ABB 1TNE968902R1103 ABB 1TNE series original mechanical interlock auxiliary fitting
This item belongs to ABB 1TNE series original mechanical interlock auxiliary fitting, specially designed to cooperate with ABB modular contactors for low voltage motor control and power distribution cabinet circuits. Manufactured following IEC international electrical standards and ABB global production specifications, it adopts compact modular design for standard DIN rail installation, featuring reliable mechanical performance and strong environmental adaptability. It works as essential safety component to prevent main circuit short circuit caused by simultaneous closing of two interrelated contactors in forward-reverse and dual power switching control circuits.
Description
1.Product Brief Introduction
This item belongs to ABB 1TNE series original mechanical interlock auxiliary fitting, specially designed to cooperate with ABB modular contactors for low voltage motor control and power distribution cabinet circuits. Manufactured following IEC international electrical standards and ABB global production specifications, it adopts compact modular design for standard DIN rail installation, featuring reliable mechanical performance and strong environmental adaptability. It works as essential safety component to prevent main circuit short circuit caused by simultaneous closing of two interrelated contactors in forward-reverse and dual power switching control circuits.
2.Model Definition Explanation
1TNE is unified coding prefix of ABB low voltage control spare parts for global order management and product classification.9689 is internal catalog code standing for mechanical interlock accessory product group.02 means updated basic structural version different from the 01 base code series.R represents standard finished product configuration under ABB internal component coding rules.1103 is exclusive configuration code with customized linkage travel and assembly dimension parameters to match designated contactor types, differing from 1101 and other suffix specifications.
3.Technical Specifications
Rated insulation voltage is 690V, applicable for AC 50Hz and 60Hz working conditions. Mechanical service life exceeds 10 million switching cycles under rated operating environment. Working ambient temperature ranges from -25℃ to +70℃, storage temperature covers -40℃ to +85℃. Protection grade is IP20 for cabinet inner installation to avoid large particle foreign substance invasion. Mechanical linkage load is calibrated matching paired contactor mechanical characteristics without extra load on contactor moving parts, short-time withstand property follows matched main contactor technical standards.
4.Interface and Communication Configuration
It is purely mechanical structure accessory with no built-in electronic circuit and communication chip, no reserved wiring terminals for Modbus, Profibus and other fieldbus communication. Exclusive buckle-type mechanical docking interface connects directly with moving mechanism of matched contactors. Bottom integrated snap structure enables fast fixation on standard 35mm DIN rail, no electrical signal terminals for status feedback or data communication are arranged.
5.Core Functions
The core function is bidirectional mechanical interlock for two matched contactors. After one contactor closes completely, internal limit structure mechanically locks the moving stroke of another contactor to block its closing action, avoiding serious short-circuit fault from synchronous pull-in of forward-reverse or dual power supply contactors. It also supplies mechanical restriction during equipment manual maintenance and debugging to prevent accidental misoperation closing, raising overall operation safety of control circuit.
6.Application Scenarios
It is widely used in forward-reverse control loops of water pumps, fans, conveyor machines and all kinds of automatic processing equipment. Main installation positions include industrial MCC control cabinets, civil building low voltage distribution cabinets and automatic dual-power switching control loops. It also cooperates with frequency converter peripheral circuits and small PLC matching control cabinets for safety protection of bidirectional drive and power switching in factory automation and building power distribution projects.
7.Operation and Maintenance Instructions
Check housing crack, linkage deformation and component damage before installation, confirm applicable contactor model matches 1103 configuration requirement. Fix the accessory onto DIN rail by snap installation, manually operate matched contactors to test linkage flexibility and ensure no jamming. Carry out routine inspection every six months, remove dust and sundries inside linkage gaps with dry soft brush, grease coating on friction surface is forbidden to prevent dust bonding and mechanical clamping stagnation. Replace the whole accessory immediately when blocking or function failure occurs during running, arbitrary cutting or structural alteration on product shell is prohibited.
Get a Quote