一般特性

系统描述基础                           -上

灯头座                                 E40

玻壳                                   BD90 [BD 90mm]

玻壳端口                                涂装

运行位置                               h [悬吊或基础上(BU)]

5％失效时寿命                          5000 hr

20％失效时寿命                        10000 hr

50％失效时寿命                        20000 hr

电气特性

额定光源功率                            250 W

灯功率(配电感镇流器时)                        253 W

灯电压                                  128 V

灯电流(配电感镇流器时)                         2.2 A

可调光                                    No

环境特性

汞（Hg）含量                            47 mg

照明灯技术特性

色标                                     745 [CCT of 4500K]

显色指数                                 69 Ra8

颜色描述（文字）                         冷白色

色温                                     4500 K

色温技术                                 4500 K

色度坐标X                                            359 -

色度坐标Y                                            354 -

光通量灯具EM                                       18000 Lm

光源光效(配电感镇流器时)                        72 Lm/W

2000小时流明维持率                      90 %

5000小时流明维持率                      80 %

10000小时流明维持率                     75 %

产品尺寸

总长C                                                  226 mm

直径D                                                  91 mm

灯具设计要求

灯头灯座温度                               250 C

灯管温度                                  350 C