IEC Starter Mounting Systems
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Bulletin 141A Modular Control System (MCS) Mounting Systems provide several different mounting solutions for IEC loadfeeders. Factory-assembled Bulletin 103 Non-Reversing and Bulletin 107 Reversing starters are available for these mounting solutions. Our mounting systems include preconfigured circuit breaker modules for feeding and protecting a busbar system. |
Features
- Easy starter exchange
- Flexible field assembly of starters
- Busbars, top hat rails, and screw-fixing mounting methods
Products
- 141A MCS Mounting System
Certifications
- cULus Recognized
Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.
Learn More
The Bulletin 141A Modular Control System (MCS) Mounting System offers flexible, modular solutions for your power outputs. The mechanically and electrically coordinated components provide savings in planning, assembly, mounting and operation. MCS components include:
- Contactors: 100-K, C, D and G
- Motor Protection Circuit Breakers: 140M
- Motor Circuit Protectors: 140M
- Molded Case Circuit Breakers: 140U
- Electronic Overload Relays: 193E
- Thermal Overload Relays: 193-CT, K, T
- Safety Contactors and Control Relays: 100S, 700S
- Control Relays: 700-CF, CFB, 700-K
- Mounting System: 141A
Frequently Viewed Publications
| Title | Number | Language |
|---|---|---|
| Bulletin 141A Mounting System Series B Product Profile | 141A-PP003 |  EN |
| Mounting System Solutions Product Profile | 141A-PP004 | EN |
| MCS Star Configuration Software Tutorial | 141A-IN003 | EN |
| Bulletin 141A Mounting System Temperature Rise Calculation Software Tutorial | 141A-IN004 | EN |
Product Catalog
Find catalog numbers, certifications, and specifications.
Certifications
See our Product Certification site for Declarations of Conformity, certificates and other certification details.
Can’t Find What You Need?
Browse our Literature Library where you can search for additional publications in more languages. You can also use the Advanced Search feature to search by catalog number, publication type, title, or keywords to narrow your results.Build This Catalog Number
Build or verify a catalog number, and get information and CAD drawings for these products.
Configuration & Selection Tools
- CrossWorks — Convert competitive catalog numbers to similar Allen-Bradley® products.
- MCS Star — Configure a Modular Motor Control System.
- ProposalWorks — Build complete quotes and proposals.
Other Resources
- Knowledgebase — Visit our online resource for technical information, support chat and forums, software updates, and product safety advisories/notices.
Accessories
We offer a variety of accessories for your MCS Mounting Systems, including:
- Connection clip
- Control plugs
- Hat (DIN) rails
- Micro switch
- Spacer modules