Safety Interlock Switches DNL DNL For full product information, visit www.sti.com. Use the SpeedSpec Code or scan the QR Code for quick access to the specific web page. uard Lock Safety-Door Switch Best-selling guard lock safety-door switch available in several compact, multi-contact models Selectable direction and adjustable mounting ensure installation flexibility Built-in switches with multiple-contact construction are available Key holding force of 1,300 N minimum Can be used for either standard loads or microloads Lineup includes models with a conduit size of IP67 degree of protection Variety of metallic heads available A Rapid Delivery Product: Select models are available for shipment today or within 3 to 5 days S Specifications Standards and EC Directives Conforms to the following EC Directives: Machinery Directive Low Voltage Directive EN 1088 EN 6020-1 S-ET-19 Certified Standards Certification body TÜV SÜD Standard EN 6097-5-1 () File No. UL *1 UL 508, CSA C22.2 No.1 E76675 Consult your representative for details. CQC (CCC) B108.5 200301030506267 KOSHA *2 EN6097-5-1 2005-196 *1. Certification for CSA C22.2 No. 1 is certified by the UL mark. *2. Only certain models have been certified. Certified Standard Ratings TÜV (EN 6097-5-1), CCC (B108.5) Item Utilization category AC- DC-13 Rated operating current (Ie) 3 A 0.27 A Rated operating voltage (Ue) 20 V 250 V Note: Use a 10 A fuse type gi or g that conforms to IEC 60269 as a shortcircuit protection device. This fuse is not built into the Switch. UL/CSA (UL 508, CSA C22.2 No. 1) A300 Rated Carry Current (A) Volt-amperes (VA) voltage current Make Break Make Break 120 VAC 60 6 10 A 7,200 720 20 VAC 30 3 Q300 Rated Carry Current (A) Volt-amperes (VA) voltage current Make Break Make Break 125 VDC 5 5 2.5 A 69 69 250 VDC 0.27 0.27 Solenoid Coil Characteristics Item Type 2 VDC 0 VAC 230 VAC Rated operating voltage (100% ED) Current consumption Insulation Class Indicator Characteristics 2 VDC +10% -% Approx. 200 ma 0 VAC ±10% Approx. 50 ma Class F (130 C max.) Item Type LED Rated voltage 10 to 5 VAC/VDC Current consumption Approx. 1 ma Color (LED) Orange 230 VAC ±10% Approx. 30 ma
DNL Safety Interlock Switches Connections Contact Form Indicates conditions where the Key is inserted and the lock is applied. Terminals 12 and 1 are connected internally (as per S-ET-19). Model DNL- AF - DNL- BF - DNL- CF - DNL- DF - DNL- EF - Contact (door open/closed detection and lock monitor) 1NC/1NO + 1NC/1NO 1NC/1NO + 2NC 2NC + 1NC/1NO 2NC + 2NC 2NC/1NO + 1NC/1NO closed detection 33 3 33 3 31 32 31 32 21 22 33 3 Contact form Lock monitor 12 1 2 53 5 12 1 2 51 52 12 1 2 53 5 12 1 2 51 52 12 1 2 53 5 Operating pattern Lock -2 33-3 53-5 Lock -2 33-3 51-52 Lock -2 31-32 53-5 Lock -2 31-32 51-52 Lock -2 21-22 33-3 53-5 Remarks Only NC contacts -12 have a certified direct opening The terminals -2, 33-3, and 53-5 can be used as unlike poles. Only NC contacts -12 have a certified direct opening The terminals -2, 33-3, and 51-52 can be used as unlike poles. Only NC contacts -12 and 31-32 have a The terminals -2, 31-32, and 53-5 can be