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| Hazardous Location & Pneumatic Switches Explosion Proof Ex Range Specifications All switches excluding Ferrogard GS2 Contact block--electrical specifications Classification EExd IIc T6 Class 1, Div 2, Groups A, B, C and D Contact arrangement 1 N.C. & 1 N.O. or 2 N.C. Protection P66 Rated voltage 250V AC and 250V DC Rated current 5A AC and 0.25A DC AC ratings 250V 125V Resistive 6A 6A Inductive 2.5A 3A DC ratings 250V 125V 75V 30V Resistive 0.25A 0.5A 1A 7A Inductive 0.1A 0.2A 1A 5A Contact block--technical specifications Operating force 1.6N - 0.4/ - 0.2N Release force 0.4N Pre-travel 0.8mm Over-travel 0.6mm Return travel 1.1mm Differential travel 0.5mm Release travel 0.2mm Positive break travel 0.4mm Repeatability +0.01mm Minimum plunger operating 1 mm/min. speed Maximum switching rate 3000/h Mechanical life 2 x 106 Electrical life Ambient temperature Electrical connection Ferrogard GS2 Classification Contact arrangement Protection Rated voltage Rated current Max VA Dependent on loading -25C to +70C (-10F to 284F) Potted in leads. Flexible 4 x 0.75mm2, 2m long EExd IIC T6 Baseefa Not suitable for Group 1 gases 1N&C IP68 250V AC 2A 100 at 50V 200 at 110V 500 at 250V Make 15mm, break 26mm 3.0ms 2.1ms 0.7ms <50G 7-15G at 10-2000Hz 0.07 (excluding cable) 100 x 106 5 x 106 -10C to +40C (14F to 104F) Brass or stainless steel 3m of Termorad NRTL/C Description Guardmaster Ex Range The Guardmaster Ex range of safety switches are specifically designed for potentially explosive atmospheres. They retain the safety features and operating principles of the conventional Guardmaster switches. They incorporate a sealed flameproof contact block, making them suitable for use in European Zone 1 and Zone 2 environments. In the US and Canada, these products can be used in areas classified as Class 1, Division 2 in Groups A (acetylene), B (hydrogen), C (ethylene) and D (propane). All the Guardmaster Ex switches conform to the exacting standards required by the European harmonized standards. These switches carry the classification EExd IIC T6 Baseefa. EEx equipment conforms to types of protection standardised by CENELEC (European standards), EN50014 and EN50018 respectively and BS5501 parts 1-V. The d suffix indicates that the contact block in the switch is a flameproof enclosure and is designed to ensure that if an internal explosion occurs it will be contained with the enclosure. The designation II indicates use in surface industries and c refers to the group of gases for which the switches are suitable. The designation T represents the surface temperature classification of the switch. These switches have been tested with an ambient temperature of 60C as opposed to the normal test limit of only 40C, allowing them to be used in gases having a low flash point. It should be noted that these groups refer to the explosion-proof qualities of the switches and not corrosion-resistance characteristics. Special precautions may be required to protect the vulnerable parts such as PVC-covered cables against attack by certain corrosive elements and physical damage. Features * * * * For use in potentially explosive atmospheres Positive mode action, flameproof contact block Suitable for use in European Zone 1 and 2 environments US and Canada: Class 1, Division 2 in Groups A, B, C and D Safety contact operating distance Close time Drop out time Bounce time Shock tolerance Vibration tolerance Initial resistance Mechanical life Electrical life Ambient temperature Housing Cable Note: For all other specifications and dimensions see relevant standard switch. 16-2 Hazardous Location & Pneumatic Switches Explosion Proof Ex Range Product Selection Switch Description Type Contacts Cable m (ft) 2 (6.5) 6 (19.7) Catalogue Number 440K-H11145 440K-H11160 Ex Trojan 5 Explosion proof tongue operated safety interlock switch. Trojan 5-EX 2 N.C. 15 (39.2) 440K-H11161 Ex Ferrogard GS2 Explosion proof magnetically actuated, noncontact safety interlock switches. Ferrogard GS2-EX (stainless steel) Ferrogard GS2-EX (brass) 1 N.C. Ferrogard GS2-EX (stainless steel) 1 N.C. & 1 N.O. 3 (9.8) 5 (32.8) 10 (32.8) 440N-H02047 440N-H02046 440N-H02086 440N-H02087 440E-H13046 Ex Lifeline 4 Explosion proof, cable and push button actuated Emergency Stop switch. Lifeline 4-EX 2 N.C. 440E-H13069 1 N.C. & 1 N.O. Ex Rotacam Explosion proof, hinge actuated safety interlock switch. Rotocam-HS-2-EX 2 N.C. 2 (6.5) 1 N.C. & 1 N.O. Centurion-EX (left hand version) 2 N.C. Ex Centurion 1 N.C. & 1 Explosion proof, manually operated N.O. time delay, bolt interlock switch. Centurion-EX (right hand version) 2 N.C. 1 N.C. & 1 N.O. Telescopic CP15-EX 2 N.C. 440H-H03077 440H-H03100 440K-H04035 440K-H04037 440K-H04036 440K-H04038 440E-H05004 Ex Telescopic Explosion proof telescopic (antenna) safety trip switch. 440E-H05019 16-3 |
Price & Availability of 440E-H13046
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