DESIGN ENGINEERING HYBRID AUTOMATION SYSTEMS
  PROJECTS SCADA SYSTEMS
  ENERGY ECONOMY DATA LOGGING
  AUTOMATION & CONTROLS RECIPE CONTROL
  SWITCHGEARS & CONTROLGEARS SOFTWARE ENGINEERING
  RELAYS WEB SERVICES
         


Design Engineering

Providing complete Electrical, Instrumentation and Control Engineering Details with Drawings, Equipment specifications, procurement, Inspection, Erection Supervision, Testing, Commissioning Troubleshooting & efficient running of Plant & Machinery etc. to individual client requirements.
Read More

Energy Economy

Energy Audit, Locating energy wastage points, monitoring energy utilization. Reducing energy costs. Monitoring plant maintenance, machine availability, spares inventory control. Machine life expectancy and replacement scheduling.
Read More

Automation & Controls

Complete execution of PLC-PC Automation systems, preparing Logic charts, Ladder Diagrams, P&I drawings, Hard and Soft Mimics, Field controllers, Remote 10 Terminals etc. Providing end to end solutions. Remote operation of Plant and Machinery, Building Automation.
Read More

SCADA Systems

Aquiring data from PLC & Field equipment. Providing supervisory control, processing aquired data. Generating Alarms & Events Logs, Graphic software Mimics of Plant Showing current status of Machines and allowing remote operation by PC from anywhere. HMI/HMI (Man Machine interface), GUI (Graphic User interface) terminals.
Read More

Switchgear & Controlgear

Switchboards, Distribution Panels, MCC, PCC, LT Panels, Control Desks, Mimic, PLC & IO Panels, Interface Relays, LCC’s etc.
Read More

Relays

Protection & Control Relays for Automatic Power Factor Correction, Earth Fault, Over-current, Short Circuit Protection. Interposing Relays for I/O circuits of PLC, Master Trip Relays.
Read More







Home > Relays > Master Trip Relay

Relays
Master Trip Relay - AVAJH


Description
A fast operating, multi-contact, attracted armature relay with a high degree of mechanical stability. Type AVAJH13 has hand-reset contacts and an operating coil cut-out contact. Type AVAJS13 has self-reset contacts. Both types have an operating current in excess of 0.025 Amp. And are suitable for operation on D.C. supplies.

Coil Rating
24, 110 or 220 Volts D.C. (Other ratings available on request.)
The relays operate satisfactorily down to 50% of rated voltage.
The operating coil of type AVAJS13 and AVAJH13 is continuously rated for 120% or rated voltage.

Operating Time
Approximately 0.012 second at rated voltage.

Burden
Type AVAJH13 is available in two variations - high burden and low burden
Type AVAJS13 is a low burden relay.
 
Coil Rating  AVAJH13 (H) AVAJH13 (L)   AVAJS13(L)
30 150 5 4
110 150 18 14
220 150 37 28

Contacts
AVAJH13 Four pairs, hand-reset, in any combination of make & break.
AVAJS13 Four pairs, self-reset, in any combination of make & break with a maximum of two break.
Heavy duty contacts can be provided, if required.

Operation Indicator
AVAJH13 - Mechanically operated, hand reset. AVAJS13 - Can be supplied with or without an operation indicator.

Case
125W x 155H x 145D mm (116 x 145mm cutout)

 
 

 

       
           
           
           

 

 
Hybrid Automation Systems

Highly dependable Automation systems with standby conventional manual controls. Specially designed for industries where skilled technicians are not available.
Read More

Recipe Control & Batch Operations

Operating Plant & Machinery to produce specified quality of products to selected recipes. Preventing human errors. Controlling Blending, Dosing and process operations.
Read More

Projects

End to End solutions from inception to Economic operation of industry. Building and Hotel Automation enhancing comfort at lower costs. Turnkey execution of Electrification and Automation control projects, including design, engineering, providing man and materials, monitoring, testing and commissioning, production and economy control of the systems.
Read More

Data Logging

Direct acquisition (DAQ & DCS) of production, operation, instrumentation, alarm & events data from machines and field instruments. Storing and processing aquired data, generating production and economy statements and reports. Logging and monitoring violation of set values.
Read More

Software Engineering

Custom Built commercial & Technical Software for enhancing and optimization of Business, including inventory control, cost analysis data, quality control etc.
Read More

Web Services

Website design & development, updating & renovation, free hosting, domain registration, website promotion & marketing, free consultation, multimedia services, e-commerce solutions, database development, internet solutions
Read More