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All Categories > DIN Rail Mounted Terminal Blocks > YBK Series Terminal Blocks > YBK Series Terminal Blocks > Item # 306 221  
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Item # 306 221, YBK Series Terminal Blocks

List Price $0.74


MATERIALS AND FUNCTION
Housings - The plastic housing holding the metallic screws and clamps is made of UL 94 V2 (105 degree C) thermoplastic polyamide 6.6. This plastic and its certification allow operation rated at 600 V, providing ample dielectric strength for any Industrial Application.

Clamps - Steel is one of the strongest materials available for its value. The clamps are zinc plated to guard against corrosion. When properly torqued, the clamp is designed to self-lock.

Screws - Made of steel as well, the screws act as a system with the clamps - this system requires the same materials for each component. The screws lift and help to self-lock the clamps providing a downward force onto the conductors. The screws are also plated with a Zinc finish to prevent any form of corrosion.

CONNECTION TYPES
Screw Connection
This is the most popular of all known connection methods. Screw connection refers to any connection in which the conductor is stripped of its insulation and clamped without any preparation.

When the screw is tightened, the pressure pulls apart both halves of the clamping yoke. This generates a high locking action on the screw and provides excellent vibration resistance.

Tension Clamp System
Tension clamp connection allows the conductor to be pressed directly against the current bar. The clamp is opened with a screwdriver allowing the insertion of the conductor.

Tension clamp terminals provide a faster method of terminating wires as compared to screw clamp systems. Approved by UL, they are just as reliable in field applications.

The tension clamp is opened with a small screwdriver inserted to the side of the clamp next to the wire entry way. When the field wiring is in place, the screwdriver can be removed and a reliable, secure connection is maintained.





Specifications  · Electrical Ratings  · Connection Data  · Options  · Certifications

Specifications

Model

YBK 2.5

Type

Tension Clamp Terminals

Width

5 mm

Color

Material

Polyamide 6.6

Units Per Package

1


Electrical Ratings

Voltage

750 ~ V

Current

22 A

Cross-Section

2.5 mm²

UL Voltage

600 ~ V

UL Current

20 A

UL Cross-Section

22 - 12 AWG

Insulation Stripping Length

10 mm


Connection Data

Solid Strand, Clamp Connection

0.5 to 2.5 mm²

Fine Strand, Clamp Connection

0.5 to 2.5 mm²

AWG Conductor

22 - 12


Options

Mounting Rail Options

TS3515SL, 35 x 15 Steel Slotted Mounting DIN Rail ($10.00)
TS3515SOL, 35 x 15 Steel Solid Mounting DIN Rail ($10.00)
TS3575SL, 35 x 7.5 Steel Slotted Mounting DIN Rail ($8.00)
TS3575SL1, 35 x 7.5 Steel Slotted Mounting DIN Rail ($6.00)
TS3575SL1-A, 35 x 7.5 Aluminum Slotted Mounting DIN Rail ($8.00)
TS3575SOL, 35 x 7.5 Steel Solid Mounting DIN Rail ($8.00)

End Bracket Options

495 049, Grey End Bracket ($0.38)
495 040, Beige End Bracket ($0.38)

End Plate Partition Options

446 321, Blue NPP Plate - Partition for YBK 2.5 Series Terminal Blocks ($0.18)

Cross Connectors Options

476 222, UK 2.5/2 Cross Connector for YBK Series Terminal Blocks ($0.66)
476 223, UK 2.5/3 Cross Connector for YBK Series Terminal Blocks ($0.96)
476 224, UK 2.5/4 Cross Connector for YBK Series Terminal Blocks ($1.32)
476 229, UK 2.5/10 Cross Connector for YBK Series Terminal Blocks ($4.10)

Test Plug-Socket/Ins. Test Socket Options

493 020, TF (Ø2) Test Plug-Socket ($1.38)

Group Marking Options

496 119, GE Group Marking (Grey) ($1.08)
496 110, GE Group Marking (Beige) ($0.98)


Certifications

Certifications




 Mounting Rails for Terminal Blocks 


DIN Rail
Mounting Rails

 End Brackets for YBK Series Terminal Blocks 


495049 PIC
End Brackets

 Group Markings for YBK Series Terminal Blocks 


Group Markings
496 119
GE Group Marking (Grey)
$1.08


Group Markings
496 110
GE Group Marking (Beige)
$0.98

 Marking Tags for Terminal Blocks 


Marking Tags
Marking Tags

 Cable Marking Sleeves for Terminal Blocks 


Cable Marking Sleeves
Cable Marking Sleeves

 End Plate 446 321 - Partition for 306 221 YBK Series Terminal Blocks 


End Plates - Partition (YBK Series Beige Color)
446 321
Blue NPP Plate - Partition for YBK 2.5 Series Terminal Blocks
$0.18

 Cross Connectors for YBK 2.5 Series Terminal Blocks 


Cross Connectors (YBK Series)
476 222
UK 2.5/2 Cross Connector for YBK Series Terminal Blocks
$0.66


Cross Connectors (YBK Series)
476 223
UK 2.5/3 Cross Connector for YBK Series Terminal Blocks
$0.96

more available ..


 Test Plug-Soc./Ins. Test Soc. for YBK 2.5, 4, 6, 10, 2.5 E, 2.5 C, 2.5 CX2, 2.5 CD, 2.5 CT, 4-2F, & 4-2FK Series Terminal Blocks 


Test Plug-Soc./Ins. Test Soc.
493 020
TF (Ø2) Test Plug-Socket
$1.38

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