AB ControlLogix 20 Pin Screw Terminal Blockr 1756-TBNH

The AB 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. It has a 1.36 Nm Screw torque and an 8-mm (5/16 in.) maximum Screwdriver width. It has dimensions of 5.51 x 4.41 x 5.71 in. and weighs 0.3 pounds. For wiring, use 0.33 – 2.1 〖mm〗^2 (22 - 14 AWG) solid or stranded copper wire rated at 90 °C (194 °F) or greater with a 1.2-mm (3/64-in.) gauge maximum insulation must be used. On any single terminal, do not wire more than two conductors.

Every ControlLogix I/O module mounts on any ControlLogix chassis and requires a removable terminal block (RTB) to connect all the field-side wiring. 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.

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Frequently Asked Questions (FAQ) – SC Automation Limited​​

​​1.   Who is SC Automation Limited?​​

SC Automation Limited (SC) was established in 2010 with over ​​10+ years of industry experience​​ in automation instrumentation and industrial solutions.

​​2.   Where does SC mainly distribute its products?​​

Our products are primarily exported to:

•   ​​Africa:​​ South Africa
• ​  ​Asia:​​ Southeast Asia, Middle East
• ​  ​Europe:​​ Nordic countries
•   ​​Americas:​​ South America
•   ​​Oceania:​​ Australia, New Zealand

​​3.   What types of automation instruments does SC specialize in?​​

We focus on:

• ​​  Pressure Transmitters​​
• ​  ​Flow Meters​​
• ​  ​Ultrasonic Level Sensors​​
• ​​  Vibration Monitoring Systems​​
• ​  ​Water Quality Analyzers​​
•   ​​Electric Actuators​​
• ​​  Solenoid Valves​​
•   ​​Sensors & More​​

​​4.   Which brands does SC supply?​​

We provide ​​genuine new products​​ from leading brands, including but not limited to:
✅ ​​Bently Nevada​​ | ✅ ​​Endress+Hauser (E+H)​​ | ✅ ​​Pepperl+Fuchs (P+F)​​
✅ ​​MTL​​ | ✅ ​​Allen-Bradley (AB)​​ | ✅ ​​Rosemount (Emerson)​​
✅ ​​Yokogawa​​ | ✅ ​​AUMA​​ | ✅ ​​IFM​​ | ✅ ​​SMC​​ | ✅ ​​Festo​​
Need a specific brand? We can source it for you!

​​5.   Are SC’s products 100% genuine and new?​​

​​Yes!​​ We only supply ​​original, brand-new​​ products with full manufacturer warranties.

​​6.   Do SC’s products come with a warranty?​​

✅ ​​1-year warranty​​ for all products (except consumables like electrodes).

​​7.   What delivery terms does SC accept?​​

• ​  ​EXW (Ex-Works)​​
•   ​​CIF (Cost, Insurance & Freight)​​

​​8.   What currencies are accepted for payment?​​

• ​​  USD​​ | ​​EUR​​ | ​​CNY (RMB)​​ | ​​HKD​​

​​9.   What payment methods does SC support?​​

• ​​  T/T (Bank Transfer)​​
•   ​​Alipay​​ | ​​WeChat Pay​​

​​10.   How can customers contact SC?​​

• ​​  WhatsApp:​​ +86-13715021826
• ​  ​WeChat:​​ +86-15012673027 / +86-15012630876
•   ​​Email:​​ joy@cc-scauto.com

​​11.   What are SC’s working hours?​​

​​24/7 support!​​ We respond promptly to inquiries at any time.

​​12.   What is SC’s company philosophy?​​

"Honesty in Relationships, Excellence in Work – Integrity First."

​​13.   What shipping methods does SC support?​​

•   ​​Express Couriers:​​ DHL, UPS, TNT, FedEx
• ​  ​Special Routes:​​ Russia & Pakistan dedicated lines
•   ​​Customer’s Own Logistics:​​ Share your partner’s details, and we’ll arrange pickup.

​​14.   Where are goods delivered?​​

• ​​  Mainland China​​ or ​​Hong Kong​​ (brand-dependent).

​​15.   Does SC support pre-shipment inspection?​​

✅ ​​Yes!​​ If you cannot visit, a trusted third party can inspect on your behalf.

​​16.   What are SC’s payment terms?​​

• ​​  Full payment upfront​​ for orders delivered within ​​1 week​​.
• ​​  30% deposit​​ for orders with ​​longer lead times​​.

​​17.   Why choose SC Automation Limited?​​

✔ ​​  100% genuine products​​ with reliable warranties
✔   ​​Fast quotations & technical support​​ (e.g., E+H product selection)
✔ ​​  Year-round shipping​​ (excluding logistics holidays)
✔ ​​  Hassle-free sourcing​​ – Your trusted one-stop automation supplier!

​​Need more details? Contact us anytime!​