No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=select parent, menutype, ordering from jos_menu where id = 114 limit 1
No valid database connection MySQL server has gone away SQL=SELECT count(*) FROM jos_menu AS m WHERE menutype='mainmenu' AND published='1' AND access <= '0' AND parent=0 and ordering < 0
DZ253系列塑壳式断路器

正泰电器

No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL client ran out of memory SQL=SELECT DISTINCT `product_name`,`products_per_row`,`category_browsepage`,`category_flypage`,`jos_vm_category`.`category_id`, `jos_vm_product`.`product_id`,`product_full_image`,`product_thumb_image`,`product_s_desc`,`product_parent_id`,`product_publish`,`product_in_stock`,`product_sku`, `product_url`, `product_weight`,`product_weight_uom`,`product_length`,`product_width`,`product_height`,`product_lwh_uom`,`product_in_stock`,`product_available_date`,`product_availability`,`jos_vm_product`.`mdate`, `jos_vm_product`.`cdate` FROM (`jos_vm_product`, `jos_vm_category`, `jos_vm_product_category_xref`,`jos_vm_shopper_group`) LEFT JOIN `jos_vm_product_price` ON `jos_vm_product`.`product_id` = `jos_vm_product_price`.`product_id` WHERE `jos_vm_product_category_xref`.`product_id`=`jos_vm_product`.`product_id` AND `jos_vm_product_category_xref`.`category_id`=`jos_vm_category`.`category_id` AND ((`jos_vm_product`.`product_id`=`jos_vm_product_price`.`product_id` AND `jos_vm_shopper_group`.`shopper_group_id`=`jos_vm_product_price`.`shopper_group_id`) OR `jos_vm_product_price`.`product_id` IS NULL) AND `jos_vm_shopper_group`.`default` = 1 AND `product_parent_id`=0 AND `product_publish`='Y' AND `category_publish`='Y' GROUP BY `jos_vm_product`.`product_sku` ORDER BY `jos_vm_product`.`product_name` ASC LIMIT 0, 2000
No valid database connection Lost connection to MySQL server during query SQL=SELECT category_child_id FROM jos_vm_category_xref WHERE category_parent_id='12'
No valid database connection MySQL server has gone away SQL=SELECT manufacturer_id FROM jos_vm_product_mf_xref WHERE product_id='125'
No valid database connection MySQL server has gone away SQL=SELECT mf_name,jos_vm_manufacturer.manufacturer_id FROM jos_vm_product_mf_xref,jos_vm_manufacturer WHERE product_id='125' AND jos_vm_manufacturer.manufacturer_id=jos_vm_product_mf_xref.manufacturer_id
No valid database connection MySQL server has gone away SQL=SELECT vendor_id FROM jos_vm_product WHERE product_id='125'
No valid database connection MySQL server has gone away SQL=SELECT shopper_group_id,shopper_group_discount FROM jos_vm_shopper_group WHERE vendor_id='1' AND `default`='1'
No valid database connection MySQL server has gone away SQL=SELECT product_id, `jos_vm_product`.* FROM `jos_vm_product` WHERE `product_id`=125
No valid database connection MySQL server has gone away SQL=SELECT `product_price`, `product_price_id`, `product_currency` FROM `jos_vm_product_price` WHERE product_id=125 AND shopper_group_id=5 ORDER BY price_quantity_start
No valid database connection MySQL server has gone away SQL=SELECT shopper_group_id,shopper_group_discount FROM jos_vm_shopper_group WHERE vendor_id='1' AND `default`='1'
No valid database connection MySQL server has gone away SQL=SELECT `product_price`, `product_price_id`, `product_currency` FROM `jos_vm_product_price` WHERE product_id=125 AND shopper_group_id=0 ORDER BY price_quantity_start
No valid database connection MySQL server has gone away SQL=SELECT amount,is_percent FROM jos_vm_product,jos_vm_product_discount WHERE product_id='125' AND (start_date<='1276481742' OR start_date=0) AND (end_date>='1276472160' OR end_date=0) AND product_discount_id=discount_id
No valid database connection MySQL server has gone away SQL=SELECT product_parent_id FROM jos_vm_product WHERE product_id=125
No valid database connection MySQL server has gone away SQL=SELECT product_weight, tax_rate FROM jos_vm_product, jos_vm_tax_rate WHERE product_tax_id=tax_rate_id AND product_id='125'
No valid database connection MySQL server has gone away SQL=SELECT `tax_rate` FROM jos_vm_vendor, jos_vm_tax_rate WHERE tax_country=vendor_country AND jos_vm_vendor.vendor_id=1 ORDER BY `tax_rate` DESC
No valid database connection MySQL server has gone away SQL=SELECT * FROM `jos_vm_product_files` WHERE `file_product_id`=125 AND `file_published`=1
No valid database connection MySQL server has gone away SQL=SELECT attribute_value FROM jos_vm_product_attribute WHERE `product_id` = '125' AND attribute_name='download'
No valid database connection MySQL server has gone away SQL=SELECT DISTINCT file_id, file_mimetype, file_title, file_name FROM `jos_vm_product_files` WHERE file_product_id = '125' AND file_published = '1' AND file_is_image = '0'
No valid database connection MySQL server has gone away SQL=SELECT COUNT(product_id) as num_rows FROM jos_vm_product WHERE product_parent_id='125'
No valid database connection MySQL server has gone away SQL=SELECT product_id, `jos_vm_product`.* FROM `jos_vm_product` WHERE `product_id`=125
No valid database connection MySQL server has gone away SQL=SELECT product_id, `jos_vm_product`.* FROM `jos_vm_product` WHERE `product_id`=125
No valid database connection MySQL server has gone away SQL=SELECT product_id, `jos_vm_product`.* FROM `jos_vm_product` WHERE `product_id`=125
No valid database connection MySQL server has gone away SQL=SELECT COUNT(product_id) as num_rows FROM jos_vm_product WHERE product_parent_id='125'
No valid database connection MySQL server has gone away SQL=SELECT votes, allvotes, rating FROM jos_vm_product_votes WHERE product_id='125'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT count(*) FROM jos_jcomments WHERE object_id = 125 AND object_group = 'com_virtuemart' AND published = 1 AND lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang = 'zh-CN'
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_jcomments_settings WHERE lang='' AND component=''
No valid database connection MySQL server has gone away SQL=SELECT vendor_id FROM jos_vm_product WHERE product_id='125'
No valid database connection MySQL server has gone away SQL=SELECT jos_vm_vendor.vendor_name FROM jos_vm_product, jos_vm_vendor WHERE jos_vm_product.product_id='125' AND jos_vm_vendor.vendor_id=jos_vm_product.vendor_id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_vm_product_product_type_xref WHERE product_id='125'
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DZ253系列塑壳式断路器
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DZ253系列塑壳式断路器


适用于交流50Hz(或60Hz),额定绝缘电压690V,额定工作电压660V(690V)及以下,直流250V及以下,额定电流12.5~1600A的电路中,用来分配电能,在正常条件下作不频繁的闭合和断开之用,并在线路和设备过载,短路和欠电压时起保护之用。

额定壳架等级电流在400A及以下的断路器,也可作鼠笼型电动机的不频繁起动,运转中中断以及在电动机过载、短路及欠电压时起保护作用。

断路器符合IEC60947-2、GB14048.2、GB14048.4等标准。




No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id
No valid database connection MySQL server has gone away SQL=SELECT * FROM jos_modules WHERE published = 1 AND access <= 0 AND client_id = 0 ORDER BY ordering, id