Data Sheet

Features
15 A modular SSR, 1 NO output
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
11
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
66
–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 specification
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
Input specification
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
Technical data
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.x.xxx.8250 77.11.x.xxx.8251
77.11
Screw terminal
*See L77-7 diagram page 10
** See L77-6 diagrams page 9
For outline drawing see page 12
2
II-2014, www.findernet.com
Simplified circuit
diagram
Simplified circuit
diagram
77
SERIE S
77 Series - Modular Solid State Relay 15 A
D