942系列继电器 942H-1A-12DS-T-F 942H-1C-24AS-T-F
FEATURES
● UL, CSA , TUV & CQC safety approval.
● Standard type & High sensitivity type available.
● UL Class F (155℃) coil insulation type available.
● TV Rated (TV-3, TV-5 or TV-8) available.
● Heavy current up to 20Amps.
● Insulation distance: 8mm.
● Dielectric strength: 5,000 VAC.
● High sensitivity in small package.
● Nominal power 540mW～720mW.
● Operating power 300mW～410mW.
● Contacts gap: Standard type & gap:3.0mm type(for DPST-NO)
CSA FILE NO : LR107041-2

942H-1A-12DS-T-F 942H-1C-24AS-T-F
UL FILE NO:E162117
TUV FILE NO:
R50048089
CE DECLARATION OF CONFORMITY
CQC FILE NO: CQC02001001786
ORDERING INFORMATION
942 H - 1A - 12 - D S - T - F
1 2 3 4 5 6 7 8
1
 Model Number
942
2
 Coil Sensitivity
Nil = Standard Type(For AC coil only)
H = High Sensitive Type(For DC coil only)
3
 Contact Arrangement
1A = 1 Form A (SPST-NO)
1B = 1 Form B (SPST-NC)
1C = 1 Form C (SPDT)
2A = 2 Form A (DPST-NO)
2B = 2 Form B (DPST-NC)
2C = 2 Form C (DPDT)
4
 Coil Voltage
DC: 3~110V
AC: 6~120V
5
 Coil Type
D: DC
A: AC
6
 Enclosure
Nil = Flow Solder Type
S = Sealed Type
7
 Terminal Type
Nil = One Foot
T = Two Feet (Remark:"T"is for 1 Pole only)
8
 Type of Insulation
Nil = Class A
F = Class F
 
