Acromag’s 361A 461A is a DC Voltage/Current Input Limit Alarm Module.
Firstly, these alarms accept DC voltage/current input signals and provide relay output if the input exceeds user-defined set-point limits.
Secondly, features make these alarms easy to use and well-suited for a wide range of limit monitoring and on/off controller applications. Three-way isolation eliminates ground loops to simplify installation. And for easier use in the field, these alarms withstand extreme temperatures. Plus, have accessible set-point voltage test points. Other features include alarm/power status LEDs and independent set-point and dead band adjustment pots.
Models:
Input Ranges:
- 0 to 20mA DC
- 0 to 1V, 0 to 5V, 0 to 10V, 0 to 50V, 0 to 100V DC
- With external AC Current Sensor 0 to 20A AC
Output:
Electromechanical SPDT dry contact sealed relays; CSA rated for 5A
Power Requirements:
361A: 10 to 36V DC (0.9W max.)
461A: 115V AC (0.0320A) or 230V AC (0.016A)
Features of the DC Voltage/Current Input Limit Alarm 361A 461A include:
- 100% adjustable set-point via 15-turn pot handles more applications and provides better resolution
- 100% adjustable dead band via 15-turn pot prevents false trips and eliminates alarm chatter
- Set-point test points are accessible on front of unit for quick verification with digital voltmeter probe
- Dual relays offer the flexibility of high/low, high/high, or low/low alarm set-point operation
- Three-way isolation eliminates ground loops
- Jumper-selectable DC voltage or current input reduces inventory stock
- Jumper-selectable fail-safe operation enables alarm actuation on power loss in critical applications
- Wide power supply range (361A) handles more applications to reduce inventory stock
- DC power units (361A only) carry lower voltages and do not require expensive conduit for safer and easier installation
- Diode-coupled power (361A only) supports the use of redundant power supplies for critical applications
- Excellent accuracy, stability and no loose internal wiring ensure reliable alarm trips
- Operating temperature range: -25°C to 75°C
- DIN rail G or T mount
- No certification/approval required
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