Phoenix Contact 3031270 STTB 2.5 Terminal block 0.08-4 mm² grey spring-cage

The Phoenix Contact STTB 2,5 3031270 is a feed-through terminal block designed for maintaining continuity in electrical circuits. This component, ideal for use in switchboards and serial connections, facilitates secure cable stripping and connectivity. Typically used in industrial and commercial electrical installations, it ensures reliable connections and efficient circuit management.

Type	Continuity
No. of Ways	2
No. of Levels	2
Termination	Spring Clamp
Width	5.2mm
Wire Gauge (mm²)	4mm²
AWG (min.)	28
Clamp width	5.2mm
Closing plate required	true
Colour	Grey
Connectable conductor cross section fine-strand with cable end sleeve	0.14 - 0.14mm²
Connectable conductor cross section fine-strand without cable end sleeve	0.08 - 2.5mm²
Connectable conductor cross section multi-wired	- - -mm²
Connectable conductor cross section solid-core	0.08 - 4mm²
Connection	Pull spring
Cross section (flexible) (min.)	0.08mm²
Cross section (inflexible) (min.)	0.08mm²
Current Rating	22A
Depth	47.5mm
Dim	(L x W x H) 67.5 x 5.2 x 47.5 mm
Explosion-tested version Ex e	true
Flammability Rating	V0
Height	47.5mm
Industrial packaging	Yes
Inflammability class of insulation material according to UL94	V0
Insulation	PA
Internally connected stages	false
Length	67.5mm
Material insulation body	Thermoplastic
Min. stripping length	8mm
Misc Attribute	STTB 2,5
Mounting method	DIN rail (top hat rail) 35 mm
Nominal Voltage	500V
Number of clamp positions per level	2
Number of levels	2
Number of Pins	4
Number of Rows	2
Operating Temperature	- - -°C
Rated current In	22A
Rated voltage	500V
Stripping length (max.)	10mm
Suitable for conductor material	Aluminium/copper
Type of electrical connection 1	Spring clamp connection
Type of electrical connection 2	Spring clamp connection
Wire Gauge (AWG)	12