used as unlike poles. Only NC contacts -12 and 31-32 have a The terminals -2, 31-32, and 51-52 can be used as unlike poles. Only NC contacts -12 and 21-22 have a The terminals -2, 21-22, 33-3, and 53-5 can be used as unlike poles. DNL- FF - 2NC/1NO + 2NC 21 22 33 3 12 1 2 51 52 Lock -2 21-22 33-3 51-52 Only NC contacts -12 and 21-22 have a The terminals -2, 21-22, 33-3, and 51-52 can be used as unlike poles. DNL- F - 3NC + 1NC/1NO 21 22 31 32 12 1 2 53 5 Lock -2 21-22 31-32 53-5 Only NC contacts -12, 21-22, and 31-32 have a The terminals -2, 21-22, 31-32, and 53-5 can be used as unlike poles. DNL- HF - 3NC + 2NC 21 22 31 32 12 1 2 51 52 Lock -2 21-22 31-32 51-52 Only NC contacts -12, 21-22, and 31-32 have a The terminals -2, 21-22, 31-32, and 51-52 can be used as unlike poles. 16
DNL Safety Interlock Switches Dimensions and Operating Characteristics (mm) Switches DNL- -B.5 8 3 28.5 59 10.0..3 (55.8) Four, head mounting screws Key Dummy cap Indicator (13.3) Five, cover mounting screws Three,.3-dia. holes (95) (32.3) 55±0.2 (3) 32±0.2 Operating characteristics force Key extraction force Movement before being locked DNL- - BS N max. 30 N max. 9 mm max. 3 mm min. 35.5 (30.7) (57.9) Cap screw 5 79±0.2 (88.5).5 Release key Conduit cap (.3) (10) DNL- -B.5 8 3 28.5 59 10.0..3 (55.8) Four, head mounting screws Key Dummy cap Indicator Five, cover mounting screws Three,.3-dia. holes (13.3) (32.3) (3) 32±0.2 55±0.2 (95) Operating characteristics force Key extraction force Movement before being locked DNL- - B N max. 30 N max. 9 mm max. 3 mm min. M8 hexagonal material or equivalent 8 (30.7) Cap screw 35.5 (57.9) 5 79±0.2.5 Releasing tool (88.5) (provided) Release key Conduit cap 1 (.3) 21 (10) Notes: 1. Unless otherwise specified, a ±0. mm applies to all dimensions. 2. There are fluctuations in the contact /OFF timing for Switches with multiple poles (2NC, 2NC/1NO, or 3NC). Confirm performance before application. 17
DNL Safety Interlock Switches Dimensions and Operating Characteristics (continued) (mm) DNL- -BS.5 8 3 28.5 59 10.0..3 (31.5) (55.8) Four, head mounting screws Key Three,.3-dia. holes Release key Indicator (13.3) Five, cover mounting screws (32.3) (3) 32±0.2 55±0.2 (95) Operating characteristics force Key extraction force Movement before being locked DNL- - BS N max. 30 N max. 9 mm max. 3 mm min. 35.5 (30.7) (57.9) Cap screw 5 79±0.2.5 (88.5) Dummy cap Conduit cap (.3) DNL- -BS.5 8 3 M8 hexagonal material or equivalent 28.5 59 10.0..3 Four, head mounting screws Key Three,.3-dia. holes Release key Indicator (31.5) (55.8) Five, cover mounting screws (13.3) (32.3) (3) 32±0.2 55±0.2 (95) (30.7) 35.5 (57.9) Cap screw 5 79±0.2.5 Releasing tool Dummy (88.5) (provided) cap Conduit cap (.3) Operating characteristics force Key extraction force Movement before being locked DNL- - BS N max. 30 N max. 9 mm max. 3 mm min. Notes: 1. Unless otherwise specified, a tolerance of ±0. mm applies to all dimensions. 2. There are fluctuations in the contact /OFF timing for Switches with multiple poles (2NC, 2NC/1NO, or 3NC). Confirm performance before application. 8 1 21 Keys DDS-K1 7 17.5 28 13.3 DDS-K3 1 28 9 dia. 8 dia..5 dia. Angle adjustment bolt 30 13 13 20 30 0 56 DDS-K2 7 Four, 2.R 2 1 6 9 28 7 30 13 DDS-K5 2 6.3 20.9 28 2.6 22.5 3 1 30 55 Mounting Holes (Enlargement) 17.5 8 7 2. 3 Four, 2.R 13 18 8 1 (7) 1 3 18
