2500 can be used to protect generators, power transmission lines and various types of consumer supplies. The T2500 monitors two levels of current and trips the circuit breaker when one of these two levels has been exceeded continuously for a time period (defined by an adjustable delay). The T2500 will support the connection of up to three phases, but will react on the largest of these three measurements. The current measurements are done through external current transformers (CTs) – typically with a secondary current of 5A. The Over-Current function can be adjusted to trip within the range of 0.5 to 1.4 x I (input current). The delay of the Over-Current function can be set between 3 to 30 seconds. The Short-Circuit function operates within the range of 1.0 to 4.0 x I. The Short-Circuit delay can be set between 0.1 and 1 second. The T2500 will react on the highest of the three input currents. The Pick-up LED will ignite as soon as the level is exceeded, while the relay is activated only after the delay has passed.

Contact for Pricing

Littelfuse T2800.0060 - OvercurrentOrEarth Fault Relay240/240V1A. The T2800 has a broad application as an earth fault – or single phase over current detection relay, it has a wide setting range for protection, control or monitoring. The relay detects the magnitude of the current and, on exceeding the preset value, an output relay will be activated after a preset time delay. Available in many versions, varying in supply voltage, measuring currents, and functions.
Littelfuse · Relay Series

T2800.0060


OvercurrentOrEarth Fault Relay240/240V1A. The T2800 has a broad application as an earth fault – or single phase over current detection relay, it has a wide setting range for protection, control or monitoring. The relay detects the magnitude of the current and, on exceeding the preset value, an output relay will be activated after a preset time delay. Available in many versions, varying in supply voltage, measuring currents, and functions.

Contact for Pricing

Littelfuse T2800.0120 - Overcurrent, Earth Fault Relay. The T2800 has a broad application as an earth fault – or single phase over current detection relay, it has a wide setting range for protection, control or monitoring. The relay detects the magnitude of the current and, on exceeding the preset value, an output relay will be activated after a preset time delay. Available in many versions, varying in supply voltage, measuring currents, and functions.
Littelfuse · Relay Series

T2800.0120


Overcurrent, Earth Fault Relay. The T2800 has a broad application as an earth fault – or single phase over current detection relay, it has a wide setting range for protection, control or monitoring. The relay detects the magnitude of the current and, on exceeding the preset value, an output relay will be activated after a preset time delay. Available in many versions, varying in supply voltage, measuring currents, and functions.

Contact for Pricing

Littelfuse T3200.0050 - Insulation Monitoring Relay. 100/110V. The Insulation Monitoring Relay T3200 is intended for continuous insulation monitoring on three phase insulated networks on board ships. The relay monitors continuously two systems galvanically separated from each other, e.g. the busbar and the lighting system, or two busbar systems. The unit features two output relays for alarm purposes and two analogue outputs for instrument reading. The instrument is not included with the relay. Instruments are available from as standard sized switchboard component.
Littelfuse · Relay Series

T3200.0050


Insulation Monitoring Relay. 100/110V. The Insulation Monitoring Relay T3200 is intended for continuous insulation monitoring on three phase insulated networks on board ships. The relay monitors continuously two systems galvanically separated from each other, e.g. the busbar and the lighting system, or two busbar systems. The unit features two output relays for alarm purposes and two analogue outputs for instrument reading. The instrument is not included with the relay. Instruments are available from as standard sized switchboard component.

Contact for Pricing

Littelfuse T2800.0010 - OvercurrentOr Earth Fault Relay. 230V 5A. The T2800 has a broad application as an earth fault – or single phase over current detection relay, it has a wide setting range for protection, control or monitoring. The relay detects the magnitude of the current and, on exceeding the preset value, an output relay will be activated after a preset time delay. Available in many versions, varying in supply voltage, measuring currents, and functions.
Littelfuse · Relay Series

T2800.0010


OvercurrentOr Earth Fault Relay. 230V 5A. The T2800 has a broad application as an earth fault – or single phase over current detection relay, it has a wide setting range for protection, control or monitoring. The relay detects the magnitude of the current and, on exceeding the preset value, an output relay will be activated after a preset time delay. Available in many versions, varying in supply voltage, measuring currents, and functions.

