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JG-Frame Engine Generator |
JG (3-Pole) Shown |
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JG3225W - Thermal-Magnetic
Engine Generator Circuit Breakers
| Magnetic Pickup Range |
Maximum Generator Rating 60 Hz | |||||
|---|---|---|---|---|---|---|
| 240 Vac kVA(1) |
kW(2) | 480 Vac kVA(1) |
kW(2) | 600 Vac kVA(1) |
kW(1) | |
| 350—700 | 81 | 65 | 162 | 130 | 203 | 162 |
NOTES:
(1) Breaker continuous current is based on 115% of the generator full load ampere rating.
(2) Based on three-phase generators at 80% power factor.
(3) FG, JG, KG include thermal-magnetic trip units, LG and NG include electronic trip units.
(4) Breaker includes line and load terminals.
(5) Without terminals.
Technical Data and Specifications
| Volts AC (50/60 Hz) | Interrupting Capacity (Symmetrical Amperes) |
|---|---|
| UL 489 Interrupting Capacity Ratings | |
| 240 | 18,000 |
| 480 | 14,000 |
| 600 | 10,000 |
| IEC 947-2 Interrupting Capacity Ratings | |
| 220, 240 | 18,000/ 9,000 |
| 380, 415 | 14,000/ 7,000 |
| 660, 690 | 18,000/ 9,000 14,000/ 7,000 10,000/5,000 |
Dimensions and Weights - inches (mm)
| Breaker Frame Amperes |
Enclosure Type Class |
A | B | C | D | E | Approx. Weight Lbs (kg) |
|---|---|---|---|---|---|---|---|
| FG 15–225 |
Type 1 | 23.25 (590.6) | 8.41 (213.6) | 6.28 (159.5) | 18.75 (476.3) | 1.20 (30.5) | 15 (7) |
| Type 3R | 25.66 (651.8) | 8.84 (224.7) | 9.31 (236.5) | 24.28 (616.7) | 1.70 (43.2) | 19 (9) | |
| Type 12 | 25.66 (651.8) | 8.84 (224.7) | 9.31 (236.5) | 24.28 (616.7) | 1.70 (43.2) | 18 (8) | |
| JG 175–250 |
Type 1 | 34.70 (881.4) | 10.92 (277.4) | 7.20 (182.9) | 30.00 (762.0) | 1.88 (47.8) | 31 (14) |
| Type 3R | 37.50 (952.5) | 11.56 (293.6) | 10.22 (259.6) | 35.77 (908.6) | 1.94 (49.3) | 40 (18) | |
| Type 12 | 37.53 (953.3) | 11.56 (293.6) | 10.22 (259.6) | 35.77 (908.6) | 1.94 (49.3) | 37 (17) | |
| KG 300–400 |
Type 1 | 38.81 (985.8) | 11.06 (280.9) | 10.94 (277.9) | 34.00 (863.6) | 2.28 (57.9) | 53 (24) |
| Type 3R ) | 41.69 (1058.9 | 11.75 (298.5) | 14.06 (357.1) | 39.90 (1013.5) | 1.97 (50.0) | 60 (27) | |
| Type 12 | 41.69 (1058.9) | 11.75 (298.5) | 14.06 (357.1) | 39.90 (1013.5) | 1.97 (50.0) | 53 (24) | |
| LG 450–600 |
Type 1 | 45.88 (1165.4) | 14.31 (363.5) | 12.38 (314.5) | 46.56 (1182.6) | 1.91 (48.5) | 81 (37) |
| Type 3R | 48.31 (1227.1) | 14.91 (378.7) | 15.50 (393.7) | 46.56 (1182.6) | 1.92 (48.8) | 84 (38) | |
| Type 12 | 48.31 (1227.1) | 14.91 (378.7) | 15.50 (393.7) | 46.56 (1182.6) | 1.92 (48.8) | 81 (37) | |
| NG 700–1200 |
Type 1 | 61.22 (1555.0) | 21.44 (544.6) | 15.41 (391.4) | 61.84 (1570.7) | 1.97 (50.0) | 178 (81) |
| Type 3R | 63.59 (1615.2) | 22.00 (558.8) | 17.63 (447.8) | 61.84 (1570.7) | 1.97 (50.0) | 175 (79) | |
| Type 12 | 63.59 (1615.2) | 22.00 (558.8) | 17.63 (447.8) | 61.84 (1570.7) | 1.97 (50.0) | 170 (77) | |
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