DNL Safety Interlock Switches Dimensions and Operating Characteristics (continued) (mm) With Operating Key Inserted DNL + DDS-K1 (with Front-inserted Key) min max (3) DNL + DDS-K1 (with Top-inserted Key) (8) 9.5 min 52.0 max (36) min max (3) (28.5) 9.5 min 52.0 max (36) DNL + DDS-K2 (with Front-inserted Key) DNL + DDS-K2 (with Top-inserted Key) 0 min 2.5 max (3) (8) (6) 5.5 min 8.0 max (36) 0 min 2.5 max (3) (6) (22.5) (28.5) 5.5 min 8.0 max (36) 19
DNL Safety Interlock Switches Dimensions and Operating Characteristics (continued) (mm) DNL + DDS-K3 (with Front-inserted Key) 5 min 7.5 max (3) DNL + DDS-K3 (with Top-inserted Key) (8) (0) 5 min 53.0 max (36) 5 min 7.5 max (3) (28.5) 5 min 53.0 max (36) 0 DNL + DDS-K5 (with Front-inserted Key) 51.9 min 5. max (3) 51.9 min 5. max (3) (1 or 3) 55 20.9 DNL + DDS-K5 (with Top-inserted Key) 57. min 59.9 max (36) (8) -NPT Adapter (28.5) 3±0.1 57. min 59.9 max (36) 20
DNL Safety Interlock Switches Application Examples 9SA-321-T (2 VAC/VDC) + DNL- A A-, - A B-, - A C- (Mechanical Lock Type) Circuit Diagram (Manual Reset) Lock release signal S KM1 KM2 S2 uard 2 1 12 3 33 5 53 PLC PLC S1: Safety Limit Switch with direct opening mechanism (DB-N, DN, DF) S2: uard Lock Safety-door Switch S3: Reset switch S: Lock release switch KM1 and KM2: Magnetic Contactor M: 3-phase motor OPEN S1 Feedback loop KM1 Stop signal S3 KM2 A1 A2 T T12 T31 T32 13 23 33 3 53 61 TH SA a K1 K1 b K2 K2 K3 K 1 OffDelay Timer a b K3 K Control Circuit 2 K1 5 K2 3 JP 1 2 3 5 6 6 PE T21 T23 T22 A B 1 2 3 5 62 KM1 KM2 Timing Chart uard opens Limit switch S1 uard Lock Safety-door Switch S2 Lock release signal S Stop signal Reset switch S3 K1 and K2 (NC) K1 and K2 (NO) K3 and K (NC) K3 and K (NO) KM1 and KM2 (NC) KM1 and KM2 (NO) instruction Motor rotation OFF-delay time instruction uard can be opened KM1 KM2 Motor controller Note: The above example circuit is for Category 3. M 21
DNL Safety Interlock Switches Ordering Model Number Structure Switch DNL 1 2 3 5 6 7 8 1 Conduit Size 1: Pg13.5 2: 1/2 : 2 Built-in Switch (with Door Open/Closed Detection Switch and Lock Monitor Switch Contacts) A: 1NC/1NO (slow-action contacts) + 1NC/1NO (slow-action contacts) B: 1NC/1NO (slow-action contacts) + 2NC (slow-action contacts) C: 2NC (slow-action contacts) + 1NC/1NO (slow-action contacts) D: 2NC (slow-action contacts) + 2NC (slow-action contacts) E: 2NC/1NO (slow-action contacts) + 1NC/1NO (slow-action contacts) F: 2NC/1NO (slow-action contacts) + 2NC (slow-action contacts) : 3NC (slow-action contacts) + 1NC/1NO (slow-action contacts) H: 3NC (slow-action contacts) + 2NC (slow-action contacts) 3 Head Mounting Direction and Material F: Four mounting directions possible (Front-side mounting at shipping)/plastic D: Four mounting directions possible (Front-side mounting at shipping)/metal Door Lock and Release A: Mechanical lock/2 VDC