ABB SF6 LTB 245E1 BLG 1002A - Page 168

Assembling the circuit-breaker and commissioning Overhaul Instructions
36
1HSB435409-201 enrev1
Check carried out on the :________________________________
Second overhaul.
Check the following
Measured values
Pole A Pole B Pole C
Closing time coil I ms ms ms
Closing time coil II ms ms ms
Opening time coil I ms ms ms
Opening time coil II ms ms ms
Close-Open times
(1)
(1) The circuit-breaker must not be operated Open-Close without an intermediate delay of 300 ms.
ms ms ms
Lowest control voltage to coil I V V V
Lowest control voltage to coil II V V V
Lowest control voltage from coil I V V V
Lowest control voltage from coil II V V V
Main circuit resistance µΩ µΩ µΩ
Filling pressure
(2)
(2) Filling pressure according to rating plate.
MPa (abs) MPa (abs) MPa (abs)