Features:
- Direct in-line current sensing
- Combined overload and underload detection
- Internal shunt for direct line-in current sensing
- Adjustable responsible delay of 0.1 to 10 seconds on SP123
- 1A or 5A AC input range (programmable)
- Direct interface with conventional current transformers
- Separate adjustable of overload and underload threshold
- Lathing in both modes
- LED indications for overload, underload and normal load
- Start-up delay
- 10A SPDT relay output
Specifications:
AC: Supply voltage : 12, 24, 115, 230, 400, 415, 525V ±15% Isolation (current input to power supply): 2kV
Power consumption: 3VA (approx), 6VA for 415, 525V(approx)
DC: Supply voltage: 10-30V, 48, 60, 110V ±15%
Isolation: No galvanic isolation.
Power Consumption: 100mA (10-30V), 30mA for 48V and higher.
Current input:
Trip point: 0.1 to 1A or 0.5 to 5A AC (adjustable)
Repetitive accuracy: 1%
Hysteresis: 2% Fixed (relative to the trip point setting)
Maximum input current (continuous): 6A
Peak short-term over-current (10 seconds): 20A
Current input impedance: 50milliohms
Response:
Start-up delay: approximately 10 seconds, standard (1 to 15 seconds also possible on special order)
Response delay:
SP120 – 1 second
SP123 – adjustable from 1 to 10 seconds (other ranges on special order)