RM3010LN0230A RelayGo Industrial Relay aT 538 Co.,Ltd. ThailanD LiNE iD PILZ.TK

The contacts are made of Silver and Nickel alloys (AgNi)

and silver tin oxide (AgSnO2). Other alloys on request.

Depending on the model, a 0,2 μm or 10 μm gold-plating

is added to ensure high conductivity and allow switching

low level loads in corrosive ambient.

The distance between contacts (GAP) and the speed

of contacts opening will determinate arch length and

duration. In VAC a 0,5 mm gap is enough to eliminate the

arch. In VDC is critical to manage contact distance (GAP)

depending on the current and voltage. See the tables for

each relay “Maximum VDC current”, as well as special

DC applications.

We manufacture different contacts:

Contacts in series: Two or three contacts in series are

equivalent to multiply the GAP increasing VDC cut.

Contacts in parallels: Cannot switch higher loads but

increases current stability and reliability.

Twin contacts: The blade is divided into two parts, each

with its own contact, both contacts press down each on

their own independent fixed contacts. This system is

particularly good for reliably switching at very low levels

(increasing MTBF).

Double break contacts: The double break contact

arrangement is equivalent to two contacts connected in

series. The maximum intensity supported corresponds

to only one contact. This system allows for higher DC

operating voltages.

This system prolongs contact life by inhibiting or reducing

the arch. In parallel RC suppressors or varistors can be

connected. In VDC applications with inductive loads,

a diode must be placed inverse, in parallel (Free-

Wheeling).

Typical contact RM and RQ series resistance is 50mΩ.

This resistance depends on materials used, pressure

among them and contamination.

Maximum voltages are referred to contacts poles and

between contacts and coil, complying with EN 60947/4/5

and VDE 0110 established maximum values, considering

pollution, insulation material quality, shape, position

and dimensions.

Maximum current is referred to each model, considering

stable conduction (Ith) in VAC

Maximum power indicated is the maximum switching

value contacts can support. This value can be limited

and not always meet the maximum power obtained by

multiplying maximum voltage with maximum current.