Datasheet

For further information and full technical data, visit phoenixcontact.net/products
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Technical data Technical data
Dimensions Width Length Height NS 35/7,5 Width Length Height NS 35/7,5
[mm] 6.2 63.4 57.3 6.2 63.4 57.3
Dimensions Width Length Height NS 32 Width Length Height NS 32
[mm] 6.2 63.4 62.3 6.2 63.4 62.3
Max. electrical data I
max.
[A]  U
max.
[V]  Max. Ø [mm²] AWG (UL) I
max.
[A]  U
max.
[V]  Max. Ø [mm²] AWG (UL)
20 500 0.2 - 6 - 20 500 0.2 - 6 -
IEC 60947-7-1  IEC 60947-7-1 
Rated data IEC UL CSA IEC/
EN60079-7
IEC UL CSA IEC/
EN60079-7
Rated voltage [V] 500 - - - 500 - - -
Nominal current / cross section [A] / [mm²] 20 / 4 - - - 20 / 4 - - -
Rated cross section [mm²] 4 - - - 4 - - -
Cross section range AWG 24 - 10 - - - 24 - 10 - - -
Connection capacity Solid Stranded Ferrule Solid Stranded Ferrule
  without/with plastic sleeve   without/with plastic sleeve
1 conductor [mm²] 0.2 - 6 0.2 - 4 0.25 - 4 0.25 - 2.5 0.2 - 6 0.2 - 4 0.25 - 4 0.25 - 2.5
2 conductors (of the same type) [mm²] 0.2 - 1.5 0.2 - 1.5 0.25 - 1.5 - 0.2 - 1.5 0.2 - 1.5 0.25 - 1.5 -
2 stranded conductors with a TWIN ferrule [mm²] - - - 0.5 - 2.5 - - - 0.5 - 2.5
General data
Stripping length [mm] 10 10
Screw thread M3 M3
Tightening torque [Nm] 0.6 - 0.8 0.6 - 0.8
Insulating material PA PA
Inflammability class according to UL 94 V0 V0
Ordering data Ordering data
Description
No. of
pos.
Color Type I
max
Order No.
Pcs. /
Pkt.
Type I
max
Order No.
Pcs. /
Pkt.
Terminal block, for mounting on NS 35... gray USST 4-TG 3070301 50 USST 4-MT 3070300 50
With test socket screws
1
) gray USST 4-TG P/P 3070303 50 USST 4-MT P/P 3070302 50
Accessories Accessories
Cover, width 2.2 mm gray D-USST 4-MT 3070304 50 D-USST 4-MT 3070304 50
Partition plate, 2mm wide gray TPNS-UK 0706647 50 TPNS-UK 0706647 50
Fixed bridge, insulated
10 silver FBI 10- 6 38 A 0203250 10 FBI 10- 6 38 A 0203250 10
Isolator bridge bar, can be separated, with 10 screws, for
switchable branches with IS-K...
10 silver ISSBI 10- 6 30 A 0301505 10 ISSBI 10- 6 30 A 0301505 10
Bridge bar isolator, as distance piece for isolator
bridge bar
gray IS-K 4 1302338 100 IS-K 4 1302338 100
Separating disk, for separation of neighboring
bridges, can be fitted later, no loss of pitch
gray TS-USST 4/10 3070383 50 TS-USST 4/10 3070383 50
Test socket silver PSB 3/10/4 0601292 10 PSB 3/10/4 0601292 10
Test socket, insulated, can be used only with FBI
and ISSBI
silver PSBJ 3/13/4 0201304 10 PSBJ 3/13/4 0201304 10
Screwdriver SF-SL 0,6X3,5-100 S-VDE 1212587 10 SF-SL 0,6X3,5-100 S-VDE 1212587 10
Screwdriver, for disconnect slide and test socket SZG 0,6X3,5 VDE 1205121 10 SZG 0,6X3,5 VDE 1205121 10
Lateral groove marking UC-TM 6, UCT-TM 6 or ZB 6
(see Catalog 5)
UC-TM 6, UCT-TM 6 or ZB 6
(see Catalog 5)
457 PHOENIX CONTACT
Terminal blocks
USST spring-assisted screw terminal blocks
4 (6) mm², 20 A, disconnect terminal block,
2 connections
4 (6) mm², 20 A, knife disconnect terminal
block, 2 connections
– Standardized disconnect zone
– Various function plugs are available for use
in the disconnect terminal blocks
– For corresponding function plugs, see
page 350
Notes:
1
) U
max.
300V.
Corresponding flat-ribbon cable lugs with C-BCI... hooks can be
found in Catalog 5 or at phoenixcontact.net/products
Spring-assisted disconnect and knife
disconnect terminal blocks