Specifications are subject to change without notice (29.11.17)

1

Timers

Star Delta Timer

Type DAC51

• Time range (Star): 0.1 to 600 s

• Time range (Star to Delta): 50 to 130 ms

• Knob selection of star time range

• Knob adjustable time setting

• Automatic start

• Repeatability:

≤ 0.2%

• Output: 5 A SPDT relay with neutral centre position

• For mounting on DIN-rail in accordance with DIN/EN

50 022

• 17.5 mm Din-rail housing (DIN 43880)

• LED indication for relay status and power supply ON

Product Description

Star-delta control relay with

two adjustable time ranges:

Star function (0.1 to 600 s)

and star to delta function

(50 to 130 ms).

Housing 17.5 mm wide suit-

able for DIN-rail mounting.

Fits in M36 cover.

Type Selection

Mounting

Output

Housing

Supply: 24 to 240 VAC/DC

For DIN-rail

SPDT relay

Mini-D

DAC 51 C M24

with neutral

centre position

Time Specifications

Output Specifications

Time ranges (star)

Knob selectable

0.1 to

1 s

1

to

10 s

6

to

60 s

60 to

600s

Star to delta delay

50 to 130 ms

Neutral centre position

between star and delta

position

Setting accuracy

≤ 5%

Repeatability

≤ 0.2%

Time variation

Within rated power supply

≤ 0.05%

Within ambient temperature

≤ 0.2%

Reset

Time and relay

Power supply interruption

≥ 200 ms

Output

SPDT relay with neutral

centre position

Rated insulation voltage

250 VAC (RMS)

Contact Ratings (AgSnO2)µ

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

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

voltage

4 kV (1.2/50µs)

Ordering key

DAC 51 C M24

Housing

Function

Type

Item number

Output

Power Supply

Supply Specifications

Power supply

Overvoltage cat. III

Rated operational voltage

(IEC 60664, IEC 60038)

through terminals A1 and A2

M24:

24 to 240 VAC/DC

+10% -15%, 45 to 65 Hz

Voltage interruption

≤ 10 ms

Rated operational power

AC Supply

5 VA

DC Supply

1.5 W