... a) Ambient temperatures: -25 ± 55°C b) Relative humidity: 98% c) Vibration frequency: 2 - 80Hz, acceleration at ... 0.7g d) Pollution: class III e) Installation: type ... 10) Classification: A type, B type and C type 11) Used with high inductive interference voltage ... 25, 30 b) AD22B-22 of B, C, D, E c) According to clients' requirements 9) Lamp covers ...