49111Q200

Catalog 1308242 Issued 3-03 (PDF Rev. 3-09) 491 series AC Coil 20 Amp PC Board or Panel Mount Relay File E38802 File LR75282 THIS DATA IS FOR REFERENCE PURPOSES ONLY This product's status is: PENDING OBSOLESCENCE. The 491 Series should not be designed into new applications. Users should thoroughly review the technical data before selecting a product part number. It is recommended that user also seek out the pertinent approvals files of the agencies/laboratories and review them to ensure the product meets the requirements for a given application. Features Coil Data • Up to 20 amp switching in SPST-NO and 13.3 amp in SPDT arrangements. • Washable, plastic sealed case available. • Meets UL 873 and UL 508 spacing – 1/8" through air, 1/4" over surface. • Load connections made via 1/4" Q. C. terminals. • Choice of UL Class B or F insulation system. • Well suited for various industrial, commercial and residential applications. Arrangements: 1 Form A (SPST-NO), 1 Form B (SPST-NC) and 1 Form C (SPDT). Material: Silver-cadmium oxide. Mechanical Life: 10 million operations, at 300 ops/minute. Electrical Life: 100,000 operations at factory rated load, 6 ops/minute. Minimum Contact Load: 1A @ 5VDC or 12VAC. Initial Contact Resistance: 50 milliohms @ 100mA, 6VDC). Contact Ratings @ 23°C with relay properly vented. Remove tape from vent hole after soldering and cleaning. Factory Contact Ratings Voltage 1 Form A 1 Form B 1 Form C (NO) (NC) 20A 20A 10A 6.7A 13.3A 13.3A 6.7A 6.7A UL/CSA Contact Ratings Voltage Load Type 1 Form A 1 Form B 1 Form C (NO) (NC) 240VAC 240VAC 240VAC 120VAC 240VAC 120VAC 120VAC 277VAC 28VDC General Purpose Resistive * Motor Motor LRA/FLA ** LRA/FLA Tungsten * Ballast Resistive DC Resistance ± 10% (Ohms) 26 106 2,750 11,000 Must Operate Voltage (Max.) 10.2 20.4 93.5 187 Must Release Voltage (Min.) 1.8 3.6 16 33 Operate Data @ 25°C Contact Ratings @ 23°C 240VAC 28VDC Nominal Voltage 12 24 110 220 30A 30A 2 HP 1 HP 80/30 98/22 TV5 10A 20A 15A 15A 1/2 HP 1/4 HP 30/10 – TV3 3A 10A 20A 20A 2 HP 1 HP 50/20 – TV5 10A 20A Must Operate Voltage: 85% of nominal voltage or less. Must Release Voltage: 15% of nominal voltage or more. Operate Time (Including Bounce)§: 20 ms, max. Release Time (Including Bounce)§: 15 ms, max. § At or From Nominal Coil Voltage Environmental Data Storage Temperature Range: -40°C to 130°C. Operating Temperature Range(1): -55°C to +85°C. Vibration, Operational: 0.065" (1.5mm) max. excursions from 10-55 Hz. Shock, Operational: 10g for 11 ms. Shock, Mechanical: 100g. Mechanical Data Termination: Printed circuit and quick connect terminals (4). Enclosures (all have 94V-0 flammability rating): Open, unsealed dust cover or sealed case. Weight: 1.2 oz. (33g) approx. Coil Temperature Rise 10A 10A 1/2 HP 1/4 HP 20/7 – TV3 3A 10A Initial Dielectric Strength Between Open Contacts: 1,500V rms, 1 minute. Between Contacts and Coil: 1,500V rms, 1 minute. Initial Insulation Resistance Between Mutually Insulated Elements: 109 ohms, min., @ 500VDC, 23°C and 50% R.H. Coil Data @ 23°C Voltage: 12 to 220VAC. Nominal Coil Power: 2.0VA, (approx.). Maximum Coil Temperature(4): Class B: 130°C. Class F: 155°C. Duty Cycle: Continuous. Dimensions are shown for reference purposes only. Dimensions are in inches over (millimeters) unless otherwise specified. Notes (1) Operating ambient temperature must consider must operate voltage change over temperature, contact temperature rise, coil temperature rise (If coil is not allowed to cool) and maximum coil temperature. (2) Sealed relay