48K91US

Catalog 1308242 Issued 3-03 (PDF Rev. 4-04) AGASTAT NOTE: This product has recently been discontinued. Suggested alternatives are the P&B CNT, CNS and CNM5 series time delay relays. 48K series Programmable Time Delay Relay • • • • • • • Up to 8 user-programmable timing modes 0.1 sec. to 10 hr. programmable timing range Socket or panel mount (1/16 DIN enclosure) Universal (24-240VAC/24-125VDC) and fixed input types 10A output relay with DPDT contacts Two LED indicators on universal input types ANSI C37.90 transient protection on universal input types File E60363 File LR29186 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. Timing Modes Modes are user selectable via rotary selector switch (shown above) or screwdriver adjustment on optional recessed knob equipped models that are available on a special order basis for tamper-resistant requirements. Modes offered on specific models are: 48K91U: On-Delay, Off-Delay, Interval, On/Interval, One Shot, Repeat Cycle, On-Delay/Off-Delay, Accumulating On. 48K90U: On-Delay, Interval, On/Interval, Repeat Cycle. 48K01A: On-Delay. Initial Dielectric Strength Between Coil, Contacts and Case: 1,500VAC. Input Data @ 25°C Voltage: 48K90U & 48K91U: 24 - 240VAC, 50/60 Hz. and 24-125VDC. 48K01A: 120VAC, 50/60 Hz. Power Requirement: 2W, max. Transient Protection: 48K90U & 48K91U: Meets ANSI C37.90 Transient Specification. 48K01A: 2,500V for 1ms. Timing Specifications Timing Ranges: 0.1 to 1 / 1 to 10 / 10 to 100 sec.; 1 to 10 / 10 to 100 min.; 1 to 10 hr. Timing Adjustment: Potentiometer adjustment with linear reference calibrations. Recessed dial option is available on a special order basis for tamper-resistant requirements. Accuracy: Repeat Accuracy: ± 0.5% ± 0.02 sec. Overall Accuracy: ± 1% ± 0.02 sec. Reset Time: 25 ms. Relay Operate Time: 50 ms. Relay Release Time: 50 ms. Environmental Data Temperature Range: Storage: -25°C to +85°C. Operating: -25°C to +60°C. Mechanical Data Termination: 8 or 11-pin octal style plug. Enclosure: Grey plastic 1/16 DIN case for socket or panel mounting. Indicating LEDs: 48K90U & 48K91U: Power On LED & Output Contacts LED (Typically flashes when timing, stays on when output relay is energized.) 48K01A: Output Contacts LED Sockets: Fits either 27E123 or 27E892 (snap-on) screw terminal sockets. Weight: 5 oz. (142g) approximately. Contact Data @ 25°C Arrangements: 2 Form C (DPDT). Rating: 10A @ 30VDC or 120/240VAC, resistive. Expected Mechanical Life: 10 million operations. Expected Electrical Life: 100,000 operations, min., at rated load. Ordering Information – Authorized distributors are likely to stock boldface part numbers listed below. Part Number 48K01AS 48K90US 48K91US Timing Modes One - On-Delay Four - On-Delay, Interval, On/Interval, Repeat Cycle Eight - On-Delay, Off-Delay, Interval, On/Interval, One Shot, Repeat Cycle, On-Delay/Off-Delay, Accumulating On Operating Voltage 120VAC 50/60 Hz. Universal (24-240VAC, 50/60 Hz. or 24-125VDC) Universal (24-240VAC, 50/60 Hz. or 24-125VDC) Termination Pins 8 8 11 Ordering Note: The part numbers listed above are standard products with knobs for adjustment of mode, range and timing. On a special order basis other models are available with recessed dials requiring a screwdriver for adjustment. On the special order versions, the "S" part number suffix is replaced by an "R" suffix. Consult factory for availability of special order models. Outline Dimensions Wiring Diagrams (Bottom Views) (pins numbered clockwise from keyway) 1.89 (48.0) Max. 1.89 (48.0) Max. 48K91US (dotted line represents internal connection) Dimensions are in inches over (millimeters) unless otherwise specified. Specifications and availability subject to change. 48K90US 48K01AS Dimensions are shown for 1210 reference purposes only. www.tycoelectronics.com Technical support: Refer to inside back cover.