Eaton DH323SNRKLP Safety Switch - UL Listed, NEMA 3R, Posi-Lok
Part Number: DH323SNRKLP
Quick Summary
The Eaton DH323SNRKLP is a heavy-duty safety switch for reliable power control in industrial installations. Engineers often struggle with matching enclosure ratings, neutral switching, and quick, safe installation in space-limited panels; this model consolidates a fusible with switched neutral for safer shutdown and streamlined wiring. UL Listed certification supports code compliance, while the NEMA 3R enclosure provides protection in outdoor or harsh indoor environments. Series K design, 3P configuration, and a 100A rating deliver robust control for motor circuits and distribution feeders. With Posi-Lok for secure handle retention, this device also offers long-term reliability, reduced maintenance, and a clear path to efficient, compliant switchgear installations.
Product Information
Extended Description
DH323SNRKLP Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 100A, 240V,3P, Fusible with switched neutral, Series K, NEMA 3R, Posi-Lok
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH323SNRKLP
UPC
786685370309
Product Length/Depth
14.07 in
Product Height
51.82 in
Product Width
23.66 in
Product Weight
135 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Special features
Posi-Lok
Type
Heavy Duty, Single-Throw
Amperage Rating
100A
Number Of Poles
Three-pole
Voltage rating
240V
Enclosure
NEMA 3R
Fuse configuration
Fusible with switched neutral
Series
Series K
Commercial Distribution, Switching Devices, Volume 2, Tab 1
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
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Eaton Specification Sheet - DH323SNRKLP
Feature → Business Impact → Application: Heavy-duty, three-pole design supports 100A loads, enabling safe isolation for motor control in demanding environments and reducing unplanned downtime in manufacturing lines. Application: Industrial facilities requiring dependable power shutdowns for 3P equipment and feeders. Feature → Business Impact → Application: Fusible with switched neutral simplifies protection schemes and wiring layouts, lowering installation time and improving safety margins on control circuits. Application: Panel builders sourcing streamlined, code-compliant control devices. Feature → Business Impact → Application: Posi-Lok quick-connect handle provides secure, tactile retention under vibration and exposure to contaminants, minimizing accidental opening. Application: Outdoor or wash-down areas where mechanical reliability is critical. Feature → Business Impact → Application: NEMA 3R enclosure delivers reliable protection against rain and dust, enabling installation in exterior electrical rooms and exposed service spaces. Application: Outdoor power distribution and control panels in manufacturing yards. Feature → Business Impact → Application: Series K selection aligns with rugged switchgear ecosystems, improving compatibility with Eaton components and reducing engineering review time. Application: Retrofit projects and new builds requiring harmonized protection devices. Feature → Business Impact → Application: 240V, 100A ratings with a fusible config provide ready-to-wire protection for motor starters and feeders, delivering predictable startup and shutdown performance. Application: Motor control centers and main feeders in industrial plants. Feature → Business Impact → Application: UL Listed certification underpins compliance with safety codes, supporting procurement approvals and reducing risk during commissioning. Application: Any regulated facility aligning with electrical safety standards.
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FAQs
The DH323SNRKLP is a 3-pole, 100A, 240V safety switch in Eaton's Series K line, designed to integrate with standard low-voltage distribution and motor control assemblies. Its NEMA 3R enclosure supports outdoor or harsh indoor environments, and the Posi-Lok feature aids secure operation during panel mounting or variable-speed drives. Verify mounting dimensions, panel cutouts, and wiring terminations per Eaton installation guides to ensure seamless compatibility with your existing switchgear stack.
Posi-Lok provides a positive, tactile latch mechanism that maintains the handle in the desired position even under vibration or inadvertent contact. This reduces risk of unintended re-energization during maintenance or servicing and simplifies lockout-tagout procedures. For retrofit projects, ensure compatible handle assemblies and verify maintenance access to the handle in your control room or outdoor enclosure.
Yes. The unit uses a NEMA 3R enclosure, designed to withstand exposure to rain, dust, and mild abrasion in exterior or damp indoor locations. UL Listed certification confirms compliance with safety standards. When installing outdoors, mount with proper clearances and follow local codes for weather exposure, drainage, and maintenance access to maximize longevity.
The DH323SNRKLP is UL Listed, signaling conformity with recognized electrical safety standards and facilitating procurement approvals. The NEMA 3R enclosure rating indicates sufficient protection for indoor/outdoor environments. These certifications support safer commissioning, reduce commissioning time, and help ensure compliant installation across facilities following NEC and related regional requirements.
Owner benefits include robust protection for motor circuits, lower wiring complexity due to fusible with switched neutral, and long service life from a heavy-duty design. Routine maintenance focuses on enclosure integrity, terminal connections, and protective device status checks, with Posi-Lok ensuring reliable handle retention. The result is reduced downtime, predictable performance, and a favorable return on investment in medium to large industrial plants.