
LR5557
E63810
IEC Terminal Blocks
Specialty Blocks
203
Thomas & Betts Electronics/OEM Division Tel: 901-252-7766 Fax: 901-252-1312
DESCRIPTION / APPLICATION
The BCF4 Series quick connect
blocks
speed
installation
with
vibration free connections.
The RB10 compression clamp sliding
link switch blocks are designed for
applications where frequent isolation
from live voltage is necessary such as
monitoring
power
mains
or
calibrating meters.
DESIGN ADVANTAGES
Both Series:
Rugged polyamide (nylon) housing
UL94V-0 rated
Universal mount — allows for
mounting on all standard DIN rails
Provides convenience of fast and
vibration resistant connections
BCF4:
Accepts Thomas & Betts STA-
KON female quick connects
RB10:
Sliding-link with captive screw for
convenient disconnect
Easy and positive test pin insertion
Dual marking system identifies
circuit
and
its
electrical
characteristics
Low and high partition plates
permit selective jumpering
Self-locking tubular clamp terminal
design
PHYSICAL PROPERTIES
HOUSING: Polyamide 6/6
FLAMMABILITY RATING: UL94V-0
ELECTRICAL PROPERTIES
DIELECTRIC STRENGTH: Dry 2500 Volts/mil, moist
2000 Volts/mil
CTI (COMPARATIVE TRACKING INDEX): >600V
ENVIRONMENTAL PROPERTIES
CHEMICAL RESISTANCE: Resistant to lubricants,
engine fuels, hydraulic fluids, coolants, refriger-
ants, solvents, cleaners aliphatic and aromatic
hydrocarbons, salts and alkalis
OPERATING TEMPERATURE RANGE:
-30° C to + 115° C, (-22° F to +239° F)
OXYGEN INDEX: 34
MOISTURE ABSORPTION AT 73°F: 50% RH—2.6 +
0.3
BCF4:
CONTACTS
Material (BCF Series)
CONDUCTOR: brass, tin plated
SCREW: Steel yellow chromate coated
CAGE: Steel yellow chromate coated
TERMINAL BLOCK
SCREW SIZE, MM
BCF4
–
BCF4C
M 3x8,1
RB10
M 4 x 9,8
Material (RB10)
CONDUCTOR: copper, tin plated
CAGE: steel, yellow chromate coated
SLIDING LINK CONDUCTOR: copper, tin plated
SLIDING LINK SCREW:
steel, zinc plated
SCREW: steel, yellow chromate coated
RB10:
SPECIALTY BLOCKS