TX-TH
2) 1 coil latching
Nominal coil
voltage
Set voltage
(at 20°C 68°F)
1.5V DC
3V DC
4.5V DC
5V DC
6V DC
9V DC
12V DC
24V DC
75%V or less of
nominal voltage*
(Initial)
3) 2 coil latching (L2, LT)
Nominal coil
voltage
Set voltage
(at 20°C 68°F)
1.5V DC
3V DC
4.5V DC
5V DC
6V DC
9V DC
75%V or less of
nominal voltage*
(Initial)
12V DC
24V DC
*Pulse drive (JIS C 5442-1986)
Reset voltage
(at 20°C 68°F)
75%V or less of
nominal voltage*
(Initial)
Nominal operating
current
[±10%] (at 20°C 68°F)
66.7mA
33.3mA
22.2mA
20mA
16.7mA
11.1mA
8.3mA
4.2mA
Coil resistance
[±10%] (at 20°C 68°F)
22.5Ω
90Ω
202.5Ω
250Ω
360Ω
810Ω
1,440Ω
5,760Ω
Nominal operating
power
100mW
Max. applied voltage
(at 20°C 68°F)
150%V of
nominal voltage
Reset voltage
(at 20°C 68°F)
75%V or less of
nominal voltage*
(Initial)
Nominal operating
current
[±10%] (at 20°C 68°F)
Set coil Reset coil
93.8mA 93.8mA
46.7mA 46.7mA
31mA
31mA
28.1mA 28.1mA
23.3mA 23.3mA
15.5mA 15.5mA
11.7mA 11.7mA
5.8mA
5.8mA
Coil resistance
[±10%] (at 20°C 68°F)
Set coil
16Ω
64.3Ω
145Ω
178Ω
257Ω
579Ω
1,028Ω
4,114Ω
Reset coil
16Ω
64.3Ω
145Ω
178Ω
257Ω
579Ω
1,028Ω
4,114Ω
Nominal operating
power
Set coil Reset coil
140mW 140mW
Max. applied voltage
(at 20°C 68°F
150%V of
nominal voltage
2. Specifications
Characteristics
Contact
Rating
Item
Arrangement
Initial contact resistance, max.
Contact material
Nominal switching capacity
Max. switching power
Max. switching voltage
Max. switching current
Min. switching capacity (Reference value)*1
Nominal operating
power
Single side stable
1 coil latching
2 coil latching
Insulation resistance (Initial)
Electrical
characteristics
Breakdown voltage
(Initial)
Between open contacts
Between contact and coil
Between contact sets
Temperature rise (at 20°C 68°F)
Surge breakdown Between open contacts
voltage (Initial)
Between contacts and coil
Operate time [Set time] (at 20°C 68°F)
Release time [Reset time] (at 20°C 68°F)
Mechanical
characteristics
Shock resistance
Vibration resistance
Mechanical
Functional
Destructive
Functional
Destructive
Expected life
Electrical
Conditions
Unit weight
Conditions for operation, transport and storage*2
Max. operating speed (at rated load)
Specifications
2 Form C
Max. 100 mΩ (By voltage drop 6 V DC 1A)
Ag+Au plating
2 A 30 V DC, 0.5 A 125 V AC (resistive load)
60 W, 60 VA (resistive load)
220V DC, 250V AC
7.5 A (When used at 7.5 A. Regarding connection method, you must follow the precaution, below*.)
10µA 10mV DC
140 mW (1.5 to 24 V DC), 270 mW (48 V DC)
100 mW (1.5 to 24 V DC)
140 mW (1.5 to 24 V DC)
Min. 1,000MΩ (at 500V DC)
Measurement at same location as “Initial breakdown voltage” section.
1,000 Vrms for 1min. (Detection current: 10mA)
2,000 Vrms for 1min. (Detection current: 10mA)
1,000 Vrms for 1min. (Detection current: 10mA)
Max. 50°C
(By resistive method, nominal coil voltage applied to the coil; contact carrying current: 2A.)
1,500 V (10×160µs) (FCC Part 68)
2,500 V (2×10µs) (Telcordia)
Max. 4 ms [Max. 4 ms] (Nominal coil voltage applied to the coil, excluding contact bounce time.)
Max. 4 ms [Max. 4 ms] (Nominal coil voltage applied to the coil, excluding contact bounce time.)
(without diode)
Min. 750 m/s2 (Half-wave pulse of sine wave: 6 ms; detection time: 10µs.)
Min. 1,000 m/s2 (Half-wave pulse of sine wave: 6 ms.)
10 to 55 Hz at double amplitude of 3.3 mm (Detection time: 10µs.)
10 to 55 Hz at double amplitude of 5 mm
Min. 108 (at 180 cpm)
Min. 105 (2 A 30 V DC resistive), 5×105 (1 A 30 V DC resistive),
Min. 105 (0.5 A 125 V AC resistive) (at 20 cpm)
Min. 2×105 (7.5 A inrush (250 ms)/1.5 A normal 30 V AC (cosφ = 0.4)) (ON/OFF = 1s/9s)
Ambient temperature: –40°C to +85°C (up to 24 V coil) –40°F to +185°F
[–40°C to +70°C (48 V coil) –40°F to +158°F];
Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature)
20 cpm
Approx. 2 g .071 oz
Notes: *1 This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the
actual load.
*2 Refer to 6. Conditions for operation, transport and storage mentioned in AMBIENT ENVIRONMENT (Page 24).
Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e
ASCTB20E 201201-T