ULO-TB256-ST2.5-3L provides six conductor connections arranged across three separate potentials. Each level connects the two opposing conductor positions. The spring-cage terminal mounts on NS35/7.5 DIN rail and has a 5.2mm-wide, three-level body.
Construction
Specification
Model
ULO-TB256-ST2.5-3L
Connection method
Spring cage
Levels / connections / potentials
3 / 6 / 3
Width × length × height
5.2×99.5×58mm
Mounting rail
NS35/7.5
Protection
IP20
Operating temperature
−40–105°C
Insulation
PA66, material group I, UL94V-0
Contacts
Tin-plated copper alloy
Electrical ratings and wire preparation
Characteristic
Specification
IEC rated current / voltage
20A / 500V
Overvoltage category / pollution degree
III / 3
Rated impulse voltage
6kV
Category III / pollution degree 2
Voltage and impulse ratings not specified
Category II / pollution degree 2
Voltage and impulse ratings not specified
UL use group B
20A / 600V; 28–12AWG
UL use groups C and D
Current and voltage not specified
Solid conductor
0.08–4mm²
Flexible conductor
0.08–2.5mm²
Flexible conductor with ferrule
0.14–2.5mm²
Stripping length
8–10mm
Locking screw / torque
Not applicable to the spring-cage conductor connection
Outline dimensions
The outline distinguishes the 58mm overall height from the 52mm rail-seat reference height. The rail centerline-to-edge reference is 54mm; the half-rail reference is 17.5mm.
ST2.5-3L side and conductor-entry views showing the six connections and 5.2×99.5×58mm envelope.
