K2CM-Q2MA Datasheet, PDF (2/16 Pages) Omron Electronics LLC – Solid-state Relay Enables Choice of Three Operating Functions (Overcurrent, Openphase, and Reverse-phase)

K2CM
Current Reverse-phase Detection Models
Time specification
Inverse type
Instantaneous type
Resetting ^{Current setting range 2 to 8 A}
method Operating voltage
8 to 26 A 20 to 65 A 50 to 160 A
2 to 8 A
8 to 26 A 20 to 65 A 50 to 160 A
Manual 100/110/120 VAC K2CM-1LS K2CM-1L K2CM-1M K2CM-1H K2CM-Q1LS K2CM-Q1L K2CM-Q1M K2CM-Q1H
200/220/240 VAC K2CM-2LS K2CM-2L K2CM-2M K2CM-2H K2CM-Q2LS K2CM-Q2L K2CM-Q2M K2CM-Q2H
400/440 VAC
---
K2CM-4L K2CM-4M K2CM-4H ---
K2CM-Q4L K2CM-Q4M K2CM-Q4H
Automatic 100/110/120 VAC
(See
note.)
200/220/240 VAC
400/440 VAC
K2CM-1LSA K2CM-1LA K2CM-1MA K2CM-1HA K2CM-Q1LSA K2CM-Q1LA K2CM-Q1MA K2CM-Q1HA
K2CM-2LSA K2CM-2LA K2CM-2MA K2CM-2HA K2CM-Q2LSA K2CM-Q2LA K2CM-Q2MA K2CM-Q2HA
---
K2CM-4LA K2CM-4MA K2CM-4HA ---
K2CM-Q4LA K2CM-Q4MA K2CM-Q4HA
Note: The manual resetting method must be used with reverse-phase detection.
■ Related Product
Transformer
Model
SE-PT400
Primary side
Secondary side
Voltage specification
Secondary power
consumption
380 to 480 V (wide power supply range) 7VA
190 to 240 V (wide power supply range)
Note: Use this Transformer when a voltage reverse-phase detection model is used on a 400-V line.
Specifications
■ Ratings
Other features, such as 100% overcurrent capacity and flush mounting are also available. See Model Number Legend on page 1 for details.
Supply voltage of motor circuit
200/220, 400/440 VAC, 50/60 Hz
Supply voltage of control circuit
100/110/120, 200/220/240, 400/440 VAC, 50/60 Hz
Insulation breakdown of output contact 500 VAC
Operating voltage/current of output contact NO contact: 120 VAC/2 A, 240 VAC/1 A, 440 VAC/0.5 A, 110 VDC/0.2 A, 220 VDC/0.1 A
(pf = 0.4 when breaking contact)
NC contact: 120 VAC/5 A, 240 VAC/2 A, 440 VAC/1 A, 110 VDC/0.2 A, 220 VDC/0.1 A
Contact form of output contact
Current reverse-phase detection models: SPST-NO + SPST-NC
Voltage reverse-phase detection models: SPDT
Operating current range of input circuit 2 to 160 A (Number of passes: 1)
Operating voltage range of control circuit 85% to 110% of rated voltage, but operates normally at 50% of open-phase supply voltage
Operating frequency range of control circuit 95% to 105% of rated frequency
Power consumption
Approx. 3 VA (in standby state); 5 VA (in operating state)
Overcurrent function operating value
115 ±10% of the setting value
Overcurrent function operating time setting Inverse Type
range
Inverse time both at startup and during operation:
Timer scale × 1 (s) at 600% overload
Timer scale × 3 (s) at 200% overload
Note: The above values are for a time factor setting of 1.
Instantaneous Type
Fixed time at starting (start-up lock)
• Time setting value (varies between 2 and 40 s) at 140% overload and starting
Instantaneous during operation: 0.5 s max. (when current is increased from 100 to 140% of the
set current value)
Case color
Munsell 5Y7/1
Overcurrent function operating time
characteristics
Inverse type: ±10% of maximum setting value (at 600% overload)
Instantaneous type: ±20% of maximum setting value (at 140% overcurrent and at starting)
Overcurrent function resetting value
100% min. of the setting value
Overcurrent function start-up operating
value
Inverse type: Not applicable
Instantaneous type: 30% max. of the setting value (See note.)
Open-phase operating value
85% max. of the set current value (at open-phase)
Open-phase operating time
2 s max. (at overcurrent operating value)
Reverse-phase operating value
50% max. of the current value (80% max. of the operating voltage)
Reverse-phase operating time
1 s max. (at overcurrent operating value)
Imbalance operating value
85% of the set current value
Current imbalance factor
High: 35 ±10%; Low: 60% min. (at overcurrent operating value)
where
Imbalance
factor
=
Reverse phase portion
Normal phase portion
× 100
(%)
Note: The start-up lock timer restarts when the operating value at starting becomes less than 30% of the set current value.
2