DPA71DM23 datasheet(1/3 Pages) ETC2

Part #	DPA71DM23

Description	Monitoring Relays 3-Phase Sequence and Phase Loss

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Manufacturer	ETC2 [List of Unclassifed Manufacturers]

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Specifications are subject to change without notice (17.07.06)

1

Monitoring Relays

Product Description

• 3-phase monitoring relay for phase

sequence and phase loss

• Detects when all phases are present and have the

correct sequence

• Measures own power supply

• Power supply range: 208 to 480 VAC (±15%)

• Output: 5 A SPDT relay (DPA51) or 5 A DPDT relay (DPA71)

normally energized

• For mounting on DIN-rail in accordance with

DIN/EN 50 022

• 17.5 mm (DPA51) or 35.5 mm (DPA71) DIN-rail housing

(DIN 43880)

• LED indication for relay and power supply ON

Type Selection

Mounting

Output

Supply: 208 to 480 VAC

Supply: 208 to 240 VAC

Supply: 380 to 480 VAC

DIN-rail

SPDT

DPA 51 C M44

DIN-rail

DPDT

DPA 71 D M23

DPA 71 D M48

Input

L1, L2, L3

Terminals L1, L2, L3

Measures on own supply

Measuring range

208 to 480 VAC (DPA51CM44) 177 to 550 VAC

208 to 240 VAC (DPA71DM23) 177 to 275 VAC

380 to 480 VAC (DPA71DM48) 323 to 550 VAC

ON-level

> 85% of the phase- phase

voltage

3-Phase Sequence and Phase Loss

Types DPA51, DPA71

Input Specifications

Output

SPDT or DPDT relay, N.E.

Rated insulation voltage

250 VAC

Contact ratings (AgSnO2)µ

DPA51 (SPDT):

Resistive loads

AC 1

5 A @ 250 VAC

DC 12

5 A @ 24 VDC

Small inductive loads AC 15

2.5 A @ 250 VAC

DC 13

2.5 A @ 24 VDC

DPA71 (DPDT)

Resistive loads

AC 1

5 A @ 250 VAC

Small inductive loads AC 15

3 A @ 250 VAC

DC 13

3 A @ 24 VDC

Mechanical life

≥ 30 x 106 operations

Electrical life

≥ 105 operations

(at 5 A, 250 V, cos

ϕ = 1)

Operating frequency

≤ 7200 operations/h

Dielectric strength

Dielectric voltage

≥ 2 kVAC (rms)

Rated impulse withstand volt. 4 kV (1.2/50 µs)

Output Specifications

3-Phase relay for detection of

incorrect

phase

sequence,

total and partial phase loss.

Supply range from 208 to 480

VAC covered by three multi-

voltage relay. For mounting

on DIN-rail. Housing 17.5 mm

wide for SPDT version and

35.5 mm for DPDT version,

suitable both for back and

front panel mounting. The

device detects regenerated

voltage up to 85% of the

nominal

voltage

(phase-

phase).

DPA51

DPA71

Ordering Key

Housing

Function

Type

Item number

Output

Power supply

DPA 51 C M44

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