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77C-LR

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77C-LR

1-PHASE OVERLOAD RELAY/ 100-24 | Series: 77C
info

The 77C-LR single-phase relay provides motor protection with input voltage from 100–240 V ac and motor full load ampere range as follows: 1.0–2.5 A (looped conductors required); 2.0–9.0 A (direct).

PropertyValue
Input Voltage (V)
100 - 240 Vac
Output Form
SPDT - Form C
Termination Type
7 in.-lbs.
Full Load Amp Range (A)
1.0 - 2.5 (looped conductors required); 2.0 - 9.0 (direct)
Dimensions
3.05 H x 3.85 W x 5.05 D in. (77.5 x 97.8 x 128.3 mm)
Weight (kg)
0 Kg (kilogram)
Overcurrent Trip Class
5; J5; 10; J10; 15; J15; 20; J20; 30; J30; or lin (linear)
Overcurrent Trip Point
(20 - 100 A) … MULT of 80 - 120% of CT primary
Address
A01 - A99
Current Accuracy (%)
±3% (<100 A direct)
Ground Fault Accuracy (%)
±15%
Humidity
10 - 95% non-condensing per IEC 68-2-3
Input AC Line Frequency (Hz)
50 / 60
Maximum Input Power (W)
10
Number of Conductors or CT Ratio
1 or 2
Output Load Rating (VA)
Pilot Duty: 480 VA @ 240 Vac B300; General Purpose: 10 A @ 240 Vac
Overvoltage Trip Voltage (%)
85V - HV setting
Pollution Degree
3
Protection Class
IP20; NEMA 1 (finger safe)
Rapid Cycle Timer (s)
0; 2 - 500 s
Repeat Accuracy (%)
Voltage: ±0.5% of nominal voltage; Current: ±1% (direct; no external CTs)
Restart Delay Range
After Under/Overcurrent: 2 - 500 m/s; # of Restarts: Overcurrent: 0; 1; oc1; 2; oc2; 3; oc3; 4; oc4; A (Automatic); OCA; Undercurrent: 0; 1; 2; 3; 4; A (Automatic)
Sensor Hole Size
Max conductor size: 0.65 in (with insulation)
Short Circuit (kA)
UL: 100; CSA: 10
Surge Protection
IEC: 61000-4-5 Level 3 2 kV line-to-line; Level 4 4 kV line-to-ground
Timing Accuracy (%)
5% ±1 s
Undercurrent Trip Delay (s)
2 - 60 s
Undercurrent Trip Point
0; 10 - 98 A … MULT or 40 - 100% of CT primary
Undervoltage Trip Voltage (%)
LV setting - 264 V
Voltage Accuracy (%)
±1%
Mounting Method
Surface mount (4 - #8 screws) or DIN rail mount
Operating Temperature Max (°C)
70
Operating Temperature Maximum Fahrenheit
158
Operating Temperature Minimum Celsius
-20
Operating Temperature Minimum Fahrenheit
-4
Storage Temperature Maximum Celsius
80
Storage Temperature Maximum Fahrenheit
176
Storage Temperature Minimum Celsius
-40
Storage Temperature Minimum Fahrenheit
-40

77C-LR Resources

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Part NumberPart DescriptionRoHSPb-FreeRoHS (2015/863/EU) CertificateREACH (SVHC's) DeclarationREACH (SVHC's)Halogen FreeIPC-Material Declaration
77C-LR1-PHASE OVERLOAD RELAY/ 100-24

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