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LITTELFUSE Surge Protection Device: Single Phase, 240V AC, 1200V (L-N)/1200V (N-G)/2000V (L-G) - External Surface-Mount SPDs
LITTELFUSEExternal Surface-Mount SPDs

LITTELFUSE Surge Protection Device: Single Phase, 240V AC, 1200V (L-N)/1200V (N-G)/2000V (L-G)

The LITTELFUSE Surge Protection Device: Single Phase (SKU 830LR1, MPN SPDN-D240-1P) is an external surface-mount SPD with a polycarbonate enclosure. It operates at 240V AC with a maximum continuous operating voltage…

SKU 3G-OTH-21790

Brand
LITTELFUSE
Item
Surge Protection Device: Single Phase, 240V AC, 1200V
Category
External Surface-Mount SPDs
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
SPDN-D240-1P
Type
1200V (L-N)/1200V (N-G)/2000V (L-G), 4X
AC
240V
Voltage
240V AC
Includes
LED Status Indicator
Enclosure Material
Polycarbonate
Voltage Protection Rating
1200V (L-N)
Max. Continuing Operating Voltage
350 V AC
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LITTELFUSE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LITTELFUSE Surge Protection Device: Single Phase (SKU 830LR1, MPN SPDN-D240-1P) is an external surface-mount SPD with a polycarbonate enclosure. It operates at 240V AC with a maximum continuous operating voltage of 350V AC and provides a voltage protection rating of 1200V (L-N). The unit includes an LED status indicator.

Frequently Asked Questions

What is the LITTELFUSE SPDN-D240-1P surge protection device used for?

The LITTELFUSE SPDN-D240-1P is a single-phase external surface-mount surge protection device (SPD) used to protect electrical equipment from voltage spikes and transients in industrial, commercial, and residential applications. It is designed for 240V AC systems and provides coordinated protection across L-N, N-G, and L-G modes.

What are the specifications of the LITTELFUSE SPDN-D240-1P?

The LITTELFUSE SPDN-D240-1P operates at 240V AC with a maximum continuous operating voltage of 350V AC. It offers voltage protection ratings of 1200V (L-N), 1200V (N-G), and 2000V (L-G) in a 4X configuration. The unit features a polycarbonate enclosure and includes an LED status indicator for operational status.

Where to buy the LITTELFUSE SPDN-D240-1P worldwide?

You can source the LITTELFUSE SPDN-D240-1P through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine LITTELFUSE surge protection devices to procurement teams globally.

How to install the LITTELFUSE SPDN-D240-1P surge protection device?

Install the LITTELFUSE SPDN-D240-1P as an external surface-mount SPD on a 240V AC single-phase system. Mount the polycarbonate enclosure securely, connect line, neutral, and ground conductors per the wiring diagram, and verify the LED status indicator illuminates. Always follow local electrical codes and disconnect power before installation.

Used in

Common applications for LITTELFUSE
Power electronics protection — Littelfuse PSR Series semiconductor fuses for IGBT and diode protection in variable frequency drives.
Solar photovoltaic systems — Littelfuse SPF Series fast-acting fuses for string overcurrent protection in PV arrays.
Automotive electrical systems — Littelfuse MIDI® 498 Series bolt-on fuses for battery and alternator protection in vehicles.
Industrial control panels — Littelfuse KLKD Series midget fuses for branch circuit protection in control transformers and relays.
Motor control centers — Littelfuse BLF Series fast-acting fuses for short-circuit protection of motor starters and contactors.

LITTELFUSE Products

3G Electric supplies LITTELFUSE external surface-mount spds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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SOLAHD Surge Protection Device: Single Phase, 240V AC, 2 Poles, 2 + Ground Wires, L-G/L-L/L-N/N-G (MPN STFV15024L). Key specifications — Voltage: 240V AC; Number of Wires: 2 Wires + Ground; Modes of Protection: L-L; Max. Continuing Operating Voltage: 275 V AC; Short Circuit Current Rating: Not Rated; Filtering: Yes; Enclosure Material: Epoxy Encapsulated Plastic; Mounting Style: Surface.
SIEMENS Surge Protection Device: Single Phase, 120/240V AC, 1200V (L-L)/700V (L-G, L-N, N-G), Steel (MPN TPS3A12300XD2). Key specifications — Voltage: 120/240V AC; Includes: Dry Contacts; Max. Continuing Operating Voltage: 150 V AC; Voltage Protection Rating: 1200V (L-L); Enclosure Material: Steel; Max. Surge Current per Mode: 150kA (L-G; Brand: SIEMENS.
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