ESRN-3A1B-E Relay input Dual channel NPN, output