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ALPHA FIX Terminal Blocks
Terminals with Spring-Loaded Connection
Introduction
12/3
Siemens ET A1 · 10/2008
12
Compact isolating blade terminals
12/58 Compact terminals up to 2.5 mm² with small longitudinal
dimensions and isolation of circuits, e.g. for test pur-
poses
Compact isolating terminals
12/60 Compact terminals up to 2.5 mm² with small longitudinal
dimensions and isolation of circuits, e.g. for test pur-
poses
Compact two-tier terminals
12/62 Compact terminal blocks up to 4 mm², which can
accommodate installation of two connecting cables
8WA terminals
Through-type terminals
12/67 Connection of incoming and outgoing cables up to
35 mm
2
Neutral isolating terminals
12/72 Connection of neutral isolating terminal to neutral busbar
3 mm × 10 mm
Two-tier terminals
12/74 Compact terminal blocks up to 4 mm², which can
accommodate installation of two connecting cables
Fuse terminals
12/76 Terminals up to 4 mm² that protect, e.g. control circuits
Terminals for components
12/77 Terminals up to 4 mm² that enable installation of compo-
nents in the circuit
Diode terminals
12/78 Terminal blocks (2.5 mm² and 4 mm²) with integrated
diodes or isolation for test purposes
Sliding-link terminals
12/79 Terminal blocks with 2.5 mm² for isolation for test pur-
poses
Insta or three-tier terminals
12/80 These terminals have up to three terminal functions in
one enclosure and connection to a neutral busbar
10 mm × 3 mm. They are optimized for distribution
board applications in installation technology
Initiator/actuator terminals
12/83 Special terminals for connection of sensors and actua-
tors
Devices
Page Application
© Siemens AG 2008
