Relays
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Littelfuse PC-105, 5 Channel Pump-Control Switch/
Littelfuse | SKU: LF-PC-105
MSRP: $744.46Price: $494.57The PC-105 series is a five-channel pump controller designed to handle multiple pump applications. Alternatively, it can operate as a five-channel switch. The PC-105’s control functions support all of the popular industry standard multi-pump pump-up and...MSRP: $744.46Price: $494.57 -
Littelfuse ARP61S ALTERNATING RELAY
Littelfuse | SKU: LF-ARP61S
MSRP: $183.39Price: $116.03The ARP Series is used in systems where equal run time for two motors is desirable. The selector switch allows selection of alternation of either load for continuous operation. LED’s indicate the status of the output relay. This versatile series...MSRP: $183.39Price: $116.03 -
Littelfuse ARP42S ALTERNATING RELAY
Littelfuse | SKU: LF-ARP42S
MSRP: $183.39Price: $116.03The ARP Series is used in systems where equal run time for two motors is desirable. The selector switch allows selection of alternation of either load for continuous operation. LED’s indicate the status of the output relay. This versatile series...MSRP: $183.39Price: $116.03 -
Littelfuse ARP41S ALTERNATING RELAY,120V,SPDT
Littelfuse | SKU: LF-ARP41S
MSRP: $183.39Price: $100.35The ARP Series is used in systems where equal run time for two motors is desirable. The selector switch allows selection of alternation of either load for continuous operation. LED’s indicate the status of the output relay. This versatile series...MSRP: $183.39Price: $100.35 -
Littelfuse 233P-ENCL, 1-Phase Pumpsaverplus / 230V
Littelfuse | SKU: LF-233P-ENCL
MSRP: $514.41Price: $351.51The Littelfuse models 111P (115 volt, â…“ to 1hp); 233P-1.5 (230 volt, â…“ to 1.5hp); and 233P (230 volt, â…“ to 3hp) are single-phase pump monitors used in a variety of applications to protect from dry-well, dead-head, jammed impeller, rapid-cycling,...MSRP: $514.41Price: $351.51 -
Littelfuse ARP43S, Alternating Relay
Littelfuse | SKU: LF-ARP43S
MSRP: $168.17Price: $100.35The ARP Series is used in systems where equal run time for two motors is desirable. The selector switch allows selection of alternation of either load for continuous operation. LED’s indicate the status of the output relay. This versatile series may be...MSRP: $168.17Price: $100.35 -
Littelfuse 350200, 3-Phase Voltage Monitor/ 190-2
Littelfuse | SKU: LF-350200
MSRP: $342.69Price: $259.00The 350 series is a heavy-duty voltage monitor. This product should be used when high-current relays or dual contacts are required or when 480 V controls are used. Since the 350 series uses heavy-duty relays, it comes in fixed-voltage range models rather...MSRP: $342.69Price: $259.00 -
Littelfuse SPDN-D277-3Y SPD, NEMA, 50KA, 277V, WYE, NC
Littelfuse | SKU: LF-SPDN-D277-3Y
MSRP: $330.73Price: $271.93Surge protective devices (SPDs) provide equipment protection from transient overvoltage events lasting microseconds. By limiting the overvoltage to the equipment during these events, costly damage and downtime can be mitigated. The NEMA-style SPDN series...MSRP: $330.73Price: $271.93 -
Littelfuse SPDN-D120-2S SPD, NEMA, 50KA, 120V, SPLIT, NC
Littelfuse | SKU: LF-SPDN-D120-2S
MSRP: $322.46Price: $265.13Surge protective devices (SPDs) provide equipment protection from transient overvoltage events lasting microseconds. By limiting the overvoltage to the equipment during these events, costly damage and downtime can be mitigated. The NEMA-style SPDN series...MSRP: $322.46Price: $265.13 -
Littelfuse MP8000 MOTOR OVERLOAD PROTECTION 8000
Littelfuse | SKU: LF-MP8000
MSRP: $786.23Price: $727.26The MP8000 series motor protection relay is designed to protect three-phase or single-phase motors with operating voltages of 90-690 V ac (use of external potential transformers can extend upper voltage range above 690 V ac). The MP8000 protects any...MSRP: $786.23Price: $727.26 -
