
Contact for Pricing
Overview
- 5-channel pump controller or relay configuration
- Supports duplex, triplex, quadplex, pump-up/down
- Low, high, out-of-sequence alarms
- Variable time delay (2-255 seconds)
- DIN rail or surface mountable

1-1393143-3
Relay Accessories, Sockets & Clips, Printed Circuit Board, Phenolic, Printed Circuit Board, 6, Socket, Potter & Brumfield R10
1-1393143-6
Relay Accessories, Sockets & Clips, Solder, Polyester, Printed Circuit Board, 2, Socket, Potter & Brumfield R10
SCP102D24X-C02
IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pairFrequently Asked Questions
What types of pump control configurations does the PC-105 support?
The PC-105 supports duplex, triplex, and quadplex pump control, as well as pump-up and pump-down functions.
Can individual pumps be disabled for maintenance on the PC-105?
Yes, individual pumps can be disabled for repair or maintenance using the built-in DIP switches.
What is the operating supply voltage for the Littelfuse PC-105?
The Littelfuse PC-105 operates on a 120VAC supply voltage.
What is the relay output rating for general purpose use on the PC-105?
The general purpose relay output rating for the PC-105 is 7A @ 240VAC.
What is the temperature range for the PC-105 pump controller?
The PC-105 pump controller has an operating temperature range of -20° to 55°C (-4° to 131°F).
Does the PC-105 offer alarm functions?
Yes, the PC-105 can indicate low, high, and out-of-sequence alarms.
What is the maximum input power consumption of the PC-105?
The maximum input power for the PC-105 is 4W.
What mounting options are available for the PC-105?
The PC-105 is mountable on a 35 mm DIN rail or can be surface mounted using #6 or #8 screws.
How to Install the Littelfuse PC-105 Pump Controller
Step-by-step guide for mounting and wiring the PC-105 pump controller.
Estimated time: 30m
Tools needed:
Screwdriver
Supplies needed:
Mounting screws (#6 or #8 for surface mount)
- Mount the Device
Secure the PC-105 to a 35 mm DIN rail or prepare for surface mounting using #6 or #8 screws.
- Connect Power and Control Inputs
Wire the 120VAC supply voltage to the appropriate terminals. Connect control inputs (I1-I5) and common (IC) as per the application requirements.
- Wire Pump Outputs
Connect the load for each of the five pumps to the corresponding output terminals (#1 through #5).
- Configure DIP Switches
Set the internal DIP switches to configure pump control modes, time delays, and alarm functions according to your system's needs.
- Verify Connections and Operation
Double-check all wiring connections for security and correctness. Power on the system and verify the pump sequencing and alarm functions.
Frequently Asked Questions about Littelfuse
What certifications and standards do Littelfuse products comply with?
Littelfuse products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Customers can verify specific product certifications by consulting individual product datasheets on Littelfuse.com, which provide comprehensive details about standards compliance for each component.
What industries and applications are Littelfuse products used for?
Littelfuse products are critical for electrical protection and safety across multiple industrial sectors, including manufacturing, automation, power distribution, and electrical control systems. Their comprehensive product portfolio serves industries that require robust electrical protection, including motor and pump applications, solar installations, programmable logic controllers (PLCs), electrical switch panels, and critical infrastructure environments. Key product lines protect against overcurrent, voltage transients, ground faults, and temperature-related electrical risks, ensuring equipment safety and operational reliability.
What technical support does Littelfuse offer?
Littelfuse offers comprehensive technical support through multiple channels. Their Technical Hotline (800-TEC-FUSE) provides direct access to engineers who can help identify issues and recommend solutions. Additionally, Littelfuse offers extensive online Technical Resources at Littelfuse.com, including datasheets, product manuals, whitepapers, application guides, and online design tools. Their experienced product and application engineers also provide step-by-step support from design to installation.
What are the main product lines offered by Littelfuse?
Littelfuse offers comprehensive industrial protection and control product lines, including fuses, fuse holders, protection relays, temperature sensors, and electrical safety components. Their key product categories span surge protective devices, custom OEM products, electrical switch panels, medium voltage fuses, ground-fault protection relays, motor and pump protection devices, and temperature sensors. These products are designed to minimize electrical safety hazards, limit equipment damage, improve productivity, and safeguard personnel from electrical faults.
What are the key features of Littelfuse products?
Littelfuse products feature exceptional circuit protection technologies with key characteristics including UL/IEC safety standard compliance, low internal resistance, and advanced protective capabilities across multiple product lines. Their components provide critical protection for industrial systems, offering features like overcurrent protection, voltage transient suppression, and resettable protection devices with ultra-low resistance and compact designs. Key product lines include fuses, metal oxide varistors (MOVs), TVS diodes, PolySwitch devices, and specialized electronic protection components that enhance system reliability and safety.
What environmental ratings do Littelfuse products have?
Littelfuse products feature comprehensive environmental ratings, including NEMA Type 1, 2, 3, 3R, 4/4X, 12, and 13 certifications, as well as IP65 protection. These ratings ensure superior protection in diverse industrial environments, with an operating temperature range of -40°F to +131°F (-40°C to +55°C). Many products also include UV-stabilized materials and neoprene gaskets for enhanced durability in outdoor and challenging conditions.
What accessories are available for Littelfuse products?
Littelfuse offers several key accessories across their product lines, including fuse holders, voltage monitoring modules, and terminal connectors. Specific accessories include the LPSM003ZXID (indicating) and LPSM003Z (non-indicating) POWR-SAFE Dead Front fuse holders for Class CC and Midget-Style fuses, the VRM6048 voltage monitor accessory module, and female quick connect terminals (P1015 series) in various wire gauge sizes. These accessories are designed to enhance protection, monitoring, and connectivity for Littelfuse electrical components.
What is Littelfuse's warranty policy?
Littelfuse provides comprehensive warranty details on their official website at www.littelfuse.com/warranty. Customers should visit this page to review the specific warranty terms and conditions for their specific product lines. For direct warranty support or questions, customers can contact Littelfuse Technical Support at 1-800-TEC-FUSE or email [email protected].
What communication protocols do Littelfuse products support?
Littelfuse supports a comprehensive range of industrial communication protocols, including PROFIBUS, PROFINET, EtherNet/IP, DeviceNet, Modbus RTU, and CANopen. Our products provide flexible connectivity solutions across multiple industrial automation platforms, enabling seamless integration with various control systems and network architectures.
How are Littelfuse products typically installed?
Littelfuse products are typically installed using specialized mounting hardware like fuse holders, blocks, and panels designed for specific industrial applications. The POWR-SAFE Dead Front holders, for example, provide optimum protection for Class CC and Midget-Style fuses, supporting installations up to 600 VAC/DC. Installation often involves using precision terminals with strain relief, such as 0.25 in. female quick connect terminals, to ensure secure and safe electrical connections in industrial control systems.


















