Siemens EF 784 Series Bedienungsanleitung PDF herunterladen (Seite 2)

Relays and Timers

www.automationdirect.com/relays

eRL-21

Book 2 (14.1)

Prices as of October 22, 2014. Check Web site for most current prices.

Company

Information

Drives

Soft Starters

Motors

Power

Transmission

Motion: Servos

and Steppers

Motor Controls

Sensors:

Proximity

Sensors:

Photoelectric

Sensors:

Encoders

Sensors:

Limit Switches

Sensors:

Current

Sensors:

Pressure

Sensors:

Temperature

Sensors:

Level

Sensors:

Flow Switches

Pushbuttons

and Lights

Stacklights

Signal

Devices

Process

Relays and

Timers

Pneumatics:

Air Prep

Pneumatics:

Directional Control

Valves

Pneumatics:

Cylinders

Pneumatics:

Tubing

Pneumatics:

Air Fittings

Appendix

Book 2

Terms and

Conditions

78 Series Electromechanical

Relay Specifications

781 Series Contact Ratings (current)

Resistive *Motor Load

Voltage Nominal UL CSA UL

28VDC 12A 12A 12A ---

120VAC 15A 15A 15A 1/2Hp

277VAC 12A 12A 12A 1Hp

782 Series Contact Ratings (current)

Resistive *Motor Load

Voltage Nominal UL CSA UL

28VDC 12A 12A 12A ---

120VAC 15A 15A 15A 1/2Hp

277VAC 12A 12A 12A 1Hp

NEMA Mechanical Switching Ratings and Test Values for AC Control Circuit Contacts

Contact Rating

Designation

Thermal Continuous

Test Current (A)

Maximum AC Current, 50/60Hz (A)

Voltamperes

120 Volts 240 Volts 480 Volts 600 Volts

Make Break Make Break Make Break Make Break Make Break

B300

5 30 3.00 15 1.50 --- --- --- --- 3600 360

This chart is provided as a guideline only, and the ratings and values are not guaranteed to be accurate. It is the users’ responsibility to properly size their control

circuit devices. The chart values are from NEMA Standard ICS 5-2000, Table 1-4-1.

78 Series Relay Specification Table

Part Numbers

781-1C-12D

781-1C-12A

781-1C-24D

781-1C-24A

781-1C-120A

781-1C-240A

782-2C-12D

782-2C-12A

782-2C-24D

782-2C-24A

782-2C-120A

782-2C-240A

General Specifications

*Service Life: Mechanical / Electrical Operations

Mechanical: 10,000,000 operations unpowered

Electrical: 100,000 operations @ rated resistive load

Operating Temperature

-40°C to 55°C (-40°F to 131°F)

Response Time

20ms

Ambient Humidity

45% RH to 85% RH

Vibration Resistance

3 G’s, 10 to 55Hz (0.6 mm double amplitude)

Shock Resistance

10 G’s

Weight

29g (1.02 oz) 36g (1.27 oz)

**Agency Approvals and Standards

UL Recognized File E191059, CE, CSA

Environmental Protection

IEC IP40

NEMA B300 Pilot Duty Rated

Yes

Coil Specifications

Standard

LED Indicator

Coil Input Voltage

12VDC

12VAC

50/60 Hz

24VDC

24VAC

50/60 Hz

120VAC

50/60 Hz

240VAC

50/60 Hz

12VDC

12VAC

50/60 Hz

24VDC

24VAC

50/60 Hz

120VAC

50/60 Hz

240VAC

50/60 Hz

Coil Resistance

188q 46q 750q 180q 4.43 kq 15.72 kq 160q 46q 650q 180q 4.43 kq 15.7 kq

Power Consumption

0.7 W DC,

0.9 VA @ 60Hz AC @ 25°C

0.9 W DC,

1.2 VA@ 60Hz AC @ 25°C

Dropout Voltage (% of nominal voltage or more)

10% 15% Min.10% Min. 15% 10% 15% Min. 10% Min. 15%

Pull-in Voltage (% of nominal voltage or less)

80% 85% 80% 85% 80% 85% 80% 85%

Max. Voltage (Max. continuous voltage)

110% of the rated coil voltage

Contact Specifications

Contact Type

SPDT DPDT

Contact Material

Silver cadmium oxide, gold flashed

Minimum Switching Requirement

100mA @ 5VDC

Max. Contact Rating

Refer to Contact Ratings charts.

Dielectric Strength Between Contacts

1500V rms

*Note: These devices are rated for 1,000 cycles when used in a motor application. (Per Table 45.1, UL 508).

**Note: UL listed when used with sockets 781-1C-SKT, 782-2C-SKT, 783-3C-SKT, 784-4C-SKT, or 784-4C-SKT-1.

Current limited to rating of relay or socket, whichever is less.

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