ES-9298 Rev.5
CLSC
CLAMP-ON CURRENT SENSOR
(1A output)
Functions & Features
•Easy-to-install, spring-loaded, clamp-on type current sensor
•Over-voltage clamp element for safety in open circuit
•1 A output
•Wide frequency band
•Up to 20 kHz harmonic contents
•Screw terminal connection
MODEL: CLSC–[1]
ORDERING INFORMATION
• Code number: CLSC-[1]
Specify a code from below for [1].
(e.g. CLSC-10)
[1] INPUT
10
: 100 A
25
: 250 A
50
: 500 A
60
: 600 A
CAUTION
Before you remove the sensor module or mount it, turn off the input signal for safety. While the line is alive, the module’s cores, attracted to each other, may be hard to separate.
RELATED PRODUCTS
AC current, watt, power factor transducers with 1 A input
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• Multi power input module (model: R3-WT1)
• AC power input module (model: R3-WT4)
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• CT transmitter (model: M5CT)
• Multi power monitor (model: 53U, 54U, 54UC, 54UL)
GENERAL SPECIFICATIONS
Construction
: Clamp
Connection
: M3 screw terminals (torque 0.3 N·m)
Housing material
: Flame-resistant resin (black)
Detachable number of times
: Approx. 100 times
INPUT SPECIFICATIONS
Max. working voltage
: 480 V AC (primary side)
Overload capacity
: 120 % continuous, 4000 % for 1 minute
Operational range
CLSC-10: ≤ 100 A
CLSC-25: ≤ 250 A
CLSC-50: ≤ 500 A
CLSC-60: ≤ 600 A
INSTALLATION
Operating temperature
: -20 to +60°C (-4 to +140°F)
Operating humidity
: 80 % RH max. (non-condensing)
Mounting
: Fix with a binding strap.
Weight
:
CLSC-10: 170 g (0.37 lb)
CLSC-25: 175 g (0.39 lb)
CLSC-50: 250 g (0.55 lb)
CLSC-60: 265 g (0.58 lb)
PERFORMANCE
Frequency
: 50 / 60 Hz
Rated primary current / rated secondary current
CLSC-10: 100 A / 1 A
CLSC-25: 250 A / 1 A
CLSC-50: 500 A / 1 A
CLSC-60: 600 A / 1 A
Ratio error
: ±1.0 %, 1.0 In
Phase displacement error
: +1±1°, 1.0 In
Insulation resistance
: ≥ 100 MΩ with 500 V DC
(sensor core to output)
Dielectric strength
: 2000 V AC @ 1 minute
(sensor core to output)
EXTERNAL DIMENSIONS unit: mm (inch)
■ Sensor model No.: CLSC-10, 25
■ Sensor model No.: CLSC-50, 60