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阻容吸收（RC）、压敏电阻、二极管以及二极管组合（二极管与齐纳二极管组合）可以插接在中间继电器前面板上，用于抑制操作线圈时产生的浪涌。
注意：
使用浪涌抑制器抑制线圈过电压，会造成接触器常开触点 NO 分断延时以及常闭触点 NC 接通延时（抑制二极管将增加延时 6 到 10 倍，二极管组合将增加延时 2 到 6 倍，压敏电阻将增加延时 2 到 5 ms）。
3RH2122-2HB40
3RH2122-1AD00
3RH2122-1AF00
3RH2122-1AH00
3RH2122-1AK60
3RH2122-1AN20
3RH2122-1AP00
3RH2122-1AP00-0AA6
3RH2122-1AP00-ZW96
3RH2122-1AP00-ZX95
3RH2122-1AP60
3RH2122-2HB40
3RH2122-1BA40
3RH2122-1BA40-0AA6
3RH2122-1BB40
3RH2122-1BB40-ZW97
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3RH2122-1BE40-0AA6
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3RH2122-1BF40
3RH2122-1BF40-0AA6
3RH2122-1BG40
3RH2122-1BG40-0AA6
3RH2122-2HB40
3RH2122-1BM40-0AA6
3RH2122-1BN40-0AA6
3RH2122-1BP40
3RH2122-1BW40
3RH2122-1BW40-0AA6
3RH2122-1FB40
3RH2122-1HB40
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3RH2122-1KF40
3RH2122-1KF40-0LA4
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3RH2122-1KM40-0LA4
3RH2122-1MB40-0KT0
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3RH2122-2KB40-0LA0
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3RH2122-2KF40-0LA0
3RH2122-2KG40-0LA4
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3RH2122-2KJ80-0LA0
3RH2122-2MB40-0KT0
3RH2122-2QB40
3RH2122-2SB40
3RH2122-2UB40
3RH2122-2VB40
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3RH2122-4AB00
3RH2122-4AG603RH2122-2HB403RH2122-4AN60
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3RH2122-4BB40
3RH2122-4BB40-ZX95
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3RH2122-4KB40-0LA0
3RH2131-1AB00
3RH2131-1AD00
3RH2122-2HB40
3RH2131-1AH00
3RH2131-1AK60
3RH2131-1AN20
3RH2131-1AP00
3RH2131-1AP00-ZW96
3RH2131-1AP00-ZX95
3RH2131-1AP60
3RH2122-2HB40
3RH2131-1BA40
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3RH2131-1BM40
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3RH2131-1JB40
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3RH2131-1KF40
3RH2131-1KG40-0LA4
3RH2131-1MB40-0KT0
3RH2131-1SB40
3RH2131-1VB40
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3RH2131-2AB00
3RH2131-2AD00
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3RH2131-2AK60
3RH2122-2HB40
3RH2131-2AP00
3RH2131-2AP00-ZX95
3RH2131-2AP60
3RH2131-2BA40
3RH2131-2BB40
3RH2131-2BB40-ZX95
3RH2131-2BE40
3RH2131-2BF40
3RH2131-2BG40
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3RH2122-2HB40
3RH2131-2GG20
3RH2131-2HB40
3RH2131-2JB40
3RH2131-2KB40
3RH2131-2KF40
3RH2131-2KF40-0LA0
3RH2131-2LB40
3RH2131-2LF40
3RH2131-2MB40-0KT0
3RH2131-2UB40
3RH2122-2HB40
