Datasheet

Technical data
1
) Technical data
1
)
Dimensions Width Length Height Width Length Height
[mm] 5.2 71.5 47.5 (NS 35/7,5) 5.2 71.5 47.5 (NS 35/7,5)
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)
22
2
) 500 0.08 - 4 28-12 22
2
) 500 0.08 - 4 28-12
Max. bridge current [A] 24 (FBS) / 17.5 (FBSR) 24 (FBS) / 17.5 (FBSR)
Rated data IEC UL / CUL CSA Ex IEC UL / CUL CSA Ex
Rated voltage [V] 500 600 600 - 500 600 - -
Nominal current / cross section [A] / [mm²] 22
2
) / 2.5 20 / - 20 / - - 22
2
) / 2.5 20 / - - -
Ordering data Ordering data
Description Color Type Order No.
Pcs. /
Pkt.
Type Order No.
Pcs. /
Pkt.
Terminal block, with marking groove on the plug-
in side
gray STTB 2,5/2P SO 3040892 50
blue STTB 2,5/2P BU SO 3040902 50
gray STTB 2,5/2P-PV SO 3040928 50
Ground terminal, with marking groove on the
plug-in side
green/yellow STTB 2,5/2P-PE SO 3040915 50
Accessories
1
) Accessories
1
)
Cover, width 2.2 mm gray D-STTB 2,5/ 2P 3040096 50 D-STTB 2,5/ 2P 3040096 50
Terminal blocks - CLIPLINE complete
2.5 mm COMBI ST plug-in connection solutions
22 A, feed-through terminal block 22 A, feed-through terminal block, with
equipotential bonding

①①
Multi-level terminal blocks
Notes:
1
) For additional accessories and technical data, see page 282.
2
) For derating curve, visit phoenixcontact.net/products
For screw flange, see page 320.
For self-locking flange, see page 319.
Technical data
1
) Technical data
1
)
Dimensions Width Length Height Width Length Height
[mm] 5.2 81 36.5 (NS 35/7,5) 5.2 81 36.5 (NS 35/7,5)
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
3
) 400
2
) 0.08 - 4 28-12 20
3
) 400 0.08 - 4 28-12
Max. bridge current [A] 24 (FBS) / 17.5 (FBSR) 24 (FBS) / 17.5 (FBSR)
Rated data IEC UL / CUL CSA Ex IEC UL / CUL CSA Ex
Rated voltage [V] 400
2
) 600 300 - 400 600 300 -
Nominal current / cross section [A] / [mm²] 20
3
) / 2.5 20 / - 20 / - - 20
3
) / 2.5 20 / - 20 / - -
Ordering data Ordering data
Description Color Type Order No.
Pcs. /
Pkt.
Type Order No.
Pcs. /
Pkt.
Disconnect terminal block gray ST 2,5-TWIN-TG/1P 3040847 50
Knife disconnect terminal block gray ST 2,5-TWIN-MT/1P 3040766 50
Accessories
1
) Accessories
1
)
Cover, width 2.2 mm gray D-ST 2,5-QUATTRO/ 2P 3040083 50 D-ST 2,5-QUATTRO/ 2P 3040083 50
284
PHOENIX CONTACT
20 A, disconnect terminal block,
3 connections
20 A, knife disconnect terminal block,
3 connections

①①
Disconnect and knife disconnect
terminal blocks
Notes:
1
) For additional accessories and technical data, see page 282.
2
) Current and voltage are determined by the connector used.
3
) For derating curve, visit phoenixcontact.net/products