Honeywell MTL4521 Solenoid Driver | Intrinsic Safety Barrier
Honeywell MTL4521 Solenoid Driver | Intrinsic Safety Barrier
Manufacturer: Honeywell
Product No.: MTL4521
Condition:1000 in stock
Product Type: Safety Barriers & Drivers
Payment: T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months
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🔌 Honeywell MTL4521/L Solenoid & Alarm Driver Module
The Honeywell MTL4521 (also known as MTL5521) is a high-power intrinsically safe driver designed to control solenoid valves, alarm annunciators, and indicator lamps in hazardous area applications. This galvanically isolated barrier module delivers up to 1.2A output current while maintaining ATEX/IECEx Zone 0 certification, enabling direct control of field devices from safe area control systems.
⚙️ Driver Specifications
| Model: | MTL4521 / MTL5521 |
| Product Family: | MTL Intrinsic Safety Barriers |
| Function: | Solenoid Valve & Alarm Driver |
| Output Current: | 1.2A maximum (intrinsically safe) |
| Output Voltage: | 24V DC nominal |
| Input Signal: | Logic level or contact closure |
| Isolation: | Galvanic isolation (safe/hazardous areas) |
| Hazardous Area: | Zone 0, Zone 1, Zone 2 (ATEX/IECEx) |
| Intrinsic Safety: | [EEx ia] IIC T4 certification |
| Response Time: | <50ms typical |
| Mounting: | DIN rail (35mm standard) |
| Operating Temp: | -20°C to +60°C |
| Approvals: | ATEX, IECEx, FM, CSA, NEPSI |
🏭 Field Device Control Applications
Solenoid Valve Actuation: Drives pneumatic and hydraulic solenoid valves controlling process flows, emergency shutdown valves, and sample systems in refineries, chemical plants, and offshore platforms where explosive atmospheres require intrinsically safe control circuits rated for Zone 0/1 hazardous locations.
Alarm & Annunciation: Powers visual alarm beacons, audible horns, and indicator lamps in hazardous areas for fire & gas detection systems, high-level alarms, and emergency notification devices, ensuring personnel safety alerts remain functional in explosive environments without ignition risk.
Actuator Positioning: Controls electric actuators, damper motors, and valve positioners in combustible dust environments (grain elevators, pharmaceutical powder handling) and flammable vapor zones (paint spray booths, solvent recovery systems) where conventional 24V DC control would create explosion hazards.
Interlock & Safety Systems: Interfaces with PLC/DCS safety logic to operate isolation valves, ventilation dampers, and deluge system solenoids in safety instrumented systems (SIS) protecting against overpressure, toxic releases, and fire scenarios in petrochemical and LNG facilities.
💡 Design & Installation Advantages
High Current Capability: 1.2A output drives large solenoid coils (up to 30W) directly without external relays or amplifiers, reducing panel complexity by 40% and eliminating failure points in critical safety circuits where relay contact failures could prevent emergency valve closure.
Universal Compatibility: Accepts logic signals from PLCs, relay contacts, or switches, interfacing seamlessly with Allen-Bradley, Siemens, Schneider, and Honeywell control systems without signal conditioning or level conversion—reducing engineering time by 60% during system integration.
Fail-Safe Operation: Configurable for energize-to-trip or de-energize-to-trip modes ensures valves fail to safe positions during power loss or barrier failure, meeting API RP 14C and IEC 61511 requirements for process safety management in high-consequence facilities.
Simplified Certification: Pre-certified intrinsic safety parameters eliminate costly third-party approvals for each installation, reducing project timelines by 4-8 weeks and avoiding $10K-25K in certification fees for custom barrier designs in ATEX/IECEx jurisdictions.
📦 Module Package
- 1× Honeywell MTL4521 Solenoid Driver Module
- DIN rail mounting clip and hardware
- Intrinsic safety certification documents
- Installation manual with wiring diagrams
Genuine Honeywell MTL product with global safety certifications. Essential for instrumentation engineers, electrical designers, and safety system integrators implementing hazardous area control solutions. Compatible with all 24V DC solenoid valves and alarm devices.
