SW61 Single Pole Double Throw (Part of the SW60 Series) Thermal Current Rating (Ith) Intermittent Current Rating: 30% Duty The SW61 is a miniature series single pole, free standing, compact contactor. It is designed to fill the gap between 30 ampere relays and 100 ampere contactors. Devised for both interrupted and uninterrupted loads, the SW61 is suitable for switching Resistive, Capacitive and Inductive loads. Typical applications include switching small traction motors, hydraulic power packs and small electric winch motors. Rated Fault Current Breaking Capacity (Icn) 5ms Time Constant: (in accordance with UL583*) SW61 Interrupted current - opening and closing on load with frequent switching (results in increased contact resistance). Uninterrupted current - no or infrequent load switching requirements (maintains a lower contact resistance). 400A at 96V D.C. Rated Fault Current Breaking Capacity (Icn) Resistive Load: (in accordance with UL508*) SW61 Maximum Recommended Contact Voltages (Ue): SW61 The SW61 features single pole, double breaking main contacts with silver alloy tips, which are weld resistant, hard wearing and have excellent conductivity. The SW61 has M6 stud main terminals and 6.3mm spade coil connections. It can be mounted via M4 tapped holes or mounting brackets, either supplied fitted, or as separate items. Mounting can be on the side or base of the contactor. Typical Voltage Drop per pole across New Contacts at 80A Mechanical M.T.B.F Dimensions in mm [inches] Enclosed top cover standard when blowouts not fitted Coil Voltage Available (Us) (Rectifier board required for A.C.) Coil Power Dissipation: Highly Intermittent Rated Types Intermittently Rated types Prolonged Rated Types Continuously Rated Types Maximum Pull-In Voltage (Coil at 20˚ C) Guideline: Highly Intermittent Rated types (Max 25% Duty Cycle) Intermittently Rated types (Max 70% Duty Cycle) Prolonged Operation (Max 90% Duty Cycle) Continuously Rated Types (100% Duty Cycle) Drop-Out Voltage Range Typical Pull-In Time Typical Drop-Out Time (N/O Contacts to Open): Without Suppression With Diode Suppression With Diode and Resistor (Subject to resistance value) Typical Main Contactor Changeover time: Normally Open to Normally Closed Typical Contact Bounce Period Operating Ambient Temperature Time (Seconds) Normally Closed to Normally Open Guideline Contactor Weight: SW61 With Auxiliary With Blowouts Advised Connection Sizes for Maximum Continuous Current Contact Performance Key: Interrupted and Uninterrupted Current 52mm2 [0.08inch2] Rated suitable for Application Note: Where applicable values shown are at 20˚C * Please check our web site for product UL status • • • • Performance data provided should be used as a guide only. Some de-rating or variation from figures may be necessary according to application. Thermal current ratings stated are dependant upon the size of conductor being used For further technical advice email: [email protected] Albright reserve the right to change data without prior notice Environmentally Protected IP66 Current (Amperes) EE Type (Steel Shroud) Contacts Large Tips Connection Diagram Closed Contact Housing‡ Magnetic Latching† (Not fail safe) Armature Cap Mounting Brackets (See Stud Contactor Range Catalogue) Magnetic Blowouts - High Powered† Copper busbar Magnetic Blowouts† Figures are for guideline purposes only Auxiliary Contact Switching Capabilities (Resistive Load): Auxiliary Thermal Current Rating General Auxiliary Contacts Textured Tips Silver Plating AC Rectifier Board (Fitted) Coil Suppression† Flying Leads Manual Override Operation Vacuum Impregnation Key: Optional Connections become polarity sensitive Enclosed top cover standard when blowouts not fitted Albright International Ltd, Evingar Trading Estate, Ardglen Road, Whitchurch, Hampshire, RG28 +44 UK Albright International, 125 Red Lion Road, Surbiton, Surrey KT6 7QS, England,Tel: +44 (0) 20 8390 5357, Fax:7BB,(0) 20 8390 1927 Tel: [email protected] or [email protected] Web 890030, Fax: +44 (0)1256 890043 E-mail: +44 (0)1256 893060, Fax: +44 (0)1256 893562, Dedicated Sales Tel: +44 (0)1256 Site: www.albrightinternational.com E-mail: [email protected] or [email protected] Web Site: www.albrightinternational.com Copyright © 2010 Albright International Ltd Copyright © 2013 Albright International LTD