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1sna031803r1000 – 48vac opto w/led
TE Connectivity Entrelec 1SNA031803R1000 BNMS-T48VAC-1 is a 48 V AC input optocoupler plug with LED indication, 2.5 kV galvanic isolation and a maximum 58 V DC / 30 mA output for industrial automation and control signal interfacing.
Why Choose the TE Connectivity Entrelec BNMS-T48VAC-1 Optocoupler Plug?
The TE Connectivity Entrelec BNMS-T48VAC-1, part number 1SNA031803R1000, is a compact 48 V AC input optocoupler plug with LED indication designed for signal isolation and interfacing in industrial automation and control systems. Part of the Entrelec Interfast MS range, it enables control signals to be transferred between electrically isolated circuits while providing clear visual indication of the input state.
Designed for a nominal 48 V AC input, the BNMS-T48VAC-1 operates across an input voltage range of 40.8–52.8 V AC with a maximum input current of 4.5 mA. Its solid-state output is rated up to 58 V DC / 30 mA, making the module suitable for PLC inputs, automation electronics and other low-current industrial signal circuits.
The optocoupler provides 2.5 kV input-to-output isolation and has a typical triggering threshold of 22 V AC. Switching characteristics of approximately 6 ms / 10 ms, combined with an industrial operating temperature range of -20 to +55 °C, support dependable operation in machine controls, process automation and electrical control panels.
Key Advantages
- Designed specifically for 48 V AC industrial control signals.
- Provides 2.5 kV input-to-output galvanic isolation.
- Integrated LED indication provides convenient visual status monitoring.
- Low maximum input current of 4.5 mA.
- Solid-state output rated up to 58 V DC / 30 mA.
- Part of the established TE Connectivity Entrelec Interfast MS interface system.
Key Features
- TE Connectivity Entrelec BNMS-T48VAC-1.
- 48 V AC nominal input.
- 40.8–52.8 V AC input voltage range.
- 4.5 mA maximum input current.
- 22 V AC typical triggering threshold.
- 58 V DC / 30 mA maximum output rating.
- 2.5 kV input/output isolation.
- Integrated LED for visual operating status indication.
Reliable 48 V AC Signal Isolation for Industrial Automation
Industrial controllers and field equipment often operate on different electrical potentials, making effective signal isolation important for reliable automation systems. The TE Connectivity Entrelec BNMS-T48VAC-1 uses optical coupling to transfer a 48 V AC control signal across an electrically isolated barrier, providing 2.5 kV isolation between the input and output circuits.
The integrated LED gives maintenance and commissioning personnel an immediate visual indication of signal status, while the solid-state output eliminates mechanical contact wear. With its Interfast MS plug format and industrial temperature rating, the 1SNA031803R1000 provides a practical solution for PLC interfaces, machine controls and process automation applications requiring isolated 48 V AC signal monitoring.
Typical Applications
- PLC input signal interfacing.
- 48 V AC industrial control circuits.
- Machine and production equipment controls.
- Process automation and instrumentation systems.
- Galvanic isolation between field and control circuits.
- Industrial electrical and automation control panels.
Technical Specifications
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| Terminal Type | Component (diode/LED) | |
|---|---|---|
| Product Series | TE Interfast | |
| Connection | Pluggable | |
| Manufacturer | TE Connectivity / Entrelec | |
| Series | Interfast MS | |
| Model | BNMS-T48VAC-1 | |
| Product code | 1SNA031803R1000 | |
| Product type | Input optocoupler plug with LED indication | |
| Nominal input voltage | 48 V AC | |
| Input voltage range | 40.8–52.8 V AC | |
| Maximum input current | 4.5 mA | |
| Typical triggering threshold | 22 V AC | |
| Switching time | 6 ms / 10 ms | |
| Input leakage current | 1 mA | |
| Maximum output voltage | 58 V DC | |
| Maximum output current | 30 mA | |
| Residual output voltage | 2.3 V typical / 2.7 V maximum | |
| Input/output isolation | 2.5 kV | |
| Operating temperature | -20 to +55 °C | |
| Storage temperature | -30 to +80 °C | |
| Indication | Integrated LED | |
| ETIM classification | EC001504 - Optocoupler | |
| Pack quantity | 4 pcs | |
| EAN | 3472590318037 |
Frequently Asked Questions
What is the TE Connectivity Entrelec 1SNA031803R1000 used for?
The 1SNA031803R1000 is a 48 V AC input optocoupler plug used to transfer industrial control signals while providing galvanic isolation between the input and output circuits.
What input voltage does the BNMS-T48VAC-1 accept?
The BNMS-T48VAC-1 is designed for a nominal 48 V AC input and has a specified operating input range of 40.8–52.8 V AC.
What is the output rating of the 1SNA031803R1000?
The optocoupler provides a solid-state output rated up to 58 V DC and 30 mA, making it suitable for low-current industrial control and automation signal circuits.
What isolation does the BNMS-T48VAC-1 provide?
The module provides 2.5 kV input-to-output isolation, allowing signals to be transferred without a direct electrical connection between the input and output circuits.
Does the 1SNA031803R1000 include an LED indicator?
Yes. The BNMS-T48VAC-1 incorporates LED status indication, providing a convenient visual indication of the control signal state during operation, commissioning and troubleshooting.
Trusted Industrial Signal Interfacing
TE Connectivity Entrelec Interfast MS optocoupler components provide compact signal isolation for industrial automation, helping panel builders and control engineers create organised and dependable interfaces between field signals and control electronics.
