Keystone 18" Round LED High Bay 59,000 Lumens 240/320/400W 4000K/5000K 120–277V J-Hook Black

Keystone KT-RHLED400PS-18C-8CSD-VDIM-P Round LED High Bay — 240/320/400W Commercial High Bay

The Keystone KT-RHLED400PS-18C-8CSD-VDIM-P is an 18" round LED high bay fixture designed for commercial and industrial high bay lighting applications. It delivers up to 59,000 lumens with field-selectable 240W / 320W / 400W and selectable 4000K / 5000K on a 120–277V platform. The fixture is rated IP65 and Wet Location for demanding environments and is optimized for 40'+ mounting heights.

Key Features:

• Selectable Wattage: 240W / 320W / 400W
• Selectable CCT: 4000K / 5000K
• Maximum Output: up to 59,000 lumens
• Voltage: 120–277V
• Dimming: 0–10V
• Controls: Keystone SmartPort receptacle for sensors and controls
• Surge Protection: 6kV built-in
• Environmental: IP65 rated, wet location
• CRI: > 80
• Rated Life: L70 > 100,000 hours @ 25°C ambient fixture temperature
• Operating Temperature: ?40°C to 60°C
• Construction: powder-coated aluminum housing with polycarbonate lens
• Optical: ribbed lens to reduce glare; low optical flicker

Typical Applications:

• Warehouses
• Distribution centers
• Manufacturing facilities
• Industrial workshops
• High-mount industrial spaces (40'+)

Performance & Light Output
Maximum delivered output is 59,000 lumens at 400W / 5000K, with other configurations including 58,500 lumens (400W / 4000K), 50,000 lumens (320W / 5000K), 49,500 lumens (320W / 4000K), 38,500 lumens (240W / 5000K), and 38,000 lumens (240W / 4000K). Efficacy ranges from 146 to 160 lm/W, and CRI is > 80.

Electrical & Controls
The fixture operates on 120–277V input and uses a 0–10V dimming LED driver. Built-in 6kV surge protection is provided, and the Keystone SmartPort receptacle supports screw-in sensor and control options.

Construction & Durability
The housing is powder-coated aluminum and the lens is polycarbonate with a ribbed profile to help reduce glare. The fixture is IP65 rated for wet locations and is specified for ?40°C to 60°C ambient operation.

Installation & Mounting
A J-hook mounting accessory is included for suspended installation, and the fixture includes a 6' cord for input and dimming wires. The SmartPort sensor receptacle supports screw-in sensor installation after removing the 1/2" knockout plug.

Included
J-hook mounting accessory and 6' cord for input and dimming wires.