PTTB Double Level Push In DIN Rail Terminal Blocks
Series Part Number
Part Number:
ULO
-
TB168
-
PTTB 2.5 BU
Explanation:
Brand
Product Code
TB168 - PTTB2.5 model; this breakdown covers the PTTB2.5 gray and blue versions
Terminal and Color
PTTB 2.5 BU - Blue double-level push-in terminal, 2.5mm² nominal cross-section PTTB 2.5 - Gray version; BU and its preceding space omitted; both have four connections and two independent potentials
Description
Double-level push-in feedthrough terminals
PTTB1.5/S and PTTB2.5 provide four push-in connections on two levels. Each level connects one pair of wires, giving two independent electrical potentials per terminal. Both mount on NS35/7.5 DIN rail and are available in gray or blue.
Property
PTTB1.5/S
PTTB2.5
Model
ULO-TB162-PTTB1.5/S
ULO-TB168-PTTB2.5
Nominal cross section
1.5mm²
2.5mm²
Nominal current
16A
22A
Maximum load current
16A
26A
Rated voltage; category III, pollution degree 3
500V
Rated impulse voltage; category III, pollution degree 3
6kV
Voltage and impulse ratings; III / 2 and II / 2
Not specified
Gray / blue option
Standard / BU suffix
Conductor ranges
Connection property
PTTB1.5/S
PTTB2.5
Solid conductor
0.14–1.5mm²; 26–16AWG
0.14–4mm²; 26–12AWG
Flexible conductor
0.14–1.5mm²; 26–16AWG
0.14–4mm²; 26–12AWG
Flexible conductor with ferrule
0.14–1.5mm²
0.14–2.5mm²
Stripping length
8–10mm
Connection method
Push-in
Clamping screw / torque
Not applicable
UL use-group ratings
Model
Use group B
Use groups C and D
Conductor range
PTTB1.5/S
15A / 600V
Not specified
26–14AWG
PTTB2.5
20A / 600V
26–12AWG
Materials and operating conditions
Property
Both models
Insulation / material group
PA66 / I
Flammability
UL94V-0
Contacts
Tin-plated copper alloy
Protection
IP20
Operating temperature
-60°C to +110°C
Outline and mounting dimensions
Dimension
PTTB1.5/S
PTTB2.5
Width × length × overall height
3.5×65.4×41.1mm
5.15×68.15×45.85mm
Top to rail-seat datum
35.1mm
39.85mm
Rail centerline to right end
33.4mm
35.5mm
Half rail width
17.5mm
PTTB1.5/S: 3.5mm width, 65.4mm length and 41.1mm overall height. The top-to-rail-seat dimension is 35.1mm.PTTB2.5: 5.15mm width, 68.15mm length and 45.85mm overall height. Dimensions apply to one terminal.
