4.1.2 接合面参数符合GB12476.1-2000第13.1规定。

4.1.2 The joint surface parameters comply with the provisions of 13.1 of GB12476.1-2000. <br>4.1.3 During the normal operation of the control cabinet, the surface temperature of the enclosure should not exceed 85°C. <br>4.2 In order to ensure the sealing performance of the explosion-proof enclosure, the fastening bolts used for connection must be equipped with elastic washers to prevent self-loosing. <br>4.3 The cable introduced into the control cabinet must be sealed with a sealing ring at the inlet. The material of the sealing ring is XH-21, and the aging test is qualified according to GB383 6.1 Appendix D3.3. <br>4.4 The minimum electrical clearance between the two wiring bolts in the control cabinet and the box body is 10mm, and the creepage distance is 16mm. <br>The internal and external grounding of the control cabinet is an important measure to prevent leakage sparks and ensure safety. It is located in an obvious place of the control cabinet and has a grounding sign.

4.1.2 The joint face parameters comply with GB12476.1-2000 Section 13.1.<br>4.1.3 When the control cabinet is operating normally, the surface temperature of the housing shall not exceed 85 degrees C.<br>4.2 To ensure the sealing performance of the explosion-proof housing, the fastening bolts used for the connection must be fitted with elastic washers to prevent self-release.<br>4.3 Cables introduced into the control cabinet shall be sealed with a seal at the inline port, the sealing ring material is XH-21, and the aging test shall be qualified in accordance with the requirements of GB383 6.1 Appendix D3.3. <br>4.4 The minimum electrical clearance between the two wiring bolts in the control cabinet and between the box is 10mm and the climbing distance is 16mm.<br> The internal and external grounding of the control cabinet is an important measure to prevent leakage sparks and ensure safety, which is located in the obvious place of the control cabinet and has a grounding mark.

4.1.2 the parameters of joint surface shall comply with the provisions of article 13.1 of GB 12476.1-2000.<br>4.1.3 during normal operation of control cabinet, the surface temperature of its shell shall not exceed 85 ℃.<br>4.2 in order to ensure the sealing performance of explosion-proof enclosure, the fastening bolts for connection must be equipped with elastic washer to prevent self loosening.<br>4.3 the cable leading into the control cabinet must be sealed with a sealing ring at the inlet. The sealing ring material is xh-21, and the aging test is qualified according to the provisions of appendix D3.3 of gb3836.1.<br>4.4 the minimum electrical clearance between the two wiring bolts in the control cabinet and between the two wiring bolts and the cabinet is 10 mm, and the creepage distance is 16 mm.<br>The internal and external grounding of the control cabinet is an important measure to prevent leakage sparks and ensure safety. It is set at the obvious place of the control cabinet and has grounding marks<br>