COIL RATINGS (at 20℃)
COIL
TYPE
 Coil Nominal
Voltage (V)		 Coil
Resistance
(Ω+-10%)		 Pick-Up
Voltage (V)
<=		 Drop-Out
Voltage (V)
>=		 Nominal
Current
(mA)
AC
 6 16.5 4.8 1.8  
12 63 9.6 3.6  
24 250 19.2 7.2  
110 5600 88 33  
120 5600 88 33  
220 22000 176 66  
240 22000 176 66  
DC High Sensitive Coils
 3 17 2.25 0.3 176.5
5 47 3.75 0.5 106.4
6 68 4.5 0.6 88
9 155 6.75 0.9 58
12 270 9 1.2 44.4
24 1100 18 2.4 21.8
48 4400 36 4.8 10.9
100 18860 75 10 5.3
110 18860 75 10 5.3
DC Standard Coils
 3 12.5 2.1 0.3 240
5 36 3.5 0.5 138.9
6 50 4.2 0.6 120
9 115 6.3 0.9 78.3
12 200 8.4 1.2 60
24 820 16.8 2.4 29.3
48 3300 33.6 4.8 14.5
100 14144 70 10 7
110 14144 70 10 7
* Max Continuous Voltage at 20℃:? 130% of Coil Nominal Voltage.
CONTACT RATINGS
●Contact Arrangement
1 Form A(942T ONLY)
1 Form B (942T ONLY)
1 Form C (942T ONLY)
1 Form A
1 Form B
1 Form C
2 Form A
2 Form B
2 Form C
●Max. Switching Power
1 Form A(942T ONLY) 4000VA 600W
1 Form B (942T ONLY) 4000VA 600W
1 Form C (942T ONLY) 4000VA 600W
1 Form A 3000VA 480W
1 Form B 3000VA 480W
1 Form C 3000VA 480W
2 Form A 1750VA 210W
2 Form B 1250VA 150W
2 Form C 1250VA 150W
●Max. Switching Voltage
1 Form A(942T ONLY) 250VAC 48VDC
1 Form B (942T ONLY) 250VAC 48VDC
1 Form C (942T ONLY) 250VAC 48VDC
1 Form A 250VAC 48VDC
1 Form B 250VAC 48VDC
1 Form C 250VAC 48VDC
2 Form A 250VAC 30VDC
2 Form B 250VAC 30VDC
2 Form C 250VAC 30VDC
● Max. Switching Current
1 Form A(942T ONLY) 20 A
1 Form B (942T ONLY) 20 A
1 Form C (942T ONLY) 20 A
1 Form A 12 A
1 Form B 12 A
1 Form C 12 A
2 Form A 7 A
2 Form B 5 A
2 Form C 5 A
●Contact Resistance
1 Form A(942T ONLY) <= 100 mΩ
1 Form B (942T ONLY) <= 100 mΩ
1 Form C (942T ONLY) <= 100 mΩ
1 Form A <= 100 mΩ
1 Form B <= 100 mΩ
1 Form C <= 100 mΩ
2 Form A <= 100 mΩ
2 Form B <= 100 mΩ
2 Form C <= 100 mΩ
●Resistive Load
1 Form A(942T ONLY) 16A/250VAC 16A/250VAC 20A/125VAC 10A/48VDC
1 Form B (942T ONLY) 16A/250VAC 20A/30VDC 20A/125VAC 10A/48VDC
1 Form C (942T ONLY) 16A/250VAC 20A/30VDC 20A/125VAC 10A/48VDC
1 Form A 12A/250VAC 12A/30VDC 10A/48VDC
1 Form B 12A/250VAC 12A/30VDC 10A/48VDC
1 Form C 12A/250VAC 12A/30VDC 10A/48VDC
2 Form A 7A/250VAC 7A/30VDC
2 Form B 5A/250VAC 5A/30VDC
2 Form C 5A/250VAC 5A/30VDC
●Contact Material
1 Form A(942T ONLY) Ag Alloy
1 Form B (942T ONLY) Ag Alloy
1 Form C (942T ONLY) Ag Alloy
1 Form A Ag Alloy
1 Form B Ag Alloy
1 Form C Ag Alloy
2 Form A Ag Alloy
2 Form B Ag Alloy
2 Form C Ag Alloy
●Inductive Load
1 Form A(942T ONLY)  8A/250VAC 8A/30VDC 
1 Form B (942T ONLY)  8A/250VAC 8A/30VDC 
1 Form C (942T ONLY)  8A/250VAC 8A/30VDC 
1 Form A   5A/250VAC 5A/30VDC 
1 Form B  5A/250VAC 5A/30VDC 
1 Form C  5A/250VAC 5A/30VDC 
2 Form A  2A/250VAC 2A/30VDC 
2 Form B  2A/250VAC 2A/30VDC 
2 Form C  2A/250VAC 2A/30VDC 
●Pilot Duty Load
1 Form A(942T ONLY)   
1 Form B (942T ONLY)   
1 Form C (942T ONLY)   
1 Form A    
1 Form B   
1 Form C   
2 Form A   
2 Form B   
2 Form C   
●Rating Load
1 Form A(942T ONLY)   
1 Form B (942T ONLY)   
1 Form C (942T ONLY)   
1 Form A    
1 Form B   
1 Form C   
2 Form A   
2 Form B   
2 Form C   
●Tv Rating
1 Form A(942T ONLY)  TV-3/ TV-8 
1 Form B (942T ONLY)  TV-3/ TV-8 
1 Form C (942T ONLY)  TV-3/ TV-8 
1 Form A   TV-3/ TV-5 
1 Form B  TV-3/ TV-5 
1 Form C  TV-3/ TV-5 
2 Form A  TV-3 
2 Form B   
2 Form C   
●Remark
1 Form A(942T ONLY)   
1 Form B (942T ONLY)   
1 Form C (942T ONLY)   
1 Form A    
1 Form B   
1 Form C   
2 Form A   
2 Form B   
2 Form C   
CHARACTERISTICS
●Electrical Life 100,000
●Mechanical Life
 10,000,000
●Initial Insulation Resistance
 Min.100MΩ 500 VDC
●Contact Resistance (Initial)
 ≤100mΩ
●Operate Time
 ≤15ms
●Release Time
 ≤8ms
●Initial Dielectric Strength
 50/60Hz 1000VAC 1 min. (between open contacts)
50/60Hz 5000VAC 1 min. (between contacts and coil)50/60Hz 2500VAC 1 min. (between contact sets)
● Vibration Resistance
 Malfunction: 10 to 55Hz at Double Amplitude of 1.5mm
Destructive: 10 to 55Hz at Double Amplitude of 1.5mm
●Shock Resistance
 Malfunction: 10G (11ms) / Destructive: 100G (6ms)
●Ambient Temperature
 －40℃～＋80℃
●Relative Humidity 85% at 40℃
●Unit Weight
 Approx. 17g
●Remark
  
Referential Data
Referential Data
Referential Data
OUTLINE DIMENSIONS
Internal Connections
Drilling Plan
942 Series Relay.pdf Download    

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