MXPRT BROYCE CONTROL, MXPRT Datasheet

MXPRT

Manufacturer Part Number

MXPRT

Description

RELAY,UNDER V/SEQ/LOSS, 3PHASE

Manufacturer

BROYCE CONTROL

Datasheet

1.MXPRT.pdf (1 pages)

Specifications of MXPRT

Contact Configuration

SPDT

Relay Mounting

DIN Rail

Contact Current Ac Max

Contact Current Dc Max

Contact Voltage Ac Max

250V

Contact Voltage Dc Max

25V

External Depth

59mm

External Length

RoHS Compliant

Rohs Compliant

Yes

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• FUNCTION DIAGRAM

• INSTALLATION AND SETTING

•

Applying power.

•

Setting the unit.

•

Troubleshooting.

The table below shows the status of the unit during a fault condition.

• CONNECTION DIAGRAM

Type: MXPRT

Phase Failure, Phase Sequence and Under Voltage plus Time Delay

Supply fault

Phase missing

Phases reversed (no delay)

Under Voltage condition (during timing)

Under Voltage condition (after timing)

Phase below 70% of Un (fixed under trip level [2])

Supply / Monitored

BEFORE INSTALLATION, ISOLATE THE SUPPLY.

Connect the unit as required. The Connection Diagram below shows a typical installation, whereby the

supply to a load is being monitored by the Phase monitoring relay. If a fault should occur (i.e. fuse blowing),

the relay will de-energise and assuming control of the external Contactor, de-energise the Contactor as well.

Set the adjustments “<U”

Apply power and the green “Power supply”

energise and contacts 15 and 18 will close. Refer to troubleshooting table if the unit fails to operate correctly.

Accurate setting can be achieved by adjusting the trip level “<U” until the unit trips (relay de-energises) then

by decreasing the trip level “<U” setting until the relay re-energises. By close setting of the trip level, the unit

will also detect a phase loss even with a large percentage of re-generative voltage.

In order to set the unit as previously described but without causing disruption to the equipment being

controlled/monitored, set the “Delay (t)” to maximum. It will now be possible to establish the trip point when

the red “Relay” LED starts to flash. Decrease the trip level setting to stop the LED flashing.

(Note: If the time delay is allowed to expire, the output relay will de-energise)

If large supply variations are anticipated, the trip level should be set further from the nominal voltage.

Set the “Delay (t)” as required. (Note that the delay is only effective should the supply drop below the set trip

level. However, if during an under voltage condition the supply drops below the 2

any set time delay is automatically cancelled and the relay de-energises).

Note: If the supply voltage increases above the maximum “<U” trip setting by approx. 10% or more, the

relay will de-energise immediately.

17.5mm DIN rail housing

True R.M.S.

Microprocessor based (self checking)

Monitors own supply and detects an Under voltage condition on one or more phases

Measures phase to phase voltages

Detects incorrect phase sequence and phase loss

Adjustment for under voltage trip level

Adjustment for time delay (from an under voltage condition)

1 x SPDT relay output 8A

Intelligent LED indication for supply and relay status

Fixed

Under trip [2]

Voltage

Local Fuse

Monitored

3~ Supply

Output

Board

Phase monitor

Tel: +44 (0) 1902 773746 Fax: +44 (0) 1902 420639 Email: sales@broycecontrol.com Web: www.broycecontrol.com

The Information provided in this literature is believed to be accurate (subject to change without prior notice); however, use of such information shall be entirely

16 18

Hyst.

Under trip

and the “Delay (t)”

Contactor

M M

Broyce Control Ltd., Pool Street, Wolverhampton, West Midlands WV2 4HN. England

and red “Relay”

Green LED

Flashing

time delay automatically cancelled as

to minimum.

• SETTINGS

phase drops below 2nd trip point

X X

Red LED

Off

Flashing

Off

LED’s will illuminate, the relay will

Installation work must be carried

out by qualified personnel.

Phases reversed

Relay

De-energised

Energised for set delay (t)

De-energised

S S

under voltage trip level,

1. Power supply status

(Green) LED.

2. Relay output / Timing

status (Red) LED.

3. “Time delay”

adjustment.

4. “<U” Under trip level

adjustment

Example on the left

shows the scale on the

280 - 520V version.

at the user’s own risk

e e

r r

• TECHNICAL SPECIFICATION

Supply / monitoring

Frequency range:

Isolation:

Rated impulse

Power consumption:

Trip levels:

Hysteresis:

Setting accuracy:

Repeat accuracy:

Immunity from micro

Response time:

Time delay (t):

Delay from

Power on delay (Td):

Ambient temp:

Relative humidity:

Output (15, 16, 18):

Output rating:

Electrical life:

Dielectric voltage:

Rated impulse

Housing:

Weight:

Mounting option:

Terminal conductor size:

Approvals:

Options:

• MOUNTING DETAILS

voltage U* (L1, L2, L3):

withstand voltage:

Voltage range:

161 - 300V AC

power cuts:

withstand voltage:

77 - 143V AC

280 - 520V AC

phase loss (tr):

i i

surface mounting

The unit is also available with a double-pole relay output. Refer to separate data

sheet for Mxprt/2.

Withdraw clips

fully when

e e

Insert screwdriver

to release clips

s s

77- 143V AC

161 - 300V AC

280 - 520V AC

48 - 63Hz

Over voltage cat. III

4kV

8VA max.

Under [2] fixed ±2%:

77V

161V

280V

≈ 2% of trip level (factory set)

± 3%

± 0.5% @ constant conditions

<50 mS

≈ 50 mS

0.2 - 10 sec (± 5%)

Note: actual delay (t) = adjustable delay + response time

≈ 150 mS (worst case = tr x 2)

≈ 1sec. (worst case = Td x 2)

-20 to +60°C

+95%

SPDT relay

AC1

AC15

DC1

≥ 150,000 ops at rated load

2kV AC (rms) IEC 60947-1

4kV (1.2 / 50μS) IEC 60664

Orange flame retardant UL94 VO

≈ 70g

On to 35mm symmetric DIN rail to BS5584:1978

(EN50 002, DIN 46277-3) Or direct surface mounting via

2 x M3.5 or 4BA screws using the black clips provided on

the rear of the unit.

≤ 2 x 2.5mm

Conforms to IEC. CE and

EMC:

Immunity: EN/IEC 61000-6-2 (EN/IEC 61000-4-3 15V/m

80MHz - 2.7GHz)

Emissions: EN/IEC 61000-6-4

to DIN 43880

W. 17.5mm

(1.2 / 50μS) IEC 60664

Dims:

89 (excl. clips)

93 (+/- 1mm)

250V 8A (2000VA)

250V 5A (no), 3A (nc)

25V 8A (200W)

solid or stranded

Under (adjustable):

83 - 138V

173 - 288V

300 - 500V

and RoHS Compliant.

voltage when ordering

Terminal Protection to IP20

Supply / monitoring

*Please state

49 59

MXPRT-2-A

012374

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