Littelfuse LSRX LOAD SENSOR/ SELF-POWERED/ 5-2
Littelfuse | SKU: LF-LSRX
MSRP: $81.88Price: $75.74The LSRX/LSRX-C Series are AC current sensors designed to energize the output contact whenever 4.5 Amps or greater is present. The LSRX/LSRX-C Series is used commonly as an AC current proof relay to indicate if a motor is operating. It can also be used...MSRP: $81.88Price: $75.74 -
Littelfuse ARP41 ALTERNATING RELAY
Littelfuse | SKU: LF-ARP41
MSRP: $124.13Price: $116.03The ARP Series is used in systems where equal run time for two motors is desirable. The selector switch allows selection of alternation of either load for continuous operation. LED’s indicate the status of the output relay. This versatile series may be...MSRP: $124.13Price: $116.03 -
Littelfuse AR120A-3095 ALTERNATING RELAY
Littelfuse | SKU: LF-AR120A-3095
MSRP: $159.80Price: $127.84The ARP Series is used in systems where equal run time for two motors is desirable. The selector switch allows selection of alternation of either load for continuous operation. LED’s indicate the status of the output relay. This versatile series may be...MSRP: $159.80Price: $127.84 -
Littelfuse ALT230-X-SW CROSS-WIRED ALT REL/ 195-250V/
Littelfuse | SKU: LF-ALT230-X-SW
MSRP: $111.27Price: $104.01The ALT Pump Controls series is used to alternate between two loads and is commonly used in duplex pump-up and pump-down applications to balance the run-time of both pumps. The ALT relays have a built-in debounce time delay that prevents the relay from...MSRP: $111.27Price: $104.01 -
Littelfuse ALT115-X-SW CROSS-WIRED ALT REL/ 95-125V/
Littelfuse | SKU: LF-ALT115-X-SW
MSRP: $99.53Price: $93.03The ALT Pump Controls series is used to alternate between two loads and is commonly used in duplex pump-up and pump-down applications to balance the run-time of both pumps. The ALT relays have a built-in debounce time delay that prevents the relay from...MSRP: $99.53Price: $93.03 -
Littelfuse ALT115-X CROSS-WIRED ALT RELAY/ 95-125V
Littelfuse | SKU: LF-ALT115-X
MSRP: $85.23Price: $79.67The ALT alternating relays are used to alternate between two loads. The ALT is commonly used in duplex pumping applications to balance the runtime of both pumps. The ALT-S is used in single high-level float applications. When the float switch opens, the...MSRP: $85.23Price: $79.67 -
Littelfuse ALT115-S-SW ALTERNATING RELAY/ 95-125V/ 8-
Littelfuse | SKU: LF-ALT115-S-SW
MSRP: $81.72Price: $76.39The ALT alternating relays are used to alternate between two loads. The ALT is commonly used in duplex pumping applications to balance the runtime of both pumps. The ALT-S is used in single high-level float applications. When the float switch opens, the...MSRP: $81.72Price: $76.39 -
Littelfuse ALT115-S ALTERNATING RELAY/ 95-125V/ 8-
Littelfuse | SKU: LF-ALT115-S
MSRP: $75.91Price: $70.96The ALT alternating relays are used to alternate between two loads. The ALT is commonly used in duplex pumping applications to balance the runtime of both pumps. The ALT-S is used in single high-level float applications. When the float switch opens, the...MSRP: $75.91Price: $70.96 -
LittelFuse 201A-AU SINGLE FUNCTION RELAYS & MONITORS
Littelfuse | SKU: LF-201A-AU
MSRP: $163.09Price: $131.74The FLSR series dual-element, time-delay UL Class RK5 fuses are the most widely used fuse class. They offer superior performance and excellent protection for all types of circuits, especially those with motors. Precision manufactured parts ensure an...MSRP: $163.09Price: $131.74 -
Littelfuse PLMU11 3 PHASE LINE MONITOR
Littelfuse | SKU: LF-PLMU11
MSRP: $288.87Price: $182.77The PLMU11 continuously measures the voltage of each of the three phases to provide protection for 3-phase motors and sensitive loads. Its microcontroller senses under and overvoltage, voltage unbalance, phase loss, and phase reversal. Protection is...MSRP: $288.87Price: $182.77