Square D 1-Phase Surge Protection Device, 120/240VAC | CAI - SQUARE D

Reliable surge defense for everyday power needs

Power fluctuations happen in many environments—storms, switching loads, or noisy lines can impact sensitive electronics. The Square D 1-Phase Surge Protection Device is built for 120/240 VAC systems and fits a compact footprint, delivering a dependable layer of protection without adding clutter. It emphasizes straightforward setup, a clear LED status indicator, and a crisp, unobtrusive presence that blends with residential and small commercial spaces. This unit is well suited for protecting computers, networking gear, audio-visual setups, and other everyday electronics where stable power matters.

Key specifications at a glance

• 1-phase protection for 120/240 VAC circuits
• Continuous load capability up to 25 A
• Voltage protection ratings: 700 V (L-N), 1200 V (L-L)
• Nominal discharge current: 10 kA
• Joules energy rating: 1304 J
• Max surge current per phase: 36 kA; per mode: 36 kA
• Short circuit current rating: 25 kA
• Standards: UL 1449 3rd Edition, CSA C22.4
• Enclosure: plastic, NEMA 4X rated
• Mounting style: chase nipple
• Indicator: LED status for protection at a glance

What this means in practice: this device is designed to handle higher-energy surges while remaining compact enough for tight spaces. Its ratings suggest it is capable of absorbing significant transient energy and signaling protection status clearly, which can help you monitor and maintain critical equipment more confidently. The nonmodular, nonfiltering design keeps installation straightforward and reduces potential maintenance concerns over time.

Why choose Square D for surge protection

With a focus on reliability and broad compatibility, this surge protection device supports essential 1-phase applications and integrates cleanly with standard B-type outlets. The 4X-rated enclosure adds a level of durability for varied environments, while the LED indicator provides quick visibility of system health. For customers balancing cost, form factor, and protection, this unit presents a practical option that aligns with widely used electrical standards.

In real-world settings, you might install this protector near computers, AV gear, or other sensitive electronics on 120/240 VAC circuits. Its compact size, sturdy plastic body, and straightforward mounting help simplify retrofits or new installations alike. Consider it as a protective layer within a broader power-management strategy, offering the possibility of reduced disruption from power events without promising guaranteed outcomes.