Product Family Overview The XB Series offers a complete
terminal block system with a universal range of
accessories. Marking, bridging and
testing accessories are standardized
across the different clamping technologies
-- reducing inventory and logistics
costs. The modular terminal block
design allows for use of the different
terminal block types together or
individually, providing the highest
degree of flexibility.
Application Description The metal portion of the XB Series
terminal blocks are made from high-grade,
strain-crack and corrosion proof
copper alloys. They won’t experience
any electrolytic corrosion or rusting,
even when moisture is present. The
metal surfaces are protected with a
lead-free, galvanic nickel or tin plating.
The good electrical conductivity permits
only a low temperature rise. The
Polyamide 6.6 housings allow for
operating temperatures up to 125°C
and are certified for inflammability
Class V0 in accordance with UL 94.
Flexible plug-in bridge system
-- All three technologies (Screw, Spring and
IDC) use the same bridge system,
allowing for individual potential distribution
and quickly bridged connections
among the same terminal block
type or across different types. The
XB Series terminal blocks have two bridge
shafts arranged in one line, making
flexible chain bridging and skip bridging
between non-adjacent terminal
blocks possible. Plug-in bridges are
available from 2 to 50 positions.
Reducing bridges are also available to
connect a larger terminal block to a
Large surface area for marking
-- All XB Series terminal blocks have generously
sized surface areas for labeling.
This allows for clearly labeled wiring
which results in reduced start-up time
and simplifies activities such as testing
and maintenance. There are provisions
for marking individual terminal
blocks and end stops, strips of
terminal blocks, and large groups
of terminal blocks.
Standardized testing system
-- All test plugs make contact in one of the
easily accessible bridge shafts. A
2.3 mm diameter test plug is available
for individual measuring wires.
Modular test plugs are also available
for more advanced testing.
The XBUT-F screw connection fuse terminal blocks perform two functions.
They act as a fuse carrier for most common North American and
European fuses and they allow for potential distribution with the
double bridge shaft. The terminal blocks therefore allow bypass
routing of two separate potentials next to each other. This has the
advantage of a time-saving potential infeed and a correct, functional
configuration of the terminal strip. For signaling a triggered fuse,
fuse terminal blocks with light indicators are available (for both AC
and DC voltage).
Ordering Example: (1) XBUT4FBE Black, 6.2 mm (0.24, ¥1,555