MTT MS3004 Terminal Block Type High-Level Signal Conditioner (Isolator)

The MTT MS3004 terminal block signal conditioner takes a high-level DC current or voltage signal and re-issues it as a clean, isolated DC output that your PLC, DCS, or data logger can trust. Because input, output, and power are fully isolated from one another, it breaks ground loops and blocks common-mode noise before it reaches your control system — a common source of erratic readings in panels that also carry motor drives or switching power supplies.

The compact DIN-rail housing mounts directly where the field wiring lands, letting you re-scale, isolate, or split a signal right at the source. Field-adjustable zero and span controls make on-site calibration quick, and a fast-response option is available for loops where signal lag actually matters.

It is a practical choice for isolating an existing 4-20mA or voltage loop, protecting sensitive downstream equipment from ground loop currents, or converting an odd-range instrument signal into something standard controllers can read.

Input TypesDC current (100µA to 200mA) or DC voltage (200mV to 600V)
Input Resistance1MΩ min. (voltage), 10-250Ω depending on range (current)
Allowable Input30V DC max. / 40mA DC max., continuous
Output TypesDC current (4-20mA, 0-20mA) or DC voltage (10mV to 20V)
Zero / Span Adjustment±2.5% of span each
AccuracyBetter than ±0.1% of span (at 25°C±5°C)
Temperature Effect±0.2% of span per 10°C change
Response Time85ms max. (0-90%); 10ms max. with /K option
CMRR100dB min. (500V AC, 50/60Hz)
Power Supply24V DC (±10%) or 12V DC (±20%)
Power Consumption40mA max. (24V current out), 70mA max. (12V current out)
Isolation3-way isolation between input, output, and power
Insulation Resistance100MΩ min. (@ 500V DC)
Dielectric Strength1500V AC for 1 minute
Enclosure / MountingABS resin (UL 94V-0), DIN rail mounting, M3.5 screw terminal
DimensionsW25.0 × H94.0 × D40.0 mm
Weight90g max.
Operating Temperature-5 to 55°C, 5-90% RH non-condensing
Storage Temperature-10 to 60°C
StandardsEMC Directive 2014/30/EU, EN61326-1:2013; Low Voltage Directive 2014/35/EU, IEC/EN61010-1:2010

Download MTT MS3004 Terminal Block Type High-Level Signal Conditioner (Isolator) information here

Datasheet: MTT_SpecSheet_MS3004_Rev19_E

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