Littelfuse FLEC User Manual
Power Distribution Centers
FLEC™ FLEXIBLE ELECTRICAL CENTER
Specifications
Input Terminals: (3) M8 or 3/8” input studs rated up to 100A
each (*total input current dependent on
customer-provided load matrix)
Output Terminals: (38) 1.5mm blades (for 15A fuse)
(38) 2.8mm blades (for 25A fuse)
Termination: Uses Delphi GT series terminals and connectors
(sealed)
Input Stud Torque: 12-18Nm
Mounting Torque: 6-8Nm
Materials: UL94V-0 Thermoplastic with RoHS-compliant
PCB; High-temp silicone cover gasket and stud
caps; Plated-Cu terminals
Operating Temperature Range: -40°C to 85°C
Ingress Protection Rating: IP67
Description
The Flexible Electrical Center (FLECTM) is a configurable power
distribution module for the heavy transportation (OTB) market. It
accommodates circuit protection components in a compact, sealed
footprint. Your custom electrical schematic is programmed into the
FLECTM to create a simple “plug-and-play” system.
Each program is reviewed by Littelfuse for proper ratings, thermal
loading, and application. The FLECTM mates to an industry standard
connection system to provide a robust solution for heavy duty
environments.
Contact Littelfuse for further information on FLECTM.
Features and Benefits
Cover: Twist-on cover design allows for single-hand
installation and removal
PCB: Multi-layer board allows for custom circuit
configurations
Base: Includes vent for pressure equalization
High Component Density: Accepts multiple component footprints (i.e.
MINI®, JCASE®, PCB -mount, etc.) in one
package; PCB-mount components can be
installed directly to PCB (i.e. diodes, resistors,
relays) for space and cost savings
InputProtection: MEGA® fuse can be installed across M8 input
studs to protect multiple circuits in FLECTM;
Additional MEGA-FLEX holder can be
interlocked to FLECTM for added fuse protection
Accessories: Fuse puller included in cover
Input stud caps provided (red and black)
Spare MINI® fuse positions available in cover
Cover tether included
© 2012 Littelfuse • Transportation Products Catalogwww.littelfuse.com
Power Distribution Centers
FLEC™ FLEXIBLE ELECTRICAL CENTER
Dimensions
Dimensions in mm
103.7
196.8
150.3
CONNECTOR NOTATION
INTERLOCKS FOR
MEGA-FLEX FUSE
HOLDER (02981028HXFC)
50.8
181.6
50.8
6.7
8.5
6.7
(2) 6.5
84.5
W/COVER
47.1
W/O COVER
153.3
168.5
180.0
(3) HEX NUTS
& LOCK WASHERS
6.7
6.5
2.7
(3) M8 OR 3/8-16
INPUT STUDS
(STUD CAPS AVAILABLE)
(3) 19.6
43.2
OPTIONAL INSIDE
COVER LABEL
(4) SPARE FUSE
HOLDERS
(MINI STYLE)
GASKET
INSTALLED
IN COVER
BASE PLATE VENT
FUSE PULLER
HOLDER (PULLER
SHOWN INSTALLED)
COVER TETHER
www.littelfuse.com © 2012 Littelfuse • Transportation Products Catalog
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