Finder 77.11.8.230.8250 Relay Relay protection type RT II 77.11.8.230.8250 Data Sheet

•

22.5 mm housing, heat-sink + plastic cover

•

24 to 277 V AC output (with triac)

•

6 kV (1.2/50 μs) insulation between Input 
and Output

•

Zero-crossing and random switch-on versions 
available

•

High switching speed 

•

High endurance

•

Silent switching

•

Spark and bounce-free switching

•

Low control power

•

“Relay-style” terminal arrangement 
(input and output terminals on opposite sides)

•

35 mm rail (EN 60715) mount

1 NO (SPST-NO)

1 NO (SPST-NO)

15 / 400 *

15 / 400 *

230

230

24...277

24...277

19...305

19...305

800

800

20

20

15

15

—

1.2

4,000

2,500

3,000

1,500

4,000

2,500

2,000

1,000

100

100

1

1

1.55

1.55

14

14

—

230

—

230

24

—

24

—

0.4

7.5 / 0.9

0.4

7.5 / 0.9

—

40...305

—

40...305

4...32

—

4...32

—

— / 2 

6 / —

— / 2

6 / —

10·10

6

10·10

6

< 10 / <10

< 10 / < 30

< 1 / <10

< 2 / < 25

6

6

–20...+80 **

–20...+80 **

IP20

IP20

Zero-crossing switch-on
Suggested applications:

•

Lamp inrush current reduction (CFL - Compact 
Fluorescent energy-saving Lamps and similar)

•

Heater control

•

Solenoid, contactor driver

Random switch-on
Suggested applications:

•

Fine controls involving shorter time (specially 
motor control)

Output configuration

Rated current I

N

/ Max. peak current* (10 ms) A

Rated voltage

V AC (50/60 Hz)

Rated voltage range

V AC (50/60 Hz)

Switching voltage range  

V AC (50/60 Hz)

Repetitive peak off-state voltage

V

pk

Rated load AC7a (cos 

ϕ = 0.8, @ 25 °C )

A

Rated load AC15

A

Single phase motor rating (230 V AC)  

kW

230 V lamps rating: incandescent/halogen W

compact fluorescent (CFL)/Led W

electronic ballast  fluorescent tubes W

electromagnetic ballast compensated fluorescent tubes W

Minimum switching current @ 250 V 

mA

Typical “OFF-state” leakage current @ 250 V mA

Max “ON-state” voltage drop @ 25 °C and 15 A V

Power loss @ 15 A

W

Nominal voltage (U

N

)

V AC (50/60 Hz)

V DC

Rated power @ U

MAX

VA (50 Hz)/W

Operating range

V AC (50/60 Hz)

V DC

Must drop-out voltage

V AC (50/60 Hz)/DC

Electrical life

cycles

Operate / release time 

ms

Insulation between input and output (1.2/50μs) kV

Ambient temperature

°C

Protection category

Approvals (according to type)

77.11
Screw terminal

* See L77-7 diagram page 10

** See L77-6 diagrams page 9

For outline drawing see page 12

II-2014, www

.finder

net.com

Simplified circuit

diagram

Simplified circuit

diagram