Product Description
🔌 Honeywell MTL4521/L Solenoid & Alarm Driver Module
The Honeywell MTL4521 (also known as MTL5521) is a high-power intrinsically safe driver designed to control solenoid valves, alarm annunciators, and indicator lamps in hazardous area applications. This galvanically isolated barrier module delivers up to 1.2A output current while maintaining ATEX/IECEx Zone 0 certification, enabling direct control of field devices from safe area control systems.
⚙️ Driver Specifications
| Model: | MTL4521 / MTL5521 |
| Product Family: | MTL Intrinsic Safety Barriers |
| Function: | Solenoid Valve & Alarm Driver |
| Output Current: | 1.2A maximum (intrinsically safe) |
| Output Voltage: | 24V DC nominal |
| Input Signal: | Logic level or contact closure |
| Isolation: | Galvanic isolation (safe/hazardous areas) |
| Hazardous Area: | Zone 0, Zone 1, Zone 2 (ATEX/IECEx) |
| Intrinsic Safety: | [EEx ia] IIC T4 certification |
| Response Time: | <50ms typical |
| Mounting: | DIN rail (35mm standard) |
| Operating Temp: | -20°C to +60°C |
| Approvals: | ATEX, IECEx, FM, CSA, NEPSI |
🏭 Field Device Control Applications
Solenoid Valve Actuation: Drives pneumatic and hydraulic solenoid valves controlling process flows, emergency shutdown valves, and sample systems in refineries, chemical plants, and offshore platforms where explosive atmospheres require intrinsically safe control circuits rated for Zone 0/1 hazardous locations.
Alarm & Annunciation: Powers visual alarm beacons, audible horns, and indicator lamps in hazardous areas for fire & gas detection systems, high-level alarms, and emergency notification devices, ensuring personnel safety alerts remain functional in explosive environments without ignition risk.
Actuator Positioning: Controls electric actuators, damper motors, and valve positioners in combustible dust environments (grain elevators, pharmaceutical powder handling) and flammable vapor zones (paint spray booths, solvent recovery systems) where conventional 24V DC control would create explosion hazards.
Interlock & Safety Systems: Interfaces with PLC/DCS safety logic to operate isolation valves, ventilation dampers, and deluge system solenoids in safety instrumented systems (SIS) protecting against overpressure, toxic releases, and fire scenarios in petrochemical and LNG facilities.
💡 Design & Installation Advantages
High Current Capability: 1.2A output drives large solenoid coils (up to 30W) directly without external relays or amplifiers, reducing panel complexity by 40% and eliminating failure points in critical safety circuits where relay contact failures could prevent emergency valve closure.
Universal Compatibility: Accepts logic signals from PLCs, relay contacts, or switches, interfacing seamlessly with Allen-Bradley, Siemens, Schneider, and Honeywell control systems without signal conditioning or level conversion—reducing engineering time by 60% during system integration.
Fail-Safe Operation: Configurable for energize-to-trip or de-energize-to-trip modes ensures valves fail to safe positions during power loss or barrier failure, meeting API RP 14C and IEC 61511 requirements for process safety management in high-consequence facilities.
Simplified Certification: Pre-certified intrinsic safety parameters eliminate costly third-party approvals for each installation, reducing project timelines by 4-8 weeks and avoiding $10K-25K in certification fees for custom barrier designs in ATEX/IECEx jurisdictions.
📦 Module Package
- 1× Honeywell MTL4521 Solenoid Driver Module
- DIN rail mounting clip and hardware
- Intrinsic safety certification documents
- Installation manual with wiring diagrams
Genuine Honeywell MTL product with global safety certifications. Essential for instrumentation engineers, electrical designers, and safety system integrators implementing hazardous area control solutions. Compatible with all 24V DC solenoid valves and alarm devices.