About Dwyer MTL7706 Zener Barrier
Dwyer MTL7706 Zener Barrier
OVERVIEW
Features
- Transmitter Voltage: 16.2 V @ 20 mA with 250 load (negative w.r.t. earth); 11.0 V @ 20 mA with 500 load (negative w.r.t. earth)
- Safe Area Output: 4 to 20 mA
- Load Resistance: 0 to 500.
- Accuracy: 2 A under all conditions
- LED Indicator
- Safety Description: 28 V, 300, 93 mA
- Weight: 4.9 oz (140 g).
- Agency Approvals: See table on Catalog Page.
DESCRIPTION
The Dwyer MTL7706/7787 is an intrinsically safe (IS) shunt-diode barrier that can be used to communicate with and provide isolations for certain Dwyer Transmitters Approved for use in hazardous areas. These barriers limit the amount of energy allowed to pass into the Hazardous area, which inhibit ignition in Flammable Atmospheres.
Product Applications
- Electrically Isolates Pressure and Level Transmitters From Unregulated Circuits For Intrinsically Safe Applications
| Model |
Description |
| MTL7706 |
Intrinsically safe Zener Barrier. |
| MTL7787 |
Intrinsically safe Zener Barrier.
|
Robust Safety Barrier for Hazardous Areas
Designed for industrial applications, the MTL7706 ensures equipment safety in hazardous zones through certified intrinsic safety mechanisms. Its anodized aluminum construction and IP20 ingress protection offer durability during extended use and under challenging conditions, making it a dependable choice for critical environments.
Versatile Mounting and Simple Integration
The MTL7706 Zener Barrier supports straightforward DIN rail installation with screw clamp terminals, allowing seamless integration into new or existing automation panels. Included mounting clip streamlines setup and facilitates efficient maintenance. The barriers slim dimensions fit tight spaces, increasing flexibility for panel designers.
FAQs of Dwyer MTL7706 Zener Barrier:
Q: How is the Dwyer MTL7706 Zener Barrier typically installed in hazardous areas?
A: The MTL7706 Zener Barrier is designed for simple DIN rail mounting using a supplied mounting clip. Its screw clamp terminals enable secure and straightforward wiring, ensuring reliable connections in industrial safety panels.
Q: What applications are ideal for the MTL7706 Zener Barrier?
A: This barrier is best suited for intrinsic safety applications, such as interfacing field sensors and instrumentation in hazardous zones. It provides certified explosion-proof protection, meeting ATEX and IECEx standards for process automation in industries across India.
Q: When should I use a Zener Barrier like the MTL7706?
A: A Zener barrier should be employed when you need to limit voltage and current to prevent ignition in hazardous environments, especially where flammable gases or dust may be present. Its essential for achieving intrinsic safety compliance in industrial automation setups.
Q: Where can the MTL7706 Zener Barrier be sourced in India?
A: The MTL7706 is available through authorized manufacturers, suppliers, traders, and wholesalers specializing in industrial safety equipment across India. It is commonly stocked due to its reliability and approvals for hazardous area use.
Q: What benefits does the MTL7706 Zener Barrier offer in terms of safety and reliability?
A: It provides certified protection against over-voltage and current surges, safeguarding equipment and personnel in hazardous areas. Its robust, anodized aluminum case and secure termination style ensure consistent performance and minimal maintenance needs.
Q: How does the intrinsic safety certification of the MTL7706 ensure protection?
A: The MTL7706 meets international approvals like ATEX and IECEx for intrinsic safety. This means it is tested to prevent any electrical faults from causing explosions in flammable atmospheres, ensuring safe operation within its 28V/300mA specifications.