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Allen-Bradley 1756-TBNH
Allen-Bradley 1756-TBNH
Allen-Bradley 1756-TBNH
· Product image is representative; revision or series may vary. Contact us to request a specific version.

1756-TBNH

ControlLogix 20 Pin Screw Terminal Block

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Need more help? You may also find the answer in our FAQ section

Shipping Information

  • For inventory products, we support same day shipping upon payment.
  • For urgent needs, we offer same-day shipping on most items for orders placed before 2:00 PM UTC+8 Simply mention your preferred next-day shipping when place the order, and your order will be prioritized to minimize downtime.
  • For indent items, typical turnaround is 1-3 weeks, depending on parts availability and scarcity.

Technical specifications for 1756-TBNH

  • Product Model
    1756-TBNH
  • Spare Model
    1756TBNH 1756-TBNH/A
  • Product Parameters
    ControlLogix 20 Pin Screw Terminal Block
  • Tariff Code
    8537101190
  • Country of origin
    USA
  • Place of shipment
    Xiamen,China
  • Estimated Shipping Size
    5.2x4.5x12.8cm
  • Manufacturer
    Allen-Bradley
  • Weight
    0.15 kg
  • Clamp Type
    Screw-Clamp
  • Pins 20-Pin
    Connection
  • Backplane Current (5Volts)
    1,200 milliamps
  • Backplane Current (24 Volts)
    2.5 milliamps
  • Power Dissipation (Max)
    6.19 Watts
  • Wire Size
    20 AWG

Description

1756TBNH
TERMINAL BLOCK
CONTROLLOGIX
REMOVABLE
20 POSITION
NEMA SCREW CLAMP BLOCK
22 - 14 AWG

Revisions

Revision Part #

Also known as

1756-TBNH/A
1756-TBNH Rev A

Information

Overview Manuals Technical notes Product Applications Assembly and Installation

Features:

  • ControlLogix
  • 20-Pin Screw Terminal Block
  • 20 AWG
The 1756-TBNH module is a removable terminal block or RTB module. It is manufactured in the ControlLogix series by Allen-Bradley/Rockwell Automation. The wires that are connected to the 1756-TBNH removable terminal block should all be the same size and they should either be all solid wires or all stranded wires because a mix of solid and stranded wires is not supported by the block. This removable terminal block is a NEMA clamp type of removable terminal block. The 1756-TBNH removable terminal block can work with 20 conductors at a time.

The 1756-TBNH Allen-Bradley 20-Pin Screw Terminal Block may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 1756-TBNH 20-Pin Screw Terminal Block Manuals, Datasheets, Drivers, Link 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.
The Allen-Bradley 1756-TBNH is a Removable Terminal Block (RTB) for 1756 I/O modules. It is an I/O module accessory and must be ordered separately. The 1756-TBNH provides flexibility in interconnecting 1756 I/O modules and industrial plant wiring. It plugs into the front of the I/O module. The 1756-TBNH removable terminal block is a 20-position NEMA screw-clamp. 
 
Each I/O module has many applications ranging from high-speed digital processing to process control. In ControlLogix architecture, input and output status is shared among multiple controllers in the same or different chassis using producer-consumer technology. The 1756-TBNH RTB is intended for use in a clean and dry industrial environment with a 0-60 °C operating temperature and a 30g operating shock.
  • Manufacturing & Assembly:Controls robots & conveyor lines
  • Process Control:Monitors continuous process signals
  • Energy Management:Manages power & electrical loads
  • Automotive & Aerospace:Drives motion control systems
  • Building Automation:Controls HVAC & lighting systems
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Housing Assembly: Align the side edges of the RTB with the grooves in the plastic housing and slide it in until it snaps into place.
Mounting the RTB:
Ensure the module is already securely installed in the chassis.
Unlock the locking tab at the top of the module.
Align the RTB guides with the module guides and press evenly until the latches snap.
Locking: Slide the locking tab down to secure the RTB to the module. 
What happens next
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Dedicated Account Manager One of our team will be in touch to confirm your part(s) specification and condition.
Your quote You will receive a comprehensive quote tailored to your specific needs.
Need Moore Help? Get fast and efficient help from our experienced sales or customer service teams.
Delivery and payment
Delivery
Logistic partners UPS, FedEx and DHL
International delivery available
Same day dispatch from warehouse inventory
Warranty
All parts new original are covered by Amikon 12 month warranty

Returns
No hassle returns policy

Dedicated customer support team

Payment options
We accept Bank transfers and the following methods of payment:

For more information, please visit our dedicated payments page.
Why Choose Amikon Limited?

When it comes to industrial automation, reliability, speed, and trust matter. At Amikon Limited, we go beyond just supplying parts — we deliver confidence.

  • Extensive Inventory Reach: Nearly 1 million automation parts at your fingertips, including legacy and obsolete models.
  • 20+ Years of Expertise: Trusted by engineers, project managers and government companies worldwide for our professional service.
  • Quality You Can Trust: Each unit is strictly inspected by the warehouse staff to ensure product quality
  • Fast Global Shipping: We help you minimize downtime with express logistics worldwide.
  • 1-Year Warranty Available: Peace of mind with every purchase backed by one year warranty guarantee.
  •  

Whether you're maintaining legacy systems or building future-ready projects, Amikon Limited is your dependable partner in precision and performance.


FAQs

  • What is the 1756-TBNH ?

    +
    The Allen-Bradley 1756-TBNH is a 20-position, NEMA-style screw-clamp Removable Terminal Block (RTB) used with ControlLogix I/O modules.
  • What types of wire does the 1756-TBNH accept?

    +
    It accepts 0.33...2.1 mm² (22…14 AWG) solid or stranded copper wire, with a rated temperature of 90 °C (194 °F) or higher.
  • What is the 1756-TBNH screw torque?

    +
    The recommended torque is 0.8–1 N•m (7–9 lb•in)
  • Which modules is 1756-TBNH used with?

    +
    It is commonly used with various ControlLogix digital I/O modules, such as the 1756-IC16, 1756-IB16, and 1756-OB16I.
  • Is 1756-TBNH compatible with safety modules?

    +
    While it works with many standard modules, some security modules (such as 1756-OBV8S) require a specific security version, 1756-TBNHS.
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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