Littelfuse LS7R03202PS00L - DC SWITCH 1500VDC 320A 2P
Littelfuse

LS7R03202PS00L

UPC: 079458293425

Documents & Media
BrochureTechnical DrawingComputer-Aided (CAD) ModelSpecification Sheet

Contact for Pricing

Overview

The Littelfuse LS7R03202PS00L is a high-performance, energy-efficient, and compact 1500 VDC disconnect switch designed for critical power isolation in demanding industrial applications. Engineered by Littelfuse, a trusted leader in circuit protection, this 2-pole switch ensures safe and reliable operation in high-voltage DC systems, offering robust protection against shock hazards during circuit isolation or repair. This disconnect switch features a patented operation system that minimizes arc damage upon disconnection, significantly enhancing product reliability and longevity. Its streamlined design eliminates the need for external bridging links, which not only lowers heat dissipation for increased energy efficiency but also reduces installation and maintenance time. The compact footprint provides added design flexibility, making it suitable for space-constrained environments. High-level disconnection insulation acts as a reliable barrier, preventing conduction when the switch is in the off position, thereby ensuring enhanced safety for personnel and equipment. Key features and benefits of the LS7R03202PS00L include: * **Enhanced Reliability & Longevity:** Patented operation system minimizes arc damage. * **Energy Efficiency & Reduced Footprint:** Streamlined design eliminates external jumpers, lowering heat and installation time. * **Superior Safety:** High-level disconnection insulation and self-extinguishing/non-flammable materials (UL 94 V-0). * **Consistent Performance:** Self-cleaning blade contacts prevent performance degradation due to increased electrical resistance. * **Robust Short-Circuit Capability:** Internally-located "sandwich-type" 2-contact symmetrical design mitigates electromagnetic forces. The LS7R03202PS00L is built to meet stringent industry standards, including UL 98B and IEC 60947-3. It boasts a total voltage rating of 1500 VDC and an amperage rating of 320 A, with a Short Circuit Current Rating (SCCR) of 10 kA. The switch operates effectively within an ambient temperature range of -20 to 50 °C (-4 to 122 °F). Its insulation voltage rating (Ui) is 1500 VDC, and it has an impulse withstand voltage rating (Uimp) of 12 kV. The operational current rating for DC21B is 320 A / 1500 VDC. Power losses at 320 A are a mere 13.55 watts. This versatile DC disconnect switch finds extensive application across various high-voltage DC sectors: * **Solar/PV Systems:** Ideal for combiner boxes, recombiner boxes, and inverters. * **Energy Storage Systems:** Used for disconnecting batteries, including containerized battery solutions. * **Oil & Gas:** Suitable for DC drives. * **Railway:** Employed as earthing switches and for battery disconnection. * **UPS Systems:** Facilitates switching and isolation of batteries. * **Electric Vehicle Chargers:** Essential for safe power management. Constructed with a durable plastic housing and silver-plated copper terminals, the LS7R03202PS00L is designed for base mounting using screws. It meets UL 94 flammability requirements and is RoHS compliant. Approvals include UL 98B & UL 94, UL Guide WHVA, UL Listed E511898, NEC Article 690 for PV systems, IEC-60947-3, CE, and EAC. The product originates from Spain. For seamless installation, the recommended accessory is the Panel Handle with Shaft LDSSA11. Choose the Littelfuse LS7R03202PS00L for unparalleled safety, efficiency, and reliability in your critical high-voltage DC power management needs.
  • 1500 VDC Total Voltage Rating and 1500 VDC Insulation Voltage Rating (Ui)
  • 320 A Amperage Rating and 320 A Operational Current Rating (DC21B)
  • Patented operation system minimizes arc damage for increased reliability
  • Streamlined design eliminates external jumpers for energy efficiency and reduced footprint
  • Self-cleaning blade contacts ensure consistent performance over product lifespan
  • Meets UL 98B, UL 94 V-0 flammability, IEC 60947-3, CE, and EAC standards
  • Ideal for Solar/PV, Energy Storage, Railway, UPS, and EV Charger applications

Specifications

Amperage Rating
320 A
Brand Name
Littelfuse
Connection Type
Screw Terminal
Current Rating
320 A
Material
Plastic, Silver-plated Copper
Mounting Type
Base Mounting with Screws
Poles
2P
Series
LS7R
Sub Brand
Dc Disconnect Switches
Voltage Rating
1500 VDC
Power supply for DIN-rail

PS-60

Power supply for DIN-rail
N3 SCREW COVER - 10X10X6 - GRA

C3SC10106GY

N3 SCREW COVER - 10X10X6 - GRA
ACS380 AC Drive, 3-380-480V In, 3HP, 6A, Type OPEN, 1.5 overload, Integrated, HxWxD 6.69x2.76x7.52 in, Module

ACS380-040S-07A2-4

ACS380 AC Drive, 3-380-480V In, 3HP, 6A, Type OPEN, 1.5 overload, Integrated, HxWxD 6.69x2.76x7.52 in, Module
BK63H 1P B2A 10kA 120/240VAC UL1077

0626030563

BK63H 1P B2A 10kA 120/240VAC UL1077
MC-50a AC120V 50/60Hz SCREW 1a1b (Metasol) EXP (MC50A-30-11-K7-S-E)

1338006700

MC-50a AC120V 50/60Hz SCREW 1a1b (Metasol) EXP (MC50A-30-11-K7-S-E)
GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)

1270040900

GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)
Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

1SNK705010R0000

Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.
Pushbuttons. 104P heavy duty Oiltight Pushbutton. Nameplate. XN1B PR.No. CR100699

CR104PXN1B

Pushbuttons. 104P heavy duty Oiltight Pushbutton. Nameplate. XN1B PR.No. CR100699
General Electric Control Products. Nema Power Devices. Ol Relay 610F8364

CR324E610F

General Electric Control Products. Nema Power Devices. Ol Relay 610F8364
C.BREAKER TMAX XT2N 125 UL/CSA FIXED THREE-POLE WITH FRONT TERMINALS AND THERMOMAGNETIC RELEASE TMA R 90 I3=450...900 A

XT2NU3090BFF000XXX

C.BREAKER TMAX XT2N 125 UL/CSA FIXED THREE-POLE WITH FRONT TERMINALS AND THERMOMAGNETIC RELEASE TMA R 90 I3=450...900 A
The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.

NNC75X75WH2

The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.
HPS Open Style Control Transformer, 150VA 240x480V-120x240V 50/60Hz

C2G0150MQMJ

HPS Open Style Control Transformer, 150VA 240x480V-120x240V 50/60Hz

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.