LYDS1 series isolation switch is suitable for a power system with rated voltageDC 1200V or below and rated current 32A or below.
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The LYDS1 DC Isolator Switch is a compact solution for DC circuit disconnection, providing safe manual isolation for small- to medium-sized DC applications including solar and battery systems.
🔹 Key Technical Knowledge
Product type: Compact DC isolator
Rated voltage: up to typical 600–1000V DC systems
Contact system: Positive break for DC arcing control
Installation: DIN rail or panel mount
Compliance: IEC 60947-3 DC switch standard
Manufacturer role: DC isolator factory with OEM services
🔹 Use Cases / Industries
Small solar PV installations
Battery energy systems
DC control cabinets
Telecom rack DC systems
Off-grid power systems
🔹 OEM & Manufacturing Advantage
As a factory-direct DC isolator switch supplier, we provide flexible OEM/ODM services, scalable manufacturing, and support for international distributors.
Technical Data
Data according to IEC/EN60947-3:AS60947.3, UL508i, GB/T14048.3. Utilization category DC-PV1/DC-PV2.
Data according to IEC/EN60947-3, AS60947.3, Utilization category DC-PV1, DC-PV2
300V
600V
800V
1000V
Pole
No.ofStrings
Part Number
PV1
PV2
PV1
PV2
PV1
PV2
PV1
PV2
32
32
32
32
32
16
16
9
2
1
LYDS1/N32/2
32
32
32
32
32
16
16
9
4
2
LYDS1/N32/4
32
32
32
32
32
32
32
32
4
1
LYDS1/N32/4S
32
32
32
32
32
32
32
32
4
1
LYDS1/N32/4B
32
32
32
32
32
32
32
32
4
1
LYDS1/N32/4T
300V
600V
800V
1000V
1200V
Pole
No.of Strings
Part Number
PV1
PV2
PV1
PV2
PV1
PV2
PV1
PV2
PV1
PV2
32
32
32
32
32
16
16
9
13
9
2
1
LYDS1/S32/2
32
32
32
32
32
16
16
9
13
9
4
2
LYDS1/S32/4
32
32
32
32
32
32
32
32
32
32
4
1
LYDS1/S32/4S
32
32
32
32
32
32
32
32
32
32
4
1
LYDS1/S32/4B
32
32
32
32
32
32
32
32
32
32
4
1
LYDS1/S32/4T
Data according to AS60947-3
Main Contacts
Voltage
LYDS1/S32
LYDS1/N32
Rated thermal current lthe
32A
32A
Rated insulation voltage Ui
1500V
1500V
Distanceof contacts(perpole)
8mm
8mm
Rated operational current le(DC-PV2)
4 layers,only 2layersin series,with two load
300V
32 A
32 A
600V
32 A
32 A
800V
16A
16 A
1000V
9A
9A
1200V
9A
4 layers,4 layers in series,with one load
300V
32 A
32 A
600V
32 A
32 A
800V
32 A
32 A
1000V
32 A
32 A
1200V
32 A
LYDS1 series isolation switch is suitable for a power system with rated voltageDC 1200V or below and rated current 32A or below.
It is especially suitable for isolating lines in HVDC transmission and distribution systems, such as cutting off the high voltage DC current between solar panels and inverters Five years warranty IP66 degree of protection
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🔹 FAQ – LYDS1 DC Isolator Switch
What systems is LYDS1 suitable for? Solar PV DC circuits, battery backup DC power, and telecom DC systems.
Does it interrupt DC safely? Yes — designed specifically for DC circuit isolation with arcing reduction.
Can it be DIN-rail mounted? Yes, suitable for DIN-rail or panel installation depending on enclosure setup.
Does this isolator meet international standards? It is designed per IEC 60947-3 requirements for DC manual switches.
Is OEM customization available? Yes — our factory offers private label, custom ratings, and bulk orders.
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We offer a full range of customised services, working closely with our customers every step of the way, from concept design to final delivery.
