General-purpose Limit Switch D4A- N CSM D4A- N DS E 4 1 The Limit Switch with Better Seal, Shock Resistance, and Strength A double seal on the head, a complete gasket cover, and other features ensure a better seal (meets UL NEMA 3, 4, 4X, 6P, 12, 13). Wide standard operating temperature range: 40C to +100C (standard type). Models with fluoro-rubber available for greater resistance to chemicals. Block mounting method also reduces downtime for maintenance. DPDT, double-break models available for complex operations. Approved by UL, CSA, and CCC (Chinese standard). (Ask your OMRON representative for information on approved model.) Be sure to read Safety Precautions on page 14 to 15 and Safety Precautions for All Limit Switches. Model Number Structure Model Number Legend (Not all combinations are possible. Ask your OMRON representative for details.) D4A- N (Set model number) (1) (2) (3) (1) Receptacle box (3) Head 1 : 1/2-14 NPT conduit (SPDT, double-break) 01 : Roller lever, standard 2 : 1/2-14 NPT conduit (DPDT, double-break) 02 : Roller lever, high-sensitivity 3 : G 1/2 conduit (SPDT, double-break) 03 : Roller lever, low torque 4 : G 1/2 conduit (DPDT, double-break) 04 : Roller lever, high-sensitivity, low torque 05 : Roller lever, maintained (2) Switch Box 17 : Roller lever, sequential operation 1 : SPDT, double-break, without indicator 18 : Roller lever, center neutral operation 3 : SPDT, double-break, neon lamp 06 : Side plunger, standard E : SPDT, double-break, LED (24 VDC, leakage current: 1.3 mA) 07-V : Side plunger, vertical roller 5 : DPDT, double-break, simultaneous operation, without indicator 07-H : Side plunger, horizontal roller 7 : DPDT, double-break, sequential operation, without indicator *1 08 : Side plunger, adjustable 9 : DPDT, double-break, center neutral operation, without indicator *2 09 : Top plunger, standard L : DPDT, double-break, simultaneous operation, neon lamp 10 : Top plunger, roller P : DPDT, double-break, simultaneous operation, LED 11 : Top plunger, adjustable 12 : Flexible rod, spring wire 14 : Flexible rod, plastic rod 15 : Flexible rod, cat whisker 16 : Flexible rod, coil spring *1. Use the D4A-0017N Special Head. *2. Use the D4A-0018N Special Head. Note: Fluoro-rubber sealed type is also available. 1D4A- N Ordering Information Set model number SPDT, Double-break Switches Receptacle box G 1/2 Conduit Indicator Without indicator With neon lamp indicator (AC) With LED indicator (DC) Approved Approved Model Model Model standards standards Actuator Standard D4A-3101N UL, CSA D4A-3301N UL, CSA D4A-3E01N High-sensitivity D4A-3102N UL, CSA D4A-3302N UL, CSA D4A-3E02N Roller lever *1 Low-torque D4A-3103N UL, CSA --- --- --- High-sensitivity, D4A-3104N UL, CSA D4A-3304N UL, CSA --- Low-torque Maintained *2 D4A-3105N UL, CSA D4A-3305N UL, CSA D4A-3E05N Standard D4A-3106N UL, CSA --- --- --- Vertical roller D4A-3107-VN UL, CSA D4A-3307-VN UL, CSA D4A-3E07-VN Side plunger Horizontal roller D4A-3107-HN UL, CSA D4A-3307-HN UL, CSA --- Adjustable D4A-3108N UL, CSA D4A-3308N UL, CSA D4A-3E08N Standard D4A-3109N UL, CSA D4A-3309N UL, CSA --- Top plunger Roller D4A-3110N UL, CSA D4A-3310N UL, CSA --- Adjustable D4A-3111N UL, CSA D4A-3311N UL, CSA --- Spring wire D4A-3112N UL, CSA D4A-3312N UL, CSA D4A-3E12N Plastic rod D4A-3114N UL, CSA D4A-3314N UL, CSA D4A-3E14N Flexible rod Cat whisker D4A-3115N UL, CSA D4A-3315N UL, CSA D4A-3E15N Coil spring D4A-3116N UL, CSA D4A-3316N UL, CSA D4A-3E16N Note: 1. Switches are also available with 1/2-14 NPT conduits. The model numbers correspond as follows: (Examples) G 1/2 Conduits 1/2-14 NPT Conduits D4A-3 N D4A-1 N D4A-4 N D4A-2 N 2. Switches are also available with fluoro-rubber seals for higher resistance to chemicals. (The operating temperature range for these Switches, however, is 10 to +120C.) Add -F to the model number. (Example: D4A-3101N becomes D4A-3101N-F.) Ask your nearest OMRON representative for details. *1. The lever is not included with the Roller Level Models. Select the lever from those listed in this data sheet and order it separately (refer to Levers on page 12). *2. The Maintained Switches have a lock mechanism for the switch operation and thus use a Fork Lever Lock. 2