NAIS DK1a1b-L2-9V, DK1a1b-L2-5V, DK1a1b-L2-3V, DK1a1b-L2-24V, DK1a1b-L2-12V Datasheet

VDE

MINIATURE POWER RELAY DK-RELAYS

	20	12.5	20	15
	.787	.492	.787
				.591

	10
			10
	.394
			.394

1a 1a1b

mm inch

FEATURES

•Large capacity in small size: 10 A 250 V AC (1a)

•High sensitivity: 200 mW nominal operating power

•High breakdown voltage 4,000 Vrms between contacts and coil 1,000 Vrms between open contacts Meeting FCC Part 68

•Sealed construction

•Latching types available

SPECIFICATIONS

Contact

					2 Form A,
	Arrangement			1 Form A	1 Form A
					1 Form B
	Initial contact resistance, max.			30 mΩ
	(By voltage drop 6 V DC 1A)
	Contact material			Gold flash over silver alloy
			Nominal	10 A 250 V AC	8 A 250 V AC
			switching capacity	10 A 30 V DC	8 A 30 V DC
			Max. switching	300 W, 2,500 VA	240 W, 2,000 VA
	Rating		power
	(resistive)		Max. switching	250 V AC,	250 V AC,
			voltage	30 V DC	30 V DC
			Max. switching	10 A	8 A
			current
	Expected		Mechanical	5×107
				105	105
	life (min.		Electrical
				(10 A 250 V AC,	(8 A 250 V AC,
	operations)		(resistive)
				10 A 30 V DC)	8 A 30 V DC)

Coil

Nominal operating power	200 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

Max. operating speed						20 cpm (at rated load)
Initial insulation resistance*1						Min. 1,000 mΩ (at 500 V DC)
Initial			Between open			1,000 Vrms
			contacts
breakdown
			Between contacts
voltage*2						4,000 Vrms
			and coil
Surge voltage between coil and						Min. 10,000 V
contact*3
Operate time*4						Max. 10 ms (Approx. 5 ms)
(at nominal voltage)
Release time (without diode)*4						Max. 8 ms (Approx. 3 ms)
(at nominal voltage)
Temperature rise						Max. 40°C with nominal coil voltage
(at nominal voltage)						and at 10 A switching current
Shock			Functional*5			Min. 98 m/s2 {10 G}
resistance			Destructive*6			Min. 980 m/s2 {100 G}
			Functional*7			88.2 m/s2 {9 G}, 10 to 55 Hz
Vibration						at double amplitude of 1.5 mm
resistance			Destructive			176.4 m/s2 {18 G}, 10 to 55 Hz
						at double amplitude of 3.0 mm
Conditions for oper-					Ambient	–40°C to +65°C
ation, transport and					temp.	–40°F to +149°F
storange*8
(Not freezing and					Humidity	5 to 85% R.H.
condensing at low
temperature)
Unit		1 Form A				Approx. 5.6 g .20 oz
		1 Form A 1 Form B,
weight						Approx. 6 g .21 oz
		2 Form A

TYPICAL

APPLICATIONS

•Switching power supply

•Power switching for various OA equipment

•Control or driving relays for industrial machines (robotics, numerical control machines, etc.)

•Output relays for programmable logic controllers, temperature controllers, timers and so on.

•Home appliances

ORDERING INFORMATION

Ex. DK

1a

L2

12V

Contact arrangement

Operating function

Coil voltage

1a: 1 Form A

Nil: Single side stable

3, 5, 6, 9, 12, 24V

2a: 2 Form A

L2: 2 coil latching

1a1b: 1 Form A 1 Form B

Note: Standard packing Carton: 50 pcs.; Case: 500 pcs.

UL/CSA, TÜV approved type is standard.

