Maintenance teams planning replacements for MT4Y-AA-40 frequently review Autonics Proximity Sensor, Autonics M4M1P Di Xx and Autonics Tcn4 Series to prevent downtime, checking availability and compatibility with existing systems.
Autonics MT4Y-AA-40 Digital Panel Meter
The Autonics MT4Y-AA-40 Digital Panel Meter offers 4-digit 7-segment LED display method, 14.2mm character height, -1999 to 9999 display range, AC current, Frequency measurement. Manufactured by Autonics under the Autonics Digital Panel Meter category, this model belongs to the Autonics MT4Y Series.

| Brand | Autonics |
| Product Type | Digital Panel Meter |
| Model Number | MT4Y-AA-40 |
Autonics MT4Y-AA-40 Digital Panel Meter β Technical Specifications
| Specification | Value |
|---|---|
| Display method | 4-digit 7-segment LED |
| Character height | 14.2mm |
| Max. display Range | -1999 to 9999 |
| Measurement | AC current, Frequency |
| Input specification | 0-5A, 0-2.5A, 0-1A, 0-500mA, 0-250mA, 0-100mA, 0-50mA |
| AC Measurement | Average value (AVG), Root mean square value (RMS) |
| Power supply | 100-240VAC~ 50/60Hz |
| Output_Main Output(Comparative Value) | Relay (HI, GO, LO) |
| Display accuracy | Γ’β¬Β’ 23Γ’βΖΓΒ±5Γ’βΖ - ΓΒ± 0.3 % F.S. rdg ΓΒ± 3 digit (frequency: ΓΒ± 0.1 % F.S. rdg ΓΒ± 2-digit)Γ’β¬Β’ -10Γ’βΖ to 50Γ’βΖ - ΓΒ± 0.5 % F.S. rdg ΓΒ± 3-digit |
| A/D conversion method | ΓΒ£Γβ (Sigma Delta) ADC |
| Sampling cycle | 16.6ms |
| Hold function | Includes (external hold function) |
| Environment_Ambient temperature | -10 to 50Γ’βΖ, storage: -20 to 60Γ’βΖ |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Insulation type | Double insulation or reinforced insulation(mark: @(INS), dielectric strength between the measuring input part and the power part: 1kV) |
| Protection structure | IP56 (front part, IEC standard) |
| Unit weight (packaged weight) | Γ’β°Λ 134 g (Γ’β°Λ 213.5 g) |
The Autonics MT4Y-AA-40 Digital Panel Meter from the MT4Y Series is designed to deliver high-precision AC current and frequency measurement for industrial automation systems. It supports a wide input range from 0β50 mA to 0β5 A, ensuring compatibility with various process control requirements. The unit operates on a 100β240 VAC power supply, offers relay outputs (HI, GO, LO) for control signaling, and maintains Β± 0.3 % F.S. accuracy at 23 Β°C. Manufactured by Autonics Corporation, this model combines reliability, speed (16.6 ms sampling cycle), and stability for continuous monitoring in automation panels and equipment.
In industrial automation environments, the Autonics MT4Y-AA-40 plays a vital role in monitoring current flow and system performance. It is widely used in machine control panels, motor load testing units, and energy management systems, where accurate current and frequency data are essential. The IP56 front protection and reinforced insulation enhance durability under high-humidity or dusty conditions. Engineers benefit from its relay outputs (HI, GO, LO) for alarm control and status feedback, making the meter an ideal choice for use in industrial plants, HVAC systems, and electrical testing benches across India.
Autonics Corporation, a trusted name in automation instrumentation, ensures each product is engineered for long-term reliability and precision. The MT4Y-AA-40 Digital Panel Meter reflects the brandβs commitment to quality, featuring a Sigma Delta ADC for stable signal processing and an external hold function for measurement control. With its ISO-certified production and proven track record in industrial applications, Autonics delivers accuracy and performance that OEMs and system integrators can depend on for monitoring and automation projects across the nation.
Within the MT4Y Series, users can select models tailored to their specific application needs. The Autonics MT4Y-AA-40 Digital Panel Meter</strong features a relay output (HI, GO, LO) ideal for alarm control and signal switching in automation panels. For setups requiring both relay (LO) output and PV transmission (DC 4β20 mA) for remote monitoring, the Autonics MT4Y-AA-43 Digital Panel Meter is a suitable alternative. Both models share identical display designs, IP56 protection, and LED indication performance, offering flexibility for system integrators and engineers managing multi-parameter monitoring tasks.
The Autonics MT4Y-AA-40 Digital Panel Meter delivers precise AC and frequency measurement with a reliable relay output (HI, GO, LO), durable construction, and rapid sampling response. Its robust design and stable operation make it ideal for industrial control and automation applications. Backed by Autonicsβ engineering excellence and nationwide availability through IndMALL, this meter stands as a dependable choice for engineers and technicians across India.




