Adamczewski – AD-MK 330 GS – Analog Signal Limit Switch with Dual Relay Outputs

• Manufacturer: Adamczewski Elektronische Messtechnik GmbH (Germany)  

• Model/MPN: AD‑MK  GS

• Function: DIN‑rail limit switch (trip amplifier) for analog standard signals, with two independent relay outputs and adjustable thresholds  

Inputs

• Accepts – mA, – mA, or – V AC/DC without external jumpers  

• Input resistances:  Ω for current;  kΩ for voltage signals  

Outputs

• Two potential-free change-over relays (max  A @  VAC /  VDC), configurable as ×max, ×min, or ×max/×min with adjustable hysteresis via front panel switches  

• LED status indicators per relay on front panel

Power Supply

• Wide-range input: – VAC/DC; cross-polarity protection; draws ~. VA (AC) or . W (DC)  

Isolation & Safety

• Galvanically isolated input, output, and supply

• High-voltage test ratings: relay-input  kV; relay/power  kV; input/power  kV  

• EMC tested (EN ‑, CISPR Class B) and electrical safety certified (EN ‑, OV category II)  

Accuracy & Performance

• Threshold settable –% via rotary switches

• Repeatability ±% of scale; hysteresis approximately %

• Response time ~ ms  

Mechanical & Environment

• Compact DIN‑rail housing ( ×  ×  mm), ~ g; IP rating

• Connects with up to . mm² screw terminals; mounting torque . Nm

• Ambient storage/operating: – °C to + °C