Product Description
TURCK MS21-12Ex0-R Rotational Speed Monitor (Speed Relay)
The TURCK multiSafe MS21-12Ex0-R is a highly reliable rotational speed monitor (Drehzahlwächter) designed for industrial applications requiring intrinsically safe control circuits. It features a DIN-rail mountable housing with plug-in terminal blocks for quick and secure installation. This unit provides precise, adjustable speed settings ranging from 5 to 2500 min⁻¹ with a 1-10x multiplier, alongside an adjustable start-up delay mode (bridging) of 0 to 60 seconds. With global safety approvals including FM and [EEx ia] IIC, it ensures secure operation in hazardous environments, seamlessly monitoring NAMUR sensors (DIN 19234) and delivering dependable relay outputs.
Technical Specifications:
- Brand / Model: TURCK / MS21-12Ex0-R (multiSafe)
- Power Supply: 20…28 VAC, 48…62 Hz (3.5 VA)
- Relay Output: AC ≤ 250 V, 4 A (cos φ ≥ 0.7) / DC ≤ 60 V, 0.5 A
- Control Circuits: Intrinsically safe DIN 19234 NAMUR (8 V, 8 mA)
- Frequency Range: 5…25,000 imp/min (Control-circuit)
- Speed Setting Range: 5…2500 min⁻¹ (Adjustable via front panel with 1-10 x-factor multiplier)
- Start-up Delay (Bridging): Adjustable t = 0…60 s
- Intrinsic Safety Ratings: [EEx ia] IIC; Class I, II, III Division 1 (FM Approved)
- Operating Temperature (Tu): -25…+65 °C
- Mounting: DIN-rail mountable housing with plug-in terminal blocks
TURCK MS21-12Ex0-R Rotational Speed Monitor (Speed Relay)
Shop the TURCK MS21-12Ex0-R Rotational Speed Monitor online. This multiSafe speed relay features intrinsically safe NAMUR control circuits, 24VAC supply, 0-60s adjustable start-up delay, and FM/ATEX [EEx ia] IIC approvals. Ideal for precise and safe industrial speed monitoring in hazardous locations.
| Brand | TURCK |
|---|---|
| Model | MS21-12Ex0-R |
| Part No. | 822253585749 |
| Category | Electrical |
| Link | https://www.echuan-hydraulic.com/product/turck-ms21-12ex0-r-rotational-speed-monitor-speed-relay |