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        • Lifecycle status

          Active / Available from OEM
          Apter Power examines spring-clamp wiring requirements and base condition before sourcing and pre-shipment review.

        1734-TOPS

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        1001 reviews ｜ Need a Specific Revision?
        Allen-Bradley 1734-TOPS is an eight-terminal one-piece POINT I/O wiring base with integrated spring-clamp terminations.
        In Stock
        Ships by Wednesday, October 28
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 1734-TOPS

        • Manufacturer:
          Allen-Bradley
        • Part Number:
          1734-TOPS
        • Product Family:
          Point I/O 1734
        • Product Type:
          POINT I/O 8-Terminal One-Piece Spring-Clamp Base
        • Stock:
          1
        • Terminal arrangement:
          8-terminal integrated base
        • Termination method:
          Spring clamp
        • Field power bus voltage:
          28.8 V DC or 120/240 V AC maximum
        • Field power bus current:
          10 A maximum
        • Mounting method:
          DIN rail
        • Weight:
          0.05568 kg
        • Estimated shipping dimensions:
          4.9x1.2x14.4cm
        • Tariff Code:
          8537101190
        • Country of origin:
          China
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Specifications Integrated Wiring Spring-Clamp Setup Product Applications

        Features:

        • One-piece design: mounting base and terminal block are integrated
        • Termination: eight spring-clamp field-wire positions
        • Installation: DIN-rail mounting with POINT I/O mechanical keying
        1734-TOPS is chosen when an integrated spring-clamp base is preferred over a removable terminal block.

        The terminal design reduces separate base components but requires field wires to be handled when the base itself is replaced.

        Wire preparation, rail grounding, and module keying are the critical installation controls.

        Availability of 1734-TOPS is subject to Apter Power inventory and sourcing confirmation.
        Allen-Bradley 1734-TOPS POINT I/O 8-Terminal One-Piece Spring-Clamp Base Manuals and Product Resources
        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        Allen-Bradley 1734-TOPS POINT I/O 8-Terminal One-Piece Spring-Clamp Base Specs

        General

        • ManufacturerAllen-Bradley
        • Model1734-TOPS
        • ConditionNew Original ready stock
        • Product FamilyPOINT I/O 1734
        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

        Plan one-piece wiring

        • Terminal count: map the eight independent positions before removal.
        • Rewiring: label every conductor because the block is not removable.
        • Field power: preserve the published bus voltage and current limits.
        • Inspection: check spring entries and conductor condition before reuse.

        Prepare spring-clamp conductors

        • Strip length: follow the official value for bare wire or ferrules.
        • Ferrules: use only supported size and sleeve combinations.
        • Conductor count: do not place more than one conductor in a terminal.
        • Retention: perform a controlled pull check after insertion.

        Supported product applications

        • Compact POINT I/O panels: combine mounting and spring termination in one base.
        • Vibration-aware wiring: use spring clamps for correctly prepared conductors.
        • Distributed I/O stations: provide eight field terminals beside the selected module.
        • Panel replacement: rebuild an integrated base position with documented conductor labels.
        Description
        1734-TOPS combines the POINT I/O mounting base and an eight-terminal spring-clamp wiring block in one integrated assembly. Unlike a removable-terminal-block base, the field terminations remain part of the one-piece base during module service.

        The eight independent terminals on 1734-TOPS support field power and signal wiring within the published terminal-base limits. Wire size, strip length, ferrule choice, and conductor count must follow the official one-piece wiring-base instructions.

        During cabinet work, 1734-TOPS mounts on a grounded DIN rail and receives the I/O module through the mechanical keying system. Replacement planning should account for the integrated spring-clamp design because rewiring cannot be avoided by moving a removable terminal block.
        Alternative Names
        Allen-Bradley 1734-TOPS Rockwell Automation 1734-TOPS AB 1734-TOPS 1734TOPS 1734 TOPS POINT I/O 1734-TOPS spring-clamp base
        Technical notes
        The main service risk with 1734-TOPS is assuming its one-piece spring-clamp wiring can be transferred like a removable terminal block. Confirm conductor size, strip length, ferrule selection, one-wire terminal rule, DIN-rail grounding, module keying, field-power limits, and a controlled rewiring plan before removing the base from an operating panel.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        What changes in a replacement plan when 1734-TOPS is used instead of a removable terminal base?
        Its terminal block is integrated, so field conductors must be labeled, de-energized, removed, and reterminated rather than transferred as one RTB.
        How should conductors be prepared for the spring clamps on 1734-TOPS?
        Use the official wire-size and strip-length tables, select supported ferrules when needed, insert one conductor per terminal, and verify retention.
        Why can an intermittent channel remain after the I/O module above 1734-TOPS is replaced?
        The fault may be in the spring termination, conductor, field power, common path, or mechanical seating of the base rather than the electronic module.
        Can 1734-TOPS be selected only from the eight-terminal count?
        No. Confirm the integrated one-piece design, spring-clamp method, module compatibility, keying, voltage class, and cabinet rewiring requirements.
        Which safety step is essential before a technician removes 1734-TOPS from the DIN rail?
        De-energize all connected field and backplane circuits, verify the safe state, label conductors, and follow the official removal sequence.
        How should a cabinet drawing document 1734-TOPS for future maintenance?
        Show the eight terminal assignments, field-power path, module above the base, keying, conductor labels, and that the terminal block is not removable.

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