IAL/CEL/LEL Series
Magnetic Circuit Protectors
Introduction 147
Poles 148
Handles 150
Configurations 154
Operating Characteristics 157
Delay Curves 159
Specifications 163
Decision Tables 165IAL/CEL/LEL Series
Hydraulic Magnetic Circuit Protectors
INTRODUCTION
IAL/IUL/IEL/LEL magnetic circuit protectors provide low-cost the LEL models are UL listed under the conditions of UL 489. Both
power switching, reliable circuit protection and accurate are CSA certified and CCC Approved. The IEL is CSA certified as
circuit control for equipment in the international marketplace. a supplementary protector per CSA C22.2No. 235.
IAL models are for those applications where the units inherent The CEL model has achieved two new enhancements, including
attributes are desired, but compliance with the various a single pole, 125 amp rating with TV approval, and a parallel
standards is not required. 4-pole version with 400 amp rating.
IUL models have been tested and approved in accordance with Airpax IAL/CEL/LEL circuit protectors are available in a wide
UL 1077 requirements for UL recognition. variety of configurations, including series, series with auxiliary
switch, shunt and relay with choice of delays and ratings in DC
IEL/LEL models are VDE approved to VDE 0660, part 101. They and/or 50/60Hz or 400Hz versions. Single or multi-pole versions
meet IEC spacing requirements, mandatory for equipment are available with a variety of pole arrangements to meet your
which must comply with IEC specifications 601 and 950, and specifications. Please see the appropriate product specification
VDE specifications 0804 and 0805. In addition, the IEL models table for ratings and limitations.
are UL recognized to UL 1077 as supplementary protectors and
IAL Series - Introduction
147