Catalogues - elesta-relays-relays-with-force-guided-contacts

Catalogue ELESTA relays: Relays with force guided contacts

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SIR 4 Contacts

\relays

Relay data

General data

Diagrams

Pcb relay with forcibly guided contacts

Protective separation between coil/control

contacts and output contacts (> 10mm) as

well as protective separation between the

output contacts themselves (> 8mm)

EN 50205, type A

Contact mounting:

SIR312 3NO/1NC

SIR222 2NO/2NC

Small external dimensions

Mean coil power 0.6W

Holding power 0.18W

For Railway Applications: EN 50155

46,4

Circuit diagram (view on relay upper side) Contact lifetime

10 000

——

■ —

—

^—

1: 230V

■ss.

^^^^

^AC 15

—

¹-

—

r~__

^—

ËEE^^Ë

¡1

^—

o o o

1000

_ro^l

n^t e Csⁱ

(fi .o

CD D.

1Z.

100

SIR312

SIR222

Basic insulation

Double or reinforced insulation

0.1 0.5

Switching current (A)

1.0

5.0

Max. switching characteristics

(determined acc. to DIN EN 60947-5-1 table C2):

AC 15: 230V/5A

DC 13: 24V/7.5A/0.1 Hz

UL 508: C600/R300

Maximal contact load at AC 1 with 230V:

2 contacts each with 10A

3 contacts each with 8.4A

Load limit curve with direct current

10 8

4 3

t 1

0,8 _ 0,6 < 0,4

t 0,3

CD 0,2 O 0,1

> 10 x 10⁶ operations

Mechanical life


	Switching frequency, mechanical 15Hz
	Response time	typically 15ms
	Drop-out time**	typically 4ms
	Bounce time of NO contact	typically 6ms
	Bounce time of NC contact	typically 12ms
	Shock resistance 16ms	NO contact > 10g
		NC contact 6g
	Vibration resistance	NO contact > 5g
	10-200Hz	NC contact 1,5g
	Test voltage
	coil/control contacts	2'500Veff 1min
	Test voltage	5'000Veff 1min
	coil-control contacts/output contacts
	Test voltage output contacts
	as against each other	4'000Veff 1min
	Test voltage contact open	1'500Veff 1min
	Insulation resistance	10¹¹ n
	Creepage resistance	CTI 250
	Weight	approx. 30g
	Mounting position	any
	Ambient temperature	-40°C to +70°C
	Type of protection	RT II
	Solder bath temperature	270 °C/5s
	Thermal resistance	55K/W
	Temperature limit for coil	120°C
	Pollution degree	2
	Overvoltage category	III
	Resistance to short	1'000A SCPD 10A
	circuiting	gG (pre-fuse)
	** without spark suppression

₀, 3

₀,

0,4

21 5 10,5 5

3 3

1,9


1


21	5	j0,5__	5

-0 1,3

[mm]

1,9

Contact material

AgSnO2+0.2um Au

Crest contact

Type of contact

Rated switching capacity 250VAC 10A AC1 2'500VA Electr. life AC1 (360 cycles/h) approx.lOO'OOO

Inrush current max._25A for 20ms

Switching voltage range 5 to 250 VDC/VAC

Switching current range*_10mA to 10A

Switching capacity range* 0.06VA(W) to 2'500VA Contact resistance (as delivered) <100mQ/28 V/100mA * Guide values

Standard coils for direct current (other voltages on request)

100

150

200

250

Voltage (VDC) -

1) Inductive load, L/R 40 ms

2) Resistive load

Excitation voltage range

2,0


Nominal voltage VDC	Min. pick-up voltage at 20°C	Drop-out voltage at 20 °C	Nominal current in mA	Resistance in Ohm at 20 °C	Tolerance in %
5	3,5	> 0,5	121,0	41	± 10
6	4,2	> 0,6	100,0	60	± 10
12	8,4	> 1,2	50,0	240	± 10
18	13,5	> 1,8	33,3	540	± 10
24	16,8	> 2,4	25,2	950	± 10
48	33,6	> 4,8	12,6	3'800	± 10
60	42,0	> 6,0	10,0	6'000	± 13
110	77,0	> 11,0	5,5	20'000	± 15

1,5

{2}

1,0

Insulation terms

Coil to control contacts: Basic insulation Coil/control contacts to output contacts: Double or reinforced insulation > 10mm Output contacts as against each other: Double or reinforced insulation > 8mm

0,5

Ub U n

0 20 40 60

Ambient temperature °C —

100

1) Max. excitation voltage with contact load < 2A

2) Min. excitation voltage (guaranteed values) without previous operation

No heat accumulation due to intrinsic heating of other components. Continuous duty 100%.

Tests, regulations

Approvals

SEV, UL, cUL, TÜV

Sec. 3

UL File E188953


	Insulation class IEC 60664-1	250VAC
	Protection class II	VDE 0106
	Fire protection requirements	UL 94 / V0
	*Options, accessories*
	PCB socket	see page 31

Ordering example SIR 3 1 2 24VDC

Coil voltage -Soldering tags

.Number of NC contacts .Number of NO contacts Type designation

ELESTA relays GmbH, Elestastrasse 16, Phone: +41 81 300 47 00 E-Mail: admin@elestarelays.com CH - 7310 Bad Ragaz, Switzerland Fax: +41 81 300 47 01 Internet: http://www.elestarelays.com