NAIS ST2-L2-DC9V, ST2-L2-DC6V, ST2-L2-DC5V, ST2-L2-DC48V, ST2-L2-DC3V Datasheet

VDE

IC DRIVABLE PC BOARD

RELAY FOR FIELD LOAD ST-RELAYS

SWITCHING

31	14
1.220	.551

11.3

.445

mm inch

FEATURES

•Sealed to meet the combination process of automatic wave soldering and cleaning needs

•Latching types available

•High switching capacity and high sensitivity in subminiature size

150 mW pick-up, 8 A inrush capacity:

51 A for 1a1b, 35 A for 2a

•High shock and vibration resistance Shock: 20 G, Vibration: 10 to 55 Hz at double amplitude of 2 mm

SPECIFICATIONS

Contacts

	Arrangement			1 Form A			2 Form A
				1 Form B
	Contact material			Gold flash over silver alloy
	Initial contact resistance, max.				30 mΩ
	Rating	Max. switching power		2,000 VA, 150 W
		Max. switching voltage		380 V AC, 30 V DC
	(resistive)
		Max. switching current				8 A
	HP rating			1/4 HP 125, 250 V AC
	Inrush current capability			51 A (TV-3 equivalence) for 1a1b
				35 A (TV-1 equivalence) for 2a
		Mechanical (at 180 cpm)				107
	Expected		8 A 250 V AC (resistive)			105
	life (min.	Electrical	5 A 30 V DC (resistive)		2 × 105
	operations)		3 A 100 V AC (lamp)	3 × 104			—
			1 A 100 V AC (lamp)	—			3 × 104
	Coil (polarized) (at 25°C 77°F)
	Single side stable		Nominal operating power			Approx. 240 mW
	Latching		Nominal set and reset power			Approx. 240 mW

Remarks

* Specifications will vary with foreign standards certification ratings.

*1 Measurement at same location as "Initial breakdown voltage" section *2 Detection current: 10 mA

*3 Wave is standard shock voltage of ±1.2 × 50µs according to JEC-212-1981 *4 Excluding contact bounce time

*5 Half-wave pulse of sine wave: 11ms; detection time: 10µs *6 Half-wave pulse of sine wave: 6ms

*7 Detection time: 10µs

*8 Refer to 5. Conditions for operation, transport and storage mentioned in AMBIENT ENVIRONMENT (Page 61).

Characteristics (at 25°C 77°F 50% Relative humidity)

	Max. operating speed				20 cpm (at rated load)
	Initial insulation resistance*1				1,000 MΩ (at 500 V DC)
	Initial	Between contact sets			2,000 Vrms
	breakdown	Between open contacts			1,200 Vrms
	voltage*2
		Between contacts and coil			3,750 Vrms
	Surge voltage between coil and				Min. 6,000 V
	contact*3
	Operate time*4				Max. 15 ms (Approx. 10 ms)
	(at nominal voltage)
	Release time (without diode)*4				Max. 10 ms (Approx. 8 ms)
	(at nominal voltage)
	Set time*4 (latching)				Max. 10 ms (Approx. 8 ms)
	(at nominal voltage)
	Reset time*4 (latching)				Max. 10 ms (Approx. 8 ms)
	(at nominal voltage)
	Temperature rise				Max. 55°C with nominal coil voltage
	(at 60°C)				and at 8 A switching current
	Shock			Functional*5	Min. 196 m/s2 {20 G}
	resistance			Destructive*6	Min. 980 m/s2 {100 G}
				Functional*7	117.6 m/s2 {12 G}, 10 to 55 Hz
	Vibration				at double amplitude of 2 mm
	resistance			Destructive	176.4 m/s2 {18 G}, 10 to 55 Hz
					at double amplitude of 3 mm
	Conditions for operation,			Ambient	–40°C to +60°C
	transport and storage*8			temp.	–40°Fto +140°F
	(Not freezing and condens-			Humidity	5 to 85% R.H.
	ing at low temperature)
	Unit weight				Approx. 10g .353 oz

TYPICAL APPLICATIONS

Sequence controllers, facsimiles, telephone controls, remote control security devices and security equipment.

ORDERING INFORMATION

Ex. ST

1

L2

DC48V

Contact arrangement

Operating function

Coil voltage

1:

1

Form A 1 Form B

Nil: Single side stable

DC 3, 5, 6, 9, 12,

2:

2

Form A

L2: 2 coil latching

24, 48 V

(Note) Standard packing: Carton; 50 pcs., Case; 500 pcs.

249