COMPACT ECONOMICAL
30 AMP. RELAY
JT-N·JT
RELAYS
FEATURES
• High switching capacity — 30 A for 1 Form A
• 2 contact arrangements — 1 Form A or 1 Form C
• Sealed and “TMP” types available
• UL/CSA recognized (PCB & TMP type: UL508
group A spacing, UL873 spacing)
• Class F types standard for PCB & TMP type
PCB type
TMP type
Open type
SPECIFICATIONS
Contacts
Characteristics
PCB & TMP type
1 Form A 1 Form C
Open type
1 Form A 1 Form C
PCB & TMP type
Open type
Arrangement
Initial insulation resistance*1
Min. 100 MOhm at 500 V DC
Initial contact
resistance, max.
(By voltage drop
method, 6 V DC 1
A)
Between contacts
1,200 Vrms
2,500 Vrms
1,500 Vrms
1,500 Vrms
Initial
breakdown
Between contacts
and coil
Operate time*3
(at nominal voltage)
Release time (without diode)*3
(at nominal voltage)
voltage*2
50 mOhm
20 mOhm
Max. 15 ms
Contact material
Silver alloy
Max. 10 ms
N.C.:
Max. switch-
ing power
N.C.: 2770 VA
N.O.: 5440 VA
8310 VA
900 W
2770 VA, 300 W
N.O.:
Functional*4
Min. 98 m/s2 {10 G}
Min. 980 m/s2 {100 G}
Max. 88.2 m/s2 {9 G}, 10 to 55 Hz
at double amplitude of 1.5 mm
Max. 117.6 m/s2 {12 G}, 10 to 55 Hz
at double amplitude of 2 mm
8310 VA
30 A
Shock
resistance
5440 VA, 600 W
Destructive*5
Functional*6
Rating
Max. switch-
277 V AC
277 V AC, 30 V DC
ing voltage
Vibration
resistance
Max. switch-
ing current
N.C.: 10 A
N.O.: 20 A
N.C.: 10 A
30 A
Destructive
Ambient
N.O.: 20 A
Min. 1x107
Conditions for
–55°C to +85°C –67°F to +185°F
operation, trans- temp.
N.O.:
port and storage*7
N.O.:
20 A 277 V AC
20 A 30 V DC
Min. 1x105
Expected life
Mechanical
Electrical
(Not freezing and
condensing at low
temperature)
20 A 277 V AC
Humidity
5 to 85% R.H.
PCB type:
Approx. 25 g (.88 oz)
TMP type:
30 A 277 V AC
30 A 30 V DC
Min. 1x105
20 A 277 V AC Min. 1x105*
Min. 1x105*
N.C.:
N.C.:
(Resistive load)
10 A 277 V AC
10 A 277 V AC
10 A 30 V DC
Min. 1x105
Min. 1x105*
Approx.
20 g (.71 oz)
Unit weight
Approx. 30 g (1.06 oz)
* For sealed types, the life shown is for open venting-hole condition.
Remarks
Coil at 20°C 68°F
* Specifications will vary with foreign standards certification ratings.
*1 Measurement at same location as “Intial breakdown voltage” section
*2 Detection current: 10 mA
JT-N
JT
PCB & TMP type
Approx. 450 mW
Approx. 800 mW
Open type
*3 Excluding contact bounce time
Minimum operating power
Nominal operating power
Approx. 500 mW
Approx. 900 mW
*4 Half-wave pulse of sine wave: 11ms; detection time: 10µs
*5 Half-wave pulse of sine wave: 6ms
*6 Detection time: 10µs
*7 Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61).
TYPICAL APPLICATIONS
• Automotive
• Air conditioner
• Heating & ventilation
• Home appliance
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