Enclosed Isolators 3, 4, 6 and 8 Poles Box 1 (20 to 40 A): Box 3 (100 to 125 A): Box 2 (63 to 80 A) and (25 to 40 A 4PBB): Change Over Box: Rotary Isolator (Load Break Switch) Dimensions Box Size Height Width Depth Depth (Including Switch) 1 (20 to 40 A) 125 100 70 118 2 (63 to 80 A) and 25 to 40 A 4PBB) 175 125 90 134 280 190 130 190 3 (100 to 125 A) Change Over Box Dimensions : Millimetres AC-21 Switch Ratings Canadian Standards: CAN / CSA-C22.2 No.14 American Standards: UL508 IEC and European Standards: IEC 60947-1 and 3, EN60947, VDE 0660-107 www.element14.com www.farnell.com www.newark.com Page <1> 26/05/12 V1.1 Enclosed Isolators 3, 4, 6 and 8 Poles Isolator Rating (AC-21) Measure Switch Code LB20 LB25 LB32 LB40 LB63 LB80 LB100 LB125 690 690 690 690 690 690 690 690 600 600 600 600 600 600 600 600 750 750 750 750 750 750 750 750 KV 6 6 6 6 6 6 6 6 A 16 20 25 32 40 63 100 125 16 20 25 32 40 63 20 25 32 40 63 80 100 125 16 20 25 32 40 63 5.5 7.5 11 15 22 30 11 15 37 45 45 55 5.5 7.5 11 18.5 22 11 18.5 22 30 37 37 45 Rated Operational Voltage, UE IEC / EN / VDE UL / CSA V Volts Main Switch: Isolating Voltage up to Resistance to Surge Pulse Voltage, Uimp Rated Uninterrupted Current, Iu Amperes Rated Uninterrupted Current, Ie AC-22 IEC / EN / VDE AC-21 A AC-1 Amperes A UL / CSA Rated Operational Power at 50 to 60 Hz (IEC / EN / VDE) AC-23 A 3 Phase 3 Pole IEC / EN / VDE AC-3 A 3 Phase 3 Pole 220 to 240 V 3 4 380 to 440 V 5.5 7.5 7.5 11 2 3 4 380 to 440 V 3 5.5 7.5 500 to 690 V 5.5 7.5 11 A 16 25 25 32 40 63 100 125 kA 5 5 30 30 30 30 30 30 120 V 1.5 1.5 3 3 5 7.5 7.5 7.5 240 V 3 3 7.5 7.5 10 15 15 15 7.5 7.5 15 20 20 25 30 40 10 10 20 25 30 30 40 50 120 V 0.5 0.5 1.5 2 3 4.5 3 3 240 V 1.5 1.5 2 3 4 6 7.5 7.5 500 to 690 V 220 to 240 V kW 18.5 22 30 Short Circuit Capacity (IEC / EN / VDE) Maximum Fuse Size (Type gL) Rated Fused Short Circuit Current Amperes UL / CSA Power Rating 3 Phase, 3 Pole DOL 480 V 600 V 1 Phase HP www.element14.com www.farnell.com www.newark.com Page <2> 26/05/12 V1.1 Enclosed Isolators 3, 4, 6 and 8 Poles Isolator Rating (AC-21) Measure Switch Code LB20 LB25 LB32 LB40 LB63 LB80 LB100 LB125 50 50 70 70 100 125 J J Short Circuit Capacity (UL / CSA) Maximum Fuse Size Amperes A 25 25 Fuse (Being Certified with J Type Fuses) Type - J J Rated Fuse Short Circuit Current Amperes kA 5 5 5 5 5 5 10 10 1.5 1.5 1 1 4 4 6 6 6 6 10 10 16 16 70 70 0.5 0.5 0.75 0.75 2.5 2.5 4 4 6 6 6 6 10 10 50 50 J, RK5 Terminal Cross Section Single / Multiple Strand Wire Fine Strand Wire with Sleeve Minimum Maximum Minimum mm2 Maximum American Wire Gauge - AWG 12 12 8 8 6 6 1 1 Recommended Tightening Torque for Terminals - NM 0.8 0.8 1.7 1.7 1.7 1.7 2.5 2.5 Duty Category Table Current Category Typical Applications Relevant IEC Product Standard AC-1 Non-inductive or slightly inductive loads, resistance furnaces 947-4 Squirrel-cage motors: Starting, switching off motors during running 947-3 AC-3 AC-15 Control of AC electromagnetic Loads 947-5-1 AC-21 Switching of resistive loads, including moderate overloads 947-3 AC-22 Switching of mixed resistive and inductive loads 947-3 AC-23 Switching of motor loads or other highly inductive load 947-3 DC-1 Non-inductive or slightly inductive loads, resistance furnaces 947-4 DC-13 Control of DC electromagnets 947-5-1 DC www.element14.com www.farnell.com www.newark.com Page <3> 26/05/12 V1.1 Enclosed Isolators 3, 4, 6 and 8 Poles Part Number Table Description Part Number Description Part Number Isolator Enclosed 2 A 4 Pole LB204P Isolator Enclosed 4 A 4 P BB LB404PBB Isolator Enclosed 2 A 4 Pole LB254P Isolator Enclosed 4 A 6 Pole LB406P Isolator Enclosed 2 A 4 P BB LB254PBB Isolator Enclosed 4 A 8 pole LB408P Isolator Enclosed 2 A 6 Pole LB256P Isolator Enclosed 6 A 3 Pole LB633P Isolator Enclosed 2 A 8 Pole LB258P Isolator Enclosed 6 A 4 Pole LB634P Isolator Enclosed 3 A 3 Pole LB323P Isolator Enclosed 8 A 3 Pole LB803P Isolator Enclosed 3 A 4 Pole LB324P Isolator Enclosed 8 A 4 Pole LB804P Isolator Enclosed 3 A 4 P BB LB324PBB Isolator Enclosed 10 A 4 Pole LB1004P Isolator Enclosed 3 A 6 Pole LB326P Isolator Enclosed 12 A 4 Pole LB1254P Isolator Enclosed 3 A 8 Pole LB328P Isolator Change Over 2 A 4P LBC254P Isolator Enclosed 4 A 3 Pole LB403P Isolator Change Over 3 A 4P LBC324P Isolator Enclosed 4 A 4 Pole LB404P Isolator Change Over 4 A 4P LBC404P Part Number Explanation: LB 25 4P Load Break Current Rating Number of Poles Current Rating Number of Poles Enclosure Size BB Enclosure Size : 20 = 20 A, 25 = 25 A, 32 = 32 A, 40 = 40 A, 63 = 63 A, 80 = 80 A, 100 = 100 A and 125 = 125 A (AC-21 A and AC-1) : 3P = 3, 4P = 4, 6P = 6 and 8 = 8 poles : BB = enclosure size (large enclosure if required) Important Notice : This data sheet and its contents (the "Information") belong to the members of the Premier Farnell group of companies (the "Group") or are licensed to it. No licence is granted for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group's liability for death or personal injury resulting from its negligence. Multicomp is the registered trademark of the Group. © Premier Farnell plc 2012. www.element14.com www.farnell.com www.newark.com Page <4> 26/05/12 V1.1