Shenzhen Hengyo Power Technology Co., Limited
| Payment Terms | T/T,Western Union |
| Supply Ability | 500pcs/month |
| Delivery Time | In stock |
| Packaging Details | original package |
| Condition | MTL original brand new |
| Warranty | one year |
| Application | oil gas chemical industry |
| Shipping way | DHL FedEx |
| Brand Name | Eaton |
| Model Number | MTL7764AC |
| Place of Origin | England |
| Certification | CE |
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Product Specification
| Payment Terms | T/T,Western Union | Supply Ability | 500pcs/month |
| Delivery Time | In stock | Packaging Details | original package |
| Condition | MTL original brand new | Warranty | one year |
| Application | oil gas chemical industry | Shipping way | DHL FedEx |
| Brand Name | Eaton | Model Number | MTL7764AC |
| Place of Origin | England | Certification | CE |
| High Light | MTL Zener safety barrier isolator ，intrinsic safety barrier with warranty ，MTL7764AC Zener barrier isolator | ||
The MTL7764AC is a high-performance shunt-diode safety barrier (Zener barrier) from Eaton's Crouse-Hinds series MTL7700 range, specifically engineered for strain-gauge bridge circuits, load cells, and Wheatstone bridge applications requiring intrinsic safety protection in hazardous areas.
This passive device limits the voltage and current that can reach a hazardous area under fault conditions, preventing ignition of flammable atmospheres. With a rated voltage of 12 V, end-to-end resistance of 1,000 Ω, and maximum current of 12 mA, the MTL7764AC is the ideal solution for protecting sensitive strain-gauge based measurement equipment in Zone 0, 1, and 2 hazardous locations (gas groups IIC, IIB, IIA).
The device features a compact 12 mm width and standard DIN rail mounting for easy integration into existing control cabinets.
| Code Segment | Meaning |
|---|---|
| MTL | MTL Instruments Group (now Eaton) |
| 77 | MTL7700 series — Shunt-diode safety barriers |
| 64 | Specific barrier configuration for strain-gauge bridges |
| AC | AC/DC compatible — suitable for both AC and DC circuits |
The "AC" suffix indicates compatibility with AC circuits, distinguishing it from polarity-sensitive models.
| Parameter | Value |
|---|---|
| Manufacturer | Eaton (Crouse-Hinds series MTL) |
| Series | MTL7700 Range |
| Product Model | MTL7764AC |
| Alternative Part Number | 5710-032-006 |
| Product Type | Shunt-Diode Safety Barrier (Zener Barrier) |
| Parameter | Value |
|---|---|
| Working Voltage (Vwkg) | 12 V |
| Maximum Current | 12 mA |
| End-to-End Resistance | 1,000 Ω |
| Resistance Tolerance | ±10 % |
| Fuse Rating | 50 mA |
| Number of Channels | 1 (single-channel) |
| Polarity | AC (non-polarized) |
| Parameter | Value |
|---|---|
| Gas Groups | IIC, IIB, IIA |
| Zones | Zone 0, 1, 2 |
| Safety Description | 12 V, 1,000 Ω, 12 mA |
| Parameter | Value |
|---|---|
| Width | 12 mm |
| Height | 86 mm |
| Length/Depth | 105 mm |
| Weight | 100 g / 0.121 kg |
| Enclosure Material | Polycarbonate |
| Mounting | DIN rail (35 mm) |
| Terminals | Screw terminals |
The MTL7764AC is a passive shunt-diode safety barrier that operates on the Zener barrier principle. It limits both voltage and current that can be delivered to a hazardous area circuit under fault conditions.
The MTL7764AC is specifically designed for strain-gauge and load cell applications in hazardous area installations:
| Industry | Application |
|---|---|
| Oil & Gas | Tank level measurement using load cells on storage tanks in Zone 0/1 areas |
| Chemical Processing | Vessel weighing systems, hopper scales, and silo level monitoring |
| Pharmaceutical | Batch weighing systems for solvent handling equipment requiring Ex protection |
| Mining | Conveyor belt weighing systems, bin level monitoring |
| Food & Beverage | Tank weighing for flammable liquid storage (spirits, oils) |
| Marine & Offshore | Cargo tank monitoring, mooring line tension measurement |
| Model | Working Voltage | Current | Resistance | Polarity | Application |
|---|---|---|---|---|---|
| MTL7764AC | 12 V | 12 mA | 1,000 Ω | AC | Strain-gauge bridges, load cells |
| MTL7760ac | 7 V | 72 mA | 85 Ω | AC | General purpose AC circuits |
| MTL7761ac | 10 V | 93 mA | 300 Ω | AC | AC circuits, general purpose |
| MTL7761Pac | 10 V | 93 mA | 300 Ω | AC | Power bus version |
| MTL7765ac | 12 V | 93 mA | 300 Ω | AC | AC circuits, higher current |
| MTL7766ac | 14 V | 93 mA | 300 Ω | AC | AC circuits, higher voltage |
| MTL7766Pac | 14 V | 93 mA | 300 Ω | AC | Power bus version, 12.3 V for 350 Ω bridge |
| Parameter | Detail |
|---|---|
| Mounting | Standard 35 mm DIN rail (EN 60715) |
| Terminals | Screw terminals (accepts up to 2.5 mm² wire) |
| Grounding | Requires high-integrity earth ground connection |
| Clearance | Minimal — 12 mm width enables high-density installation |
| Operating Position | Any orientation |
| Certification | Status | Details |
|---|---|---|
| ATEX | Certified | BAS01 ATEX 7217 — II (1) GD [Ex ia] IIC |
| TIIS (Japan) | Certified | TC16441 (expired July 2024, renewal available) |
| Factory Mutual (FM) | Approved | For load cell applications with 1-4 load cells |
| CSA | Certified | North American approval |
| RoHS | Compliant | Lead-free |
| CE | Compliant | EMC Directive |
| Model | Function | Description |
|---|---|---|
| MTL7761ac | Excitation Supply | 10 V, 300 Ω source for bridge excitation |
| MTL7764ac | Bridge Sense | 12 V, 1,000 Ω, 12 mA — senses bridge supply voltage |
| MTL7766Pac | Bridge Power | 14 V, 300 Ω — provides 12.3 V for 350 Ω bridge |
| MTL7761Pac | Power Bus Version | Same as MTL7761ac with power bus capability |
| MTL7706+ | Single-Channel Barrier | 28 V, 93 mA, 300 Ω — general purpose positive polarity |
| MTL7787+ | Dual-Channel Barrier | 28 V, 93 mA, 300 Ω — general purpose positive polarity |
The MTL7700 series offers a complete range of shunt-diode safety barriers for all intrinsic safety applications.
Company Details
Business Type:
Distributor/Wholesaler,Exporter,Seller,Manufacturer,Trading Company
Year Established:
2013
Total Annual:
2000000-5000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Shenzhen Hengyo Power Technology Co., Limited is your best partner for industrial automation. We provide ideal design and solution for automated industries with products from different international brands like MTL, PEPPERL+FUCHS, Phoenix Contact, Weidmueller, Honeywell, Max, Tamagawa, Delta, Panaso... Shenzhen Hengyo Power Technology Co., Limited is your best partner for industrial automation. We provide ideal design and solution for automated industries with products from different international brands like MTL, PEPPERL+FUCHS, Phoenix Contact, Weidmueller, Honeywell, Max, Tamagawa, Delta, Panaso...
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