The lamp you installed probably doesn't ignite because of its wrong voltage
Attribute Value Length Imperial 5ft Length Metric 1500mm Wattage 21 W Lamp Size T5 Colour Rendering 80 Colour Reference 830 Colour Temperature 3000K Colour Tone Warm White Voltage Rating 240 V ac Luminosity 2250 lm Life Hours 30000h EU Energy Efficiency Rating A++
5Beam Angle (°): [DBT] 24 / 45Lamp Base: G53Total Luminous Flux (lm): 1000 [24°] / 1050 [45°]Luminous Flux (lm): 1000 [24°] / 1050 [45°]Luminous Efficacy (lm/W): 87 [24°] / 91 [45°]
Halogen Watts Beam Lumens CBCP Model # Code Equivalent Brilliant HL 75 9 25 690 3550 SM16-09-25D-827-H1 08734 9W CRI 90 R9 50 Indoor/Outdoor 75 9 36 690 1700 SM16-09-36D-827-H1 08736 3000K Halogen Watts Beam Lumens CBCP Model # Code Equivalent Brilliant HL 75 9 25 725 3730 SM16-09-25D-830-H1 08738 9W CRI 90 R9 50 Indoor/Outdoor 75 9 36 725 1790 SM16-09-36D-830-H1 08740
ABB 2CCG001248R0001, S804P-D100, High Performance MCB 100A 4Pole 50kA Type 'D' Circuit Breaker Troffer The lamp you installed probablyGeneral Information Extended Product Type: S804P D100 Product ID: 2CCG001248R0001 EAN: 7612271517175 Catalog Description: S804P D100 High Performance Circuit Breaker. D Characteristic. 50kA, 100A, 4P Long Description: S804P D100 High Performance Circuit Breaker. D Characteristic. 50kA, 100A, 4P Display Name: S804P D100