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Tripping Curves for GV4L and GV4LE Combined with Thermal Overload Relay LRD or LR9 Average Operating Times at 20 °C Related to Multiples of the Setting Current GV4L02 and GV4LE02 to 12 with LRD05 to LRD14, GV4L80 and GV4LE80 with LRD3363
A Thermal overload relay protection zone
GV4L25 and GV4LE25 with LRD 318, LRD325 GV4L50 AND GV4LE50 with LRD 332, LRD 340, LRD 350
A Thermal overload relay protection zone
GV4L115 and GV4LE115 with Class 10 LR9F5367, LR9D5369 and Class 20 LR9D5567, LR9F5569
Current Limitation on Short-Circuit for GV4L, GV4LE (3-Phase 400/415 V) Dynamic Stress I peak = f (prospective Isc) at 1.05 Ue = 435 V
Current Limitation on Short-Circuit for GV4L, GV4LE + Thermal Overload Relay LRD or LR9 (3-Phase 400/415 V) Dynamic Stress I peak = f (prospective Isc) at 1.05 Ue = 435 V
2 GV4L115 + LR9D5367 or LR9F5367 Thermal Limit on Short-Circuit for GV4L, GV4LE Thermal Limit in A2s Sum of I2dt = f (prospective Isc) at 1.05 Ue = 435 V
Current Limitation on Short-Circuit for GV4L, GV4LE + Thermal Overload Relay LRD or LR9 Thermal Limit in kA in the Magnetic Operating Zone Sum of I2dt = f (prospective Isc) at 1.05 Ue = 435 V
1 GV4L115 + LR9D5367 or LR9F5367
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