
 118
JT-N 
RELAYS
COMPACT ECONOMICAL 
30 AMP. RELAY
PCB type
TMP type
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
SPECIFICATIONS
Contacts
* For sealed types, the life shown is for open venting-hole condition.
Coil  
at 20°C 
68°F
Characteristics
Remarks
* Specifications will vary with foreign standards certification ratings.
*
Measurement at same location as “Intial breakdown voltage” section
*
Detection current: 10 mA
*
Excluding contact bounce time
*
Half-wave pulse of sine wave: 11ms; detection time: 10
*
Half-wave pulse of sine wave: 6ms
*
Detection time: 10
μ
s
*
Refer to 5. Conditions for operation, transport and storage mentioned in 
AMBIENT ENVIRONMENT (Page 24).
1
2
3
4
μ
s
5
6
7
PCB & TMP type
Arrangement
Initial contact 
resistance, max. 
(By voltage drop 
method, 6 V DC 1 
A)
Contact material
Max. switch-
ing power
Max. switch-
ing voltage
Max. switch-
ing current
1 Form A
1 Form C
50 m
Silver alloy
Rating
8310 VA
N.C.: 2770 VA
N.O.: 5440 VA
277 V AC
30 A
N.C.: 10 A
N.O.: 20 A
Expected life
Mechanical 
Electrical 
(Resistive load)
Min. 1
×
10
7
20 A 277 V AC
Min. 1
×
10
5
*
N.O.:
20 A 277 V AC
Min. 1
N.C.:
10 A 277 V AC
Min. 1
×
10
5
*
×
10
5
*
PCB & TMP type
Approx. 450 mW
Approx. 800 mW
Minimum operating power
Nominal operating power
PCB & TMP type
Min. 100 M
1,200 Vrms
Initial insulation resistance*
Between contacts
Between contacts 
and coil
Operate time*
(at nominal voltage)
Release time (without diode)*
(at nominal voltage)
1
 at 500 V DC
Initial 
breakdown 
voltage*
2
2,500 Vrms
3
Max. 15 ms
3
Max. 10 ms
Shock 
resistance
Functional*
Destructive*
4
Min. 98 m/s
Min. 980 m/s
Max. 88.2 m/s
at double amplitude of 1.5 mm
Max. 117.6 m/s
 {12 G}, 10 to 55 Hz 
at double amplitude of 2 mm
2
 {10 G}
 {100 G}
5
2
Vibration 
resistance
Functional*
6
2
 {9 G}, 10 to 55 Hz 
Destructive
2
Conditions for 
operation, trans-
port and storage*
(Not freezing and 
condensing at low 
temperature)
7
Ambient 
temp.
–55°C to +85°C 
–67°F to +185°F
Humidity
5 to 85% R.H.
Unit weight
PCB type: 
Approx. 25 g 
(.88 oz)
TMP type: 
Approx. 30 g 
(1.06 oz)
TYPICAL APPLICATIONS
 Automotive
 Air conditioner
 Heating & ventilation
 Home appliance