Page 50 - 民电电气有限公司2020

MDB1Z-63 直流小型断路器 撑一片阳光，给你充足能量
Hold A Piece Of Sunshine And Give You Plenty Of Energy
DC miniature circuit breaker

标准时间 - 电流带 Standard time-current band

瞬时脱扣器型 预期结果
试验 Instantaneous 直流试验电流 起始状态 脱扣或不脱扣时间极限 expected 备注
test DC test current Starting state Tripping or non-tripping time limit Remarks
release type results
冷态 不脱扣
a B、C 1.13In t ≥ 1h(In ≤ 63A) /
Cold state No tripping
电流在 5S 内稳定上升
紧接着 a 项试验 脱扣
b B、C 1.45In t ＜ 1h(In ≤ 63A) The current rises steadily
Followed by a test Tripping
within 5S
冷态 1s ＜ t ＜ 60s(In ≤ 63A) 脱扣
c B、C 2.55In /
Cold state 1s ＜ t ＜ 60s(In ≤ 63A) Tripping
主要参数及技术性能 Main parameters and technical performance

标准时间 - 电流带 Standard time-current band

瞬时脱扣器型 预期结果
试验 Instantaneous 直流试验电流 起始状态 脱扣或不脱扣时间极限 expected 备注
test DC test current Starting state Tripping or non-tripping time limit Remarks
release type results
0.1s ＜ t ＜ 45s(In ≤ 32A)
4In 0.1s ＜ t ＜ 90s(In ≤ 32A)
冷态 脱扣
d B、C
Cold state Tripping 闭合辅助开关接通电源
7In 0.1s ＜ t ＜ 15s(In ≤ 32A) Close the auxiliary switch to
0.1s ＜ t ＜ 30s(In ≤ 32A)
turn on the power
7In 冷态 脱扣
e B、C t ＜ 0.1s
15In Cold state Tripping
产品接线图 Product wiring diagram

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外形及安装尺寸 (mm)Shape and installation size (mm)

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