Eaton CHSPT1ULTRA Surge Protection Device - UL 1449
Part Number: CHSPT1ULTRA
Quick Summary
Eaton CHSPT1ULTRA is a plug-on module surge protector for service entrances and panels. Many engineers face nuisance trips and equipment damage caused by transient surges, especially in facilities with sensitive electronics and HVAC controls. This Type 1 SPD delivers rapid response to heavy fault currents while fitting compact, permanent installations in a NEMA 4 enclosure. UL 1449 certification underpins its safety and performance, ensuring protection against high-energy surges, while its 50 kA one-time surge rating and 20 kA nominal discharge current provide reliable defense for critical loads. By combining a compact footprint with dependable protection, it supports proactive maintenance programs and reduces long-term downtime in commercial and industrial environments.
Product Information
Extended Description
CHSPT1ULTRA Eaton: Eaton SPD CHSP Service Entrance Surge Protection, Type 1, 50kA one time surge current rating, Single-phase
Product Name
Eaton Type CH plug on module surge protection device
Catalog Number
CHSPT1ULTRA
UPC
786685436821
Product Length/Depth
1 in
Product Height
1 in
Product Width
1 in
Product Weight
0.93 lb
Warranty
1 year
Certifications
UL 1449
Catalog Notes
20kA nominal discharge current. Has 50kA one time surge current rating.
Type
Type 1
Frequency rating
50/60 Hz
Voltage rating
120/240 V
Enclosure
NEMA 4
Phase
Single-phase
Surge current
50kA
Mounting Method
Permanent
Interrupt rating
200 kAIC
Maximum continuous operating voltage
150 V L-N, 300 V L-L
Nominal discharge current 8x20us (In)
20 kA
Operating voltage
L-L 300, L-N 150
Short-circuit current rating
200 kA
Voltage protection rating
1000 V L-L, 600 V L-N
Residential and Light Commercial, Surge Protection, Volume 1 Tab 2
Eaton Specification Sheet - CHSPT1ULTRA
Feature: Type 1 surge protection rated at 50 kA on1e-time with 20 kA nominal discharge (In). Business Impact: Delivers robust first-line defense against high-energy surges, reducing equipment damage and downtime. Application: Ideal for service entrances and panel protection where reliability is critical. The CHSPT1ULTRA supports quick-response protection for critical loads in commercial facilities and industrial sites, helping facilities pass safety inspections and minimize unexpected downtime. Feature: 120/240 V single-phase operation with 50/60 Hz compatibility. Business Impact: Fits common U.S. electrical systems without reconfiguration, streamlining procurement and install time. Application: Service entrances, switchgear, and feeder panels in offices, data centers, and light industrial spaces. Feature: NEMA 4 rated enclosure and permanent mounting. Business Impact: Withstands moisture and dust, enabling installation in harsh environments without additional housings. Application: Outdoor or damp-location service entrances and protected areas. Feature: Compact 1 in x 1 in x 1 in footprint and 0.93 lb weight. Business Impact: Simplifies retrofits and minimizes enclosure space impact, reducing installation costs. Application: Replacement in existing CH series layouts or new builds. Feature: UL 1449 certification and 1-year warranty. Business Impact: Supports compliance documentation and supplier reliability, lowering total cost of ownership. Application: Procurement, QA reviews, and maintainable long-term protection for critical electrical systems.
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FAQs
CHSPT1ULTRA is designed for permanent mounting in a NEMA 4 enclosure. It supports 120/240 V single‑phase systems at 50/60 Hz, with a compact 1 x 1 x 1 in footprint and a weight of 0.93 lb. Use proper integration with CH-style panels, ensure secure mounting, and verify UL 1449 compliance for your protection strategy.
Yes. CHSPT1ULTRA is a Type 1 surge protection device rated for single‑phase operation at 120/240 V and 50/60 Hz, with L-L protection up to 300 V and L-N protection up to 150 V, suitable for service entrances and panel applications.
CHSPT1ULTRA features a 50 kA one-time surge current rating, a 20 kA nominal discharge current (In), and a 200 kAIC interrupt rating, delivering strong protection for critical loads against high-energy surges.
The device is UL 1449 certified, providing recognized safety and performance assurance for surge protection devices. It also carries a 1-year warranty and is designed for use in a NEMA 4 enclosure to handle outdoor or damp environments.
By reducing nuisance trips and protecting critical equipment, CHSPT1ULTRA lowers downtime, extends asset life, simplifies compliance documentation, and improves overall reliability for service entrances in commercial and industrial environments.