0.1-10V DC ADJUSTABLE DUAL SETPOINT RELAY

Product

group

FF

YWRU2T/10VDC (2 x spco)

Features

  • Din rail mounted
  • Dual setpoint (two stage)
  • Ideal HVAC & BMS product
  • Dual LED indication
Download data sheet

Dual setpoint 0.1-10V DC relay. Providing two separately controllable trip levels. With R1 selected as the “High” level and R2 as the “Low” level. When the monitored signal voltage rises above R2 set level R2 relay will energise. If the voltage continues to rise above R1 set level, relay R1 will energise. Conversely as the monitored voltage falls R1 will de-energise, if the fall continues R2 will de-energise. The unit has a built in fixed hysteresis of 2% at each setpoint to avoid relay “chatter”. The YWRU2T does not have a latched option and is therefore “auto” reset on both relays.

DC Auxiliary Supply Versions

DC auxiliary supply versions are as standard non isolated. For these versions the supply and the measured current must be isolated from each other and must not exceed 50V DC. On request at extra cost isolated versions can be manufactured utilising internally a DC to DC converter.

Supply & Measuring

Nominal supply tolerance: ±15%

Isolation AC versions: Via transformer

Isolation DC versions:
No as standard
Yes via optional internal DC to DC converter

Power consumption: 3VA max

Hysteresis: Fixed at 2%

Repeat accuracy:
±2% at constant ambient
±5% across temperature range

Response time:
100 mSec on make
200mSec on break

Input range: 0.1-10VDC adjustable

Max over voltage: 15V DC permanently

Input impedance: 10 KOhms

Relay output

Output contacts: 2x SPCO 10Amps/250V AC1

Mechanical life: 30 Million ops

Electrical life: 200K ops at max rated load

General:

Operating temperature: -20°C to +65°C

Storage temperature: -20°C to +65°C

Max cable size: 4mm

CE marked: Yes

In accordance with:
EN61000-6-1: 2007
EN61000-6-3: 2007
EN61010-1: 2002

Housing material: Polycarbonate, Auto extinguishable to UL 94 V-0

TYPE

YWRU2T/10VDC (Din rail 2 x SPCO)

COIL VOLTAGE

440VAC
415VAC
400VAC
380VAC
230VAC
110VAC
48VAC
24VAC
*48VDC
*24VDC

* No isolation on DC versions as standard, on request at extra cost isolated versions are available.

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