solenoid release B: Mechanical lock/0 VAC solenoid release* : 2 VDC solenoid lock/mechanical release H: 0 VAC solenoid lock/mechanical release* 5 Indicator B: 10 to 5 VAC/VDC (orange LED indicator) 6 Release Key Type Blank: Standard : Special release key 7 Release Key Position Blank: Bottom S: Front 8 -to-npt Adapter Blank: Adapter is not included NPT: Adapter is included Key DDS-K 1 1 Key Type 1: mounting 2: mounting 3: Adjustable mounting (horizontal) 5: Adjustable mounting (horizontal/vertical) Type Horizonal mounting mounting mounting mounting Adjustable Adustable mounting mounting () (horizontal) Adjustable Adjustable mounting mounting (/) (horizontal/vertical) Special Release Key Type Special Release Key for DL, DJL, DNL, and DSL Switches Model DDS-K1 DDS-K2 DDS-K3 DDS-K5 Model DNL-RK * 0 VAC version is not available for - -NPT models. 22
DNL Safety Interlock Switches Ordering (continued) List of Models Switches with direct opening mechanisms ( Keys are sold separately) Head material Release key Release key type Solenoid voltage/ indicator Lock and release types Contact configuration (door open/closed detection switch and lock monitor switch contacts) (slow-action) Certified direct opening NC contact Model 1NC/1NO+1NC/1NO DNL-AFA-B DNL-AFA-B-NPT 1NC/1NO+2NC DNL-BFA-B DNL-BFA-B-NPT 2NC+1NC/1NO DNL-CFA-B DNL-CFA-B-NPT Mechanical lock Solenoid release 2NC+2NC DNL-DFA-B DNL-DFA-B-NPT DNL-EFA-B DNL-EFA-B-NPT 2NC/1NO+2NC DNL-FFA-B DNL-FFA-B-NPT DNL-FA-B DNL-FA-B-NPT Plastic Bottom Standard Solenoid: 2 VDC Orange LED: 10 to 5 VAC/VDC 3NC+2NC 1NC/1NO+1NC/1NO DNL-HFA-B DNL-HFA-B-NPT DNL-AF-B DNL-AF-B-NPT 1NC/1NO+2NC DNL-BF-B DNL-BF-B-NPT 2NC+1NC/1NO DNL-CF-B DNL-CF-B-NPT Solenoid lock Mechanical release 2NC+2NC DNL-DF-B DNL-DF-B-NPT DNL-EF-B DNL-EF-B-NPT 2NC/1NO+2NC DNL-FF-B DNL-FF-B-NPT DNL-F-B DNL-F-B-NPT 3NC+2NC DNL-HF-B DNL-HF-B-NPT (Continued on next page) 23
DNL Safety Interlock Switches Ordering (continued) List of Models (continued) Switches with direct opening mechanisms ( Keys are sold separately) Head material Plastic Metal Release key Bottom Release key type Special release key Solenoid voltage/ indicator Solenoid: 2 VDC Orange LED: 10 to 5 VAC/VDC Lock and release types Mechanical lock Solenoid release Solenoid lock Mechanical release Mechanical lock Solenoid release Solenoid lock Mechanical release Contact configuration (door open/closed detection switch and lock monitor switch contacts) (slow-action) Certified direct opening NC contact 1NC/1NO+1NC/1NO 1NC/1NO+2NC 2NC+1NC/1NO 2NC+2NC 2NC/1NO+2NC 3NC+2NC 1NC/1NO+1NC/1NO 1NC/1NO+2NC 2NC+1NC/1NO 2NC+2NC 2NC/1NO+2NC 3NC+2NC Model DNL-AFA-B DNL-AFA-B-NPT DNL-BFA-B DNL-BFA-B-NPT DNL-CFA-B DNL-CFA-B-NPT DNL-DFA-B DNL-DFA-B-NPT DNL-EFA-B DNL-EFA-B-NPT DNL-FFA-B DNL-FFA-B-NPT DNL-FA-B DNL-FA-B-NPT DNL-HFA-B DNL-HFA-B-NPT DNL-AF-B DNL-AF-B-NPT DNL-BF-B DNL-BF-B-NPT DNL-CF-B DNL-CF-B-NPT DNL-DF-B DNL-DF-B-NPT DNL-EF-B DNL-EF-B-NPT DNL-FF-B DNL-FF-B-NPT DNL-F-B DNL-F-B-NPT DNL-HF-B DNL-HF-B-NPTt DNL-EDA-B-NPT DNL-DA-B-NPT DNL-ED-B-NPT DNL-D-B-NPT Note: Consult factor for models with Korean S-mark certification. 2