Delta Digital timer Manuale Utente Scaricare il pdf (Pagina 63)

• Thermistor relay combined with

protection against Phase sequence fault

• LED indications for Healthy, Unhealthy, Sensor Open/Short and

Phase Sequence fault conditions

• Separate relays for PTC Thermistor and Phase Sequence fault

• Reset Options: Auto/Manual

Cat. No.

Parameters

380-480 VAC (3 Phase - 3 Wire), 50 +/- 2 Hz

MLB4BK MLC4BK

ORDERING INFORMATION

MOUNTING DIMENSION (mm)

CONNECTION DIAGRAM

Description

Cat. No.

MLB4BK

MLC4BK

380-480 VAC, 50 Hz, Thermistor + Phase Sequence series PD225, 2 NO

380-480 VAC, 60 Hz, Thermistor + Phase Sequence series PD225, 2 NO

380-480 VAC (3 Phase - 3 Wire), 60 +/- 2 Hz

Supply Variation

Power Consumption (Max.)

Relay Output

Contact Rating

-20% to +10%

12 VA

2 NO

6A @ 240 VAC / 28 VDC

Contact Material

Mechanical Life

Electrical Life

Trip level

Reset Level

Sensor Short

Hysterisis

Sensor Open

Max. Cold resistance of sensor chain

Reset mode

Repeat Accuracy

Response Time

Operate Time (OT)

Release Time (RT)

Reset Time

LED Indications

Mounting / Dimensions (W X H X D)

Weight (Unpacked)

Certifications

Operating Temperature

Storage Temperature

Humidity (Non Condensing)

Degree of Protection

Ag alloy

3 X 10

1 X 10

3.6

+/- 5 %

1.6 +/- 5 %

< 20 +/- 4

< 40 , +/- 4

> 10 k +/- 5%

<1.5

Auto/Manual

+/- 1%

~ 500 ms

~ 100 ms

~ 150 ms

Base / DIN-rail / (36 X 90 X 60) (in mm)

120 g

o o

-25 C to +80 C

o o

-15 C to +60 C

95% (Rh)

IP 20 for Terminals, IP 40 for Enclosure

LED indications for Healthy, Unhealthy, Sensor Open / Short Conditions, SPPR fault Condition

60.0

90.0

68.0

36.0

INSERT SCREW DRIVER

TO RELEASE CLIP

Ø4.

45.0

100.0 C/C

WITHDRAW CLIPS

FULLY WHEN

SURFACE MOUNTING

(35 mm-SYMMETRICAL)

DIN RAIL

L1 L2 L3

EMI/ EMC

ESD Immunity

Electrical Fast Transients

Surge Immunity

Voltage Dips & Interruptions

Isolation

Radio Interference Suppression

PTC Thermistor Relay &

Phase Sequence Series PD 225

Supply Voltage ( )

CISPR 14-1

IEC 61000-4-2

IEC 61000-4-4

IEC 61000-4-5

IEC 61000-4-11

Test voltage between input & output - IEC 60255-5, 2kV

Ed. 5.0 (2005-11) Class A

Ed. 1.2 (2001-04) Level II

Ed. 2.0 (2004-07) Level IV

Ed. 2.0 (2005-11) Level IV

Ed. 2.0 (2004-03) All 7 Levels (AC), IEC 61000-4-29 Ed. 1.0 (2000-08) All 5 Levels (DC)

Utilization Category

AC - 15

DC - 13

(of )

Rated Voltage (Ue): 120/240 V, Rated Current (Ie): 3.0/ 1.5 A

Rated Voltage (Ue): 24/125/250 V, Rated Current (Ie): 2/0.22/0.1 A

TERMINAL TORQUE & CAPACITY

Torque 0.54 N.m (5 Lb. in)

1 x 0.2 - 3.3 mm Solid Wire /

single wire ferrule

2 x 0.2 - 1 mm Insulated with

twin ferrule

1 x 24 to 12

Terminal Screw - M 2.5

3.5 mm

AWG

15 18 25 28 P1 P2

6A @ 240 VAC / 28 VDC

RoHS

Compliant

1 2 ... 58 59 60 61 62 63 64 65 66 67 68 ... 73 74

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Delta Digital timer Manuale Utente Pagina 63

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