Contact for Pricing

Littelfuse A0033.0030 - Detector Cable 20m
Littelfuse · Relay Series

A0033.0030

A0033.0030


Detector Cable 20m

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Littelfuse 5SHT-500-E - Industrial Current Sensors CURRENT TRANSFORMER 50:5 1VA
Littelfuse · Relay Series

5SHT-500-E

5SHT-500-E


Industrial Current Sensors CURRENT TRANSFORMER 50:5 1VA

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Littelfuse T2600.0060 - Dual Current Relay100/110V5A30sec or1sec. The T2600 determines load depending start and stop level of the diesel generator. When load increases on the running diesel generators more than e.g. 90percent adjustable, for a preset time, a start signal to call for the standby diesel generator will be provided. If the load decreases more than e.g. 45percent adjustable, for a preset time, a stop signal will be provided to dismiss one of the diesel generators. The T2600 can serve an installation with up to three diesel generators. The number of diesel generators can be extended.
Littelfuse · Relay Series

T2600.0060


Dual Current Relay100/110V5A30sec or1sec. The T2600 determines load depending start and stop level of the diesel generator. When load increases on the running diesel generators more than e.g. 90percent adjustable, for a preset time, a start signal to call for the standby diesel generator will be provided. If the load decreases more than e.g. 45percent adjustable, for a preset time, a stop signal will be provided to dismiss one of the diesel generators. The T2600 can serve an installation with up to three diesel generators. The number of diesel generators can be extended.

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Littelfuse T2900.0090 - Differential Current Relay. The T2900 offers protection of generators against differential currents. Visual indication of power, pick-up and relay tripping. High precision digital countdown timer for delayed output. Normal function upon loss of supply due to built-in energy source.
Littelfuse · Relay Series

T2900.0090


Differential Current Relay. The T2900 offers protection of generators against differential currents. Visual indication of power, pick-up and relay tripping. High precision digital countdown timer for delayed output. Normal function upon loss of supply due to built-in energy source.

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Littelfuse T3000.0040 - T3000 Frequency Relay. 415/480V. The T3000 is intended for effective frequency surveillance on generators, busbar or other distribution systems. The relay contains the functions “under frequency” and “over frequency” time delayed, and 2 individual output relays, one relay for each function.
Littelfuse · Relay Series

T3000.0040


T3000 Frequency Relay. 415/480V. The T3000 is intended for effective frequency surveillance on generators, busbar or other distribution systems. The relay contains the functions “under frequency” and “over frequency” time delayed, and 2 individual output relays, one relay for each function.

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Littelfuse T3100.0030 - Voltage Relay 230V. The T3100 is intended for effective voltage surveillance on generators, busbar or other distribution systems. The relay contains the functions “under voltage” and “over voltage” time delayed, and 2 individual output relays, one relay for each function.
Littelfuse · Relay Series

T3100.0030


Voltage Relay 230V. The T3100 is intended for effective voltage surveillance on generators, busbar or other distribution systems. The relay contains the functions “under voltage” and “over voltage” time delayed, and 2 individual output relays, one relay for each function.

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Littelfuse T3100.0040 - Voltage Relay. 31 415/480V. The T3100 is intended for effective voltage surveillance on generators, busbar or other distribution systems. The relay contains the functions “under voltage” and “over voltage” time delayed, and 2 individual output relays, one relay for each function.
Littelfuse · Relay Series

T3100.0040


Voltage Relay. 31 415/480V. The T3100 is intended for effective voltage surveillance on generators, busbar or other distribution systems. The relay contains the functions “under voltage” and “over voltage” time delayed, and 2 individual output relays, one relay for each function.

Contact for Pricing

Showing 577-588 of 1,100 results