77C

Specifications

Input Voltage (V)

100 to 240VAC

Maximum Input Power

10W

Input AC Line Frequency (Hz)

50/60Hz

Output Form

SPDT - Form C

Output Load Rating (VA)

Pilot Duty: 480VA @ 240VAC B300; General Purpose: 10A @ 240VAC

Full Load Amp Range (A)

2 - 25A (looped conductors required); 26 - 90A (direct); 91 - 800A (external CTs required)

Timing Accuracy (%)

5% ± 1s

Rapid Cycle Timer (s)

0 2 - 500s

Restart Delay Range

After Under/Overcurrent: 2 - 500m/s; # of Restarts: Overcurrent: 0 1 oc1 2 oc2 3 oc3 4 oc4 A (Automatic) OCA; Undercurrent: 0 1 2 3 4 A (Automatic)

Repeat Accuracy (%)

Voltage: ±0.5% of nominal voltage; Current: ±1% (direct no external CTs)

Overvoltage Trip Voltage (%)

85V - HV setting

Undervoltage Trip Voltage

LV setting - 264V

Voltage Accuracy (%)

±1%

Overcurrent Trip Point

(20A - 100A) … MULT of 80 - 120% of CT primary

Overcurrent Trip Class

5 J5 10 J10 15 J15 20 J20 30 J30 or Lin (linear)

Undercurrent Trip Point

(0 10 - 98 Amps) … MULT or 40 - 100% of CT primary

Undercurrent Trip Delay (s)

2 - 60s

Current Accuracy (%)

±3% (<100 amps direct)

Ground Fault Accuracy (%)

±15%

Sensor Hole Size

Max conductor size: 0.65 in (with insulation)

Short Circuit (kA)

100kA per UL 10kA per CSA

Surge Protection

IEC: 61000-4-5 Level 3 2kV line-to-line; Level 4 4kV line-to-ground

Protection Class

IP20 NEMA 1

Pollution Degree

3

CT Ratio

1 - 10 conductors or 100 - 800 ratio

Address

A01 - A99

Life

Electrical: 1 x 105 operations at rated load; Mechanical: 1 x 106

Termination Type

7 in.-lbs.

Mounting Method

Surface mount (4 - #8 screws) on DIN rail mount

Operating Temperature

-20° to 70°C (-4° to 158°F)

Storage Temperature (F/C)

-40° to 80°C (-40° to 176°F)

Humidity

10-95% non-condensing per IEC 68-2-3

Dimensions

3.05 H x 3.85 W x 5.05 D in. (77.5 x 97.8 x 128.3 mm)

Weight (lbs/g)

1.20 lbs (19.2 oz. 544.3 g)