239

DK

TYPES AND COIL DATA (at 20°C 68°F)

Single side stable

						Nominal		Nominal	Maximum
			Nominal	Pick-up	Drop-out		Coil		allowable
						operating		operating
		Part No.	voltage,	voltage,	voltage,		resistance,		voltage,
						current,		power,
			V DC	V DC (max.)	V DC (min.)		Ω (±10%)		V DC (at 65°C
						mA (±10%)		mW
									149°F)
		DK1a-3V	3	2.1	0.3	66.6	45	200	3.9
		DK1a-5V	5	3.5	0.5	40	125	200	6.5
	1 Form A	DK1a-6V	6	4.2	0.6	33.3	180	200	7.8
		DK1a-9V	9	6.3	0.9	22.2	405	200	11.7
		DK1a-12V	12	8.4	1.2	16.6	720	200	15.6
		DK1a-24V	24	16.8	2.4	8.3	2,880	200	31.2
		DK1a1b-3V	3	2.1	0.3	66.6	45	200	3.9
		DK1a1b-5V	5	3.5	0.5	40	125	200	6.5
	1 Form A	DK1a1b-6V	6	4.2	0.6	33.3	180	200	7.8
	1 Form B	DK1a1b-9V	9	6.3	0.9	22.2	405	200	11.7
		DK1a1b-12V	12	8.4	1.2	16.6	720	200	15.6
		DK1a1b-24V	24	16.8	2.4	8.3	2,880	200	31.2
		DK2a-3V	3	2.1	0.3	66.6	45	200	3.9
		DK2a-5V	5	3.5	0.5	40	125	200	6.5
	2 Form A	DK2a-6V	6	4.2	0.6	33.3	180	200	7.8
		DK2a-9V	9	6.3	0.9	22.2	405	200	11.7
		DK2a-12V	12	8.4	1.2	16.6	720	200	15.6
		DK2a-24V	24	16.8	2.4	8.3	2,880	200	31.2

2 coil latching

					Nominal		Coil		Nominal			Maximum
		Nominal			operating				operating			allowable
			Set voltage,	Reset voltage,			resistance,
	Part No.	voltage,			current,				power,			voltage,
			V DC (max.)	V DC (max.)			Ω (±10%)
		V DC			mA (±10%)					mW		V DC (at 65°C
					Set	Reset	Set	Reset	Set		Reset	149°F)
	DK1a-L2-3V	3	2.1	2.1	66.6	66.6	45	45	200		200	3.9
	DK1a-L2-5V	5	3.5	3.5	40	40	125	125	200		200	6.5
1 Form A	DK1a-L2-6V	6	4.2	4.2	33.3	33.3	180	180	200		200	7.8
	DK1a-L2-9V	9	6.3	6.3	22.2	22.2	405	405	200		200	11.7
	DK1a-L2-12V	12	8.4	8.4	16.6	16.6	720	720	200		200	15.6
	DK1a-L2-24V	24	16.8	16.8	8.3	8.3	2,880	2,880	200		200	31.2
	DK1a1b-L2-3V	3	2.1	2.1	66.6	66.6	45	45	200		200	3.9
	DK1a1b-L2-5V	5	3.5	3.5	40	40	125	125	200		200	6.5
1 Form A	DK1a1b-L2-6V	6	4.2	4.2	33.3	33.3	180	180	200		200	7.8
1 Form B	DK1a1b-L2-9V	9	6.3	6.3	22.2	22.2	405	405	200		200	11.7
	DK1a1b-L2-12V	12	8.4	8.4	16.6	16.6	720	720	200		200	15.6
	DK1a1b-L2-24V	24	16.8	16.8	8.3	8.3	2,880	2,880	200		200	31.2
	DK2a-L2-3V	3	2.1	2.1	66.6	66.6	45	45	200		200	3.9
	DK2a-L2-5V	5	3.5	3.5	40	40	125	125	200		200	6.5
2 Form A	DK2a-L2-6V	6	4.2	4.2	33.3	33.3	180	180	200		200	7.8
	DK2a-L2-9V	9	6.3	6.3	22.2	22.2	405	405	200		200	11.7
	DK2a-L2-12V	12	8.4	8.4	16.6	16.6	720	720	200		200	15.6
	DK2a-L2-24V	24	16.8	16.8	8.3	8.3	2,880	2,880	200		200	31.2

240