Mercoid MPC Jr ¼ DIN level / pump controller, one or two pumps with alternation, 4–20 mA input, 24 V loop supply
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Quick overview
- Type: Level
- Signal / Protocol: Modbus, RS-485, RS-232, Relay / switch
- Hazardous area: General purpose
- Genuine productsSourced from the manufacturer or authorised channels
- Delivery across BangladeshDhaka, Chattogram and all industrial zones
- After-sales supportInstallation guidance and warranty handling
- Reply within 24 hoursCall +880 1713 552466 or email hello@argonmark.com
Specifications
| General | |
|---|---|
| Part no. | BD-1561 |
| Category | Oil & Gas Instruments |
| Group | Instrumentation & Control |
| Brand | Mercoid |
| Model | MPC Jr (MPCJR) |
| Technical | |
| Type | Level |
| Signal / Protocol | Modbus, RS-485, RS-232, Relay / switch |
| Hazardous area | General purpose |
Datasheet
Technical features
| On/off control of one or two pumps, valves or other devices with programmable differential | |
| Selectable pump alternation to even out wear | |
| Two programmable alarm contacts with front lights | |
| Built-in 24 V DC transmitter supply | |
| Security lock-out of programming and set points | |
| Options | 4–20 mA or 0–10 V retransmission; RS-232/485 Modbus |
|---|---|
Applications
| Lift station and sump pump control | |
| Tank fill and empty control | |
| Level alarms |
Key specifications
| Input | 4–20 mA or 0–10 V from level transmitter |
|---|---|
| Outputs | 2 SPDT pump relays (10 A) + 2 alarm relays (3 A) |
| Accuracy | ±0.25% of span |
| Transmitter supply | 24 V DC, 50 mA |
| Power | 100–240 V AC or 132–240 V DC |
| Front panel | ¼ DIN, IP66 / UL 4X |
Specification
| Inputs | 4 (or 0)–20 mA or 2 (or 0)–10 V DC, selectable |
|---|---|
| Control relays | 2 × SPDT, 10 A at 240 V AC resistive; ¼ hp at 120 V AC, ⅓ hp at 240 V AC |
| Alarm relays | 2 × SPST, 3 A at 240 V AC resistive; front alarm lights |
| Control action | On/off, reverse (pump out) or direct (pump in), programmable differential |
| Accuracy | ±0.25% of span ±1 digit |
| Display | Two 4-digit 14 mm red LED displays (level and set point) |
| Transmitter supply | Isolated 24 V DC, 50 mA |
| Power | 100–240 V AC 50–400 Hz or 132–240 V DC; 7.5 VA |
| Memory | Non-volatile (no battery) |
| Communication (option) | RS-232 or RS-485 Modbus RTU |
| Ambient | −10 to 55 °C; 0–90% RH non-condensing |
| Front panel | ¼ DIN, 92 × 92 mm cut-out; UL Type 4X / IP66 |
| Weight | 454 g |
| Approvals | CE, UL, cUL |
| Input impedance | 10 Ω (current); 5 kΩ (voltage) |
| Pump-on outputs | 15 V DC, 20 mA (for run-time meters) |
Notes
| Data from the manufacturer's published datasheet. Confirm model, range, materials and approvals with Argonmark before ordering. |
Photo: courtesy of Mercoid, used with permission (source) — background removed by Argonmark. All photo credits
Description
The Mercoid MPC Jr is a ¼ DIN pump and level controller that reads almost any 4–20 mA or 0–10 V level transmitter and switches one or two pumps through 10 A SPDT relays, with selectable alternation to share the wear between pumps. Two more alarm relays with front lights handle high and low level alarms.
It shows the level and set point on two LED displays (±0.25% of span), powers the transmitter from a built-in 24 V supply, runs on 100–240 V AC, and has an IP66 front for outdoor panels. Retransmission and Modbus options are available.
Argonmark Ltd supplies Mercoid instruments across Bangladesh — Dhaka, Chattogram, Gazipur, Narayanganj and the gas fields, refineries, terminals and power plants beyond. Send us the model, range, process connection, output and any hazardous-area requirement, and we will confirm the right configuration, lead time and price.
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