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Home >  Phoenix Contact® Equivalent Industrial Feed Through Terminal Blocks > Circuit Disconnect Terminal Blocks

Circuit Disconnect Terminal Blocks

ASI offers both knife disconnect and sliding link terminal blocks for use in electrical, measurement and control circuits where it is necessary to open up a circuit without removing wiring, such as when testing or shorting out current transformers(CT's).

Normally used in process industries with control loops, the ASI knife disconnect terminal blocks comes in two styles. One style features one wire connection in and one connection out on the other side of the terminal block. The second version has two independent wire connections on each side of the block which connect together internally. Both feature an orange colored knife disconnect so as to make it easy to visually recognize when the circuit is opened or closed. The screw heads in the single wire version will accept a test jack in order to make it very convenient during the testing phase of operation.

The ASIUK5MTKPP is equivalent to the Phoenix Contact® UK 5-MTK-P/P, 3004032 and the ASIUDK4MTKPP is equal to the UDK 4-MTK-P/P, 2775210. Both of the ASI products feature similar design, shape; color and material as the Phoenix Contact® knife disconnect terminal blocks.

The sliding link or switchable terminal blocks from ASI are ideal for applications in electrical circuits, such as with current transformers, CT's. The ASIURTKSBEN has independent test sockets built into the metal bodies separate from the screws. The ASIURTKS allows for testing right at the screws as the heads are hollow and will accept a test jack. Various bridge accessories are available which allow for different bridge configurations depending on the circuit and application.

The ASI sliding link terminal blocks are equivalent to the Phoenix Contact® URTK/SBEN, 0309086 and the URTK/S, 0311087. They feature similar design, color and materials and the accessories can be used interchangeably. ASI offers many other products for automation and control applications and has a complete range of equivalent power supplies, interface modules, relay modules, molded cable assemblies, sensor distribution boxes to Phoenix Contact® and other suppliers.

Engineering Disclaimer: On all cross-references it is the customer's responsibility to confirm that the suggested equivalent meets all of the requirements of the application as there may be slight differences.
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ASI's broad range of marking products will save you both Time and Money. They include terminal block labels, wire markers, name plates, and much more Learn More...


View Associated Products Below to Complete Your Project
Catalog No. / Description 
ASIUK5MTKPP Product
Knife Disconnect DIN Rail Mounted Terminal Block
  • 6.2mm wide DIN rail mounted terminal block that features socket style screw heads for test plugs
  • Orange colored circuit disconnect for visual indication of the circuit status, opened or closed.
  • It is rated for 22 to 12 AWG at up to 15 amps.
Use 
 below to check stock
Knife disconnect DIN Rail Mounted terminal block, Screw Clamp 22-12 AWG 
$1.64 each
50+ $1.64 ea
250+ $1.46 ea
500+ $1.31 ea
More >> Call For Quote
Sold In Packages of 50
500 units or more saves 20% 
Buy: units
Green Check In Stock
Knife Disconnect 4-wire DIN Rail Mounted terminal block, Screw Clamp 22-12 AWG 
$2.82 each
50+ $2.82 ea
250+ $2.51 ea
500+ $2.26 ea
More >> Call For Quote
Sold In Packages of 50
500 units or more saves 20% 
Buy: units
Ships Stock - 3 weeks
 Sliding Link Disconnect, Competitive EquivalentsNext / Top 
ASIURTKSBEN Product
Sliding Link Disconnect
  • 8.2mm wide DIN rail mounted sliding link terminal block that features socket type screw heads for use with test plugs.
  • The screw clamp connection is rated for 20 to 8 AWG at up to 50 amps.
  • This terminal block is typically used in electric utility and power generation applications.
  • The sliding link is actuated by a screw which locks it in place.
  • Various jumper accessories are available which allow for different circuit configurations to be opened and or shorted.
Use 
 below to check stock
Sliding link disconnect, DIN Rail Mounted terminal block, with test socket screw heads, Screw Clamp 26-8 AWG 
$1.91 each
10+ $1.91 ea
50+ $1.67 ea
100+ $1.48 ea
More >> Call For Quote
Sold In Packages of 10
100 units or more saves 23% 
Buy: units
Green Check In Stock
Sliding link disconnect, DIN Rail Mounted terminal block, with built in test sockets, Screw Clamp, 16-8 AWG. 
$2.10 each
10+ $2.10 ea
50+ $1.84 ea
100+ $1.63 ea
More >> Call For Quote
Sold In Packages of 10
100 units or more saves 22% 
Buy: units
Green Check In Stock
 Spring Clamp Connection, Competitive Equivalents Next / Top 
ASI421035 Product
Competitive Equivalent Spring Clamp Connection Knife Disconnect Terminal Block
  • Orange Lever for Easy Visual Indication
Use 
 below to check stock
Type ASIUJ5-2.5SK, Competitive Equivalent Spring Clamp Connection Knife Disconnect Terminal Block, 3-Wire, 24-12 AWG, 16 Amp, 400V 
$2.68 each
50+ $2.68 ea
250+ $2.38 ea
500+ $2.14 ea
More >> Call For Quote
Sold In Packages of 50
500 units or more saves 20% 
Buy: units
Ships Stock - 3 weeks
Type ASIUJ5-2.5/1x2SK, Competitive Equivalent Spring Clamp Connection Knife Disconnect Terminal Block, 3-Wire, 24-12 AWG, 16 Amp, 400 Volt 
$3.02 each
50+ $3.02 ea
More >> Call For Quote
Sold In Packages of 50
 
Buy: units
Ships Stock - 3 weeks
Type ASIUJ5-2.5/2x2SK, Competitive Equivalent Spring Clamp Connection Knife Disconnect Terminal Block, 4-Wire, 24-12 AWG, 16 Amp, 400V 
$3.19 each
50+ $3.19 ea
More >> Call For Quote
Sold In Packages of 50
 
Buy: units
Ships Stock - 3 weeks
 Top 

Customers using ASI Circuit Disconnect Terminal Blocks Also Saved Time and Money with:

Phoenix Contact® Equivalents With thousands of models to select from the ASI printed circuit board terminal block family is one of the widest in the industry with fixed and pluggable versions, spacing from .1 inch to 10.16mm spacing and in low-cost commercial and high quality industrial types. We even have versions that you can not tell the difference between those and the very high priced alternatives on the market. Customers are saving 50% and more with ASI printed circuit board terminal blocks.
Interface ModulesASI offers a broad range of DIN rail mount modules that provide wiring transitions from various types of connectors to either fixed or pluggable terminal blocks.
Power SuppliesMost efficient power supply on the market. Available with outputs 5 to 48 VDC. UL508 Listed. Meets CE and other international approvals.
Print SystemsIn seconds print markers and labels. Easy to use and reliable. Learn how ASI Marking and Labeling systems can save you time and money.
AC Power Modules  Add an outlet or GFI protection to any piece of equipment or panel. It's easy. It's fast. It's inexpensive.
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Automation Systems Interconnect, Inc.
4700 Westport Drive, Suite 500 | Mechanicsburg, PA 17055
REMIT-TO: P.O. Box 1340 | Mechanicsburg, PA 17055
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