Overview
The ISSC 1090-1-P-3-B is a 120VAC multifunction time delay relay engineered for industrial automation, control circuits, and equipment sequencing. Manufactured by Kanson Electronics under the ISSC brand, this solid-state relay combines compact plug-in design with field-proven reliability. The unit is constructed with durable powder-coated steel casing and zinc-coated base plate, built for both limited-duty and continuous-duty applications.
Key Features
- 120VAC coil voltage with 11-pin plug-in terminal base
- Solid-state timer construction for extended operational life
- Multifunction capability including on-delay and off-delay timing modes
- DPDT (Double Pole Double Throw) relay output configuration
- Compact plug-in design minimizes panel space requirements
- Timing stability with ±5% maximum variation versus temperature
Technical Specifications
The following specifications represent standard ISSC 1090 series characteristics:
- Input Voltage: 120VAC
- Frequency: 50/60 Hz
- Terminal Configuration: 11-Pin Plug-In Base
- Relay Output: DPDT (1 N.O., 1 N.C.)
- Operating Frequency: 18,000 operations per hour (mechanical)
- Operate/Release Time: 25 ms maximum
- Switching Capacity: 1,100 VA, 240W resistive load
- Timing Accuracy: ±5% maximum variation versus temperature
- Mounting: Plug-in to compatible base
- Weight: 0.23 lbs (approximately)
- Environmental Shock Rating: 200 m/s² (20G) maximum
- Certifications: UL File No. E50957, CSA File No. LR92815
Typical Applications
The ISSC 1090-1-P-3-B is suitable for:
- Motor control sequencing and soft-start applications
- Pump and compressor delay circuits
- Industrial conveyor and material handling system timing
- HVAC startup and shutdown sequencing
- Manufacturing process control timing functions
- Safety interlocks and protective delay circuits
- Equipment ramp-up and cool-down delay applications
Compatibility & Replacements
Compatible With
- Standard 11-pin plug-in relay bases compatible with ISSC/Kanson series timers
- Industrial control panels and switchboards using 120VAC signal power
- Automation systems requiring discrete timing and relay logic
- General purpose industrial electrical distribution equipment
Replaces / Drop-In Replacement For
The 1090-1-P-3-B may serve as a replacement for other ISSC 1090 series models with identical voltage and terminal configuration. Verify compatibility with your system integrator before ordering to ensure proper functional specifications and timing parameters match your application requirements.
Works With
- 11-pin plug-in relay bases and sockets
- Standard industrial control relay panels
- Hardwired logic and discrete control circuits
- Motor starter and soft-starter delay circuits