terminals should not be bent. (3) Remove tape after cleaning process for optimum life of sealed relays. (4) Class B coils are UL systems approved for maximum coil temperature of 130°C, by change of resistance method. Class F coils are UL systems approved for maximum coil temperature of 155°C, by change of resistance method. Specifications and availability subject to change. www.tycoelectronics.com Technical support: 509 Refer to inside back cover. Catalog 1308242 Issued 3-03 (PDF Rev. 3-09) Ordering Information 491 Typical Part Number B -1 1 G 2 00 1. Basic Series: 491 = AC coil, printed circuit board/panel power relay. 2. Enclosure & Terminals: 1 = Dust Cover, PC terminal. 2 = Sealed Case, PC terminal. 6 = Sealed Case, Panel Mount, .110 Coil Terminal. 3. Contact Arrangement: 1 = 1 Form C (SPDT) 4. Coil Input: P = 12VAC 7 = Sealed Case, Panel Mount, .187 Coil Terminal. 8 = Open Unit 4 = 1 Form A (SPST-NO) Q = 24VAC 5 = 1 Form B (SPST-NC) T = 120VAC U = 220VAC 5. Contacts: 2 = Silver-cadmium oxide 6. Coil Insulation and Special Features: 00 = Standard, UL Class B Coil Insulation System F0 = Special, UL Class F Coil Insulation System A1 - E9 = Special - Customer Specific Features Our authorized distributors are more likely to maintain the following items in stock for immediate delivery. 491-61T200 491-61Q200 491-24T200 491-24Q200 491-21T200 491-21Q200 491-64T200 491-64Q200 Outline Dimensions .921 (23.4) 1.22 (31.1) 3 – .25 QC (6.35) Open Style .3 (7.7) .403 (10.24) 1.18 MAX. (30 MAX.) 3 – .047 (1.2) .7 (17.8) .9 (22.9) .11 (2.8) Sealed Case for PC Board Mounting 2 – .024 DIA. (.6) .4 (10.2) .15 (3.8) .63 (16.2) .21 (5.4) PC Board Layout (Bottom View) 1.08 MAX. (27.5) .138 (3.5) 1.10 MAX. (28) 1.26 MAX. (32.5) .11 (2.8) .3 (7.7) .30 (7.62) .6 (2.54) .04 DIA. 2 – .6 (15.24) (1) .1 (2.54) .24 (6.1) .55 (17.8) .25 QC (6.35) Sealed Case for Panel Mounting 1.99 MAX. (50.3 MAX.) .15 (3.81) .7 (17.8) 3 – .08 DIA. (2.0) 2 – .04 DIA. (1.0) .55 (13.97) .7 .24 (17.8) (6.1) Reference Only Mounting Hole Pattern 1.08 MAX. (27.5 MAX.) 1.71 (43.5) .11 3 – .08 DIA. (2.8) (2) 2 – 0.12 (3.2) DIA. or M3 1.10 MAX. (28 MAX.) .25 QC (6.35) THIS DATA IS FOR REFERENCE PURPOSES ONLY 1.71 (43.5) This product's status is: PENDING OBSOLESCENCE. 1.28 MAX. (32.5 MAX.) The 491 Series should not be designed into new applications. .11 QC (2.8) Disclaimer Wiring Diagrams (Bottom Views) 1 Form A 1 Form B 1 Form C While Tyco Electronics has made every reasonable effort to ensure the accuracy of the information in this document, Tyco Electronics does not guarantee that it is error-free, nor does Tyco Electronics make any other representation, warranty or guarantee that the information is accurate, correct, reliable or current. Tyco Electronics reserves the right to make any adjustments to the information contained herein at any time without notice. Tyco Electronics expressly disclaims all implied warranties regarding the information contained herein, including, but not limited to, any implied warranties of merchantability or fitness for a particular purpose. The dimensions in this catalog are for reference purposes only and are subject to change without notice. Specifications are subject to change without notice. Consult Tyco Electronics for the latest dimensions and design specifications. Dimensions are shown for refer- 510 ence purposes only. Dimensions are in inches over (millimeters) unless otherwise specified. Specifications and availability subject to change. www.tycoelectronics.com Technical support: Refer to inside back cover.