The gnl-4000ae/be come with European standards which are use in countries with 220/240 volt AC lines. It' s designed as a PRO rack power conditioner; It has special output plugs on the back which you then plug in to your internal power supply units with the normal iec connector end into your unit. Gnl-4000ae/be is loaded with 12 iec outlets (10 rear and 2 front panel), also features a 10-AMP circuit breaker, surge protection, peak voltage clamping and rfi/EMI filtering to provide clean, uninterrupted power. The front panel houses 2 LED lamps with dimmer control for rack illumination. Front panel digital LED meter displays incoming AC line voltage on gnl-4000ae model only.
Front panel outlet: EMI/rfi filtered, spike/surge protected and switched outlets.

Outlet switch: Lighted power switch activates protection and filtration to all black outlets
And front panel outlets.
Circuit breaker: Resettable 10 AMP thermal circuit breaker.
Digital voltmeter readout: Displays incoming line voltage.
2 retractable rack lights.
Light switch: Activates rack illumination. Choose "hi" or " low" intensity.
Power cord: 6 foot heavy duty u-grounded 14-gauge power cord.
Rear outlets: EMI/rfi filtered, spike/surge protected and switched outlets.
"e" version come with European standards with iec sockets
The light of front panel 's column have two version ( the gnl-4000ae and gnl-4000be are
For lamp version and gnl-4000ae LED and gnl-4000be LED are "LED" version)

Spec:
Current rating 15 a
Operating voltage 90 to 140 vac
Over voltage shutdown 140 vac typically
Spike protection modes line to neutral, zero ground leakage
Response time 1 nanosecond
Maximum surge current 6, 500 a
Dimensions 4.45 x 48.3 x 19cm (hwd)