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Economical Safety Relay LS-3A1B.C with 3NO and 1NC
- group name
- Safety Relays
- Min Order
- 1 piece
- brand name
- DADISICK
- model
- LS-3A1B.C
- Delivery clauses under the trade mode
- CIP
- update time
- Tue, 04 Nov 2025 01:32:11 GMT
Paramtents
Power supply 24V DC/AC
Number of contacts 3NO + 1NC
Switching capacity AC-15, 5A/230V; DC-13, 5A/24V
Wire resistance ≤15Ω
Size 114.5*99.0*22.5mm
Class of pollution 2 TYPE
Certificate PLe, Cat.4, SIL3
Packging & Delivery
-
Min Order1 piece
Briefing
LS-3A1B.C is a safety relay suitable for emergency stop, safety door, PNP type safety light curtain signal of various mechanical equipment. It has 3 normally open (NO) safety output contacts and 1 normally closed (NC) auxiliary output contact, and can select single/dual channel operation, manual/automatic reset and short circuit monitoring between channels. It adopts the design of components produced in China, standard housing, convenient wiring and common with mainstream products in the market, with excellent cost performance.
Detailed
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Product model
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Safety relay
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LS-3A1B.C
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Certificate | PLe, Cat.4, SIL3 | ||
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Power supply characteristics
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Supply voltage
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24V DC/AC
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Voltage tolerance | 0.85~1.1 | ||||||
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Current consumption
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≤90mA (24V DC); ≤240mA (24V AC)
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Input characteristics
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Input current
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≤50mA (24V DC)
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Wire resistance
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≤15Ω
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Input devices
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Emergency stop button, safety door, PNP type safety light curtain
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Output characteristics
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Number of contacts
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3NO + 1NC
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Contact material
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AgSnO2 + 0.2μm Au
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Contact fuse protection
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10A gL/gG, NEOZED (normally open contact);
6A gL/gG, NEOZED (normally closed contact) |
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Electric shock mechanical life | More than 10⁷ times | ||
Switching capacity (EN60947-5-1) | AC-15, 5A/230V; DC-13, 5A/24V | ||
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Time characteristics
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Pull-on buffer time
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≤300ms
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Release buffer time | ≤30ms | ||
Recovery time | ≤100ms | ||
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Short power interruption
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20ms
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Environmental characteristics
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Electromagnetic compatibility
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EN60947, EN61000-6-2, EN61000-6-4
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Vibration | Frequency: 10Hz~55Hz; Amplitude: 0.35mm | ||
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Operating temperature
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-20℃~+60℃
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Storage temperature
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-40℃~+85℃
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Relative humidity | 10%~90% | ||
Altitude | ≤2000m | ||
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Insulation characteristics
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Overvoltage leve
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Ⅲ
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Pollution level | 2 | ||
Rated insulation voltage | 250V AC | ||
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Rated impulse voltage
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6000V (1.2/50us)
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Insulation strength
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1500V AC, 1min
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Electrical clearance and creepage distance | In accordance with EN 60947-1 | ||
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Certification
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Safety integrity level
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SIL3
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Performance level
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Ple
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Safety category
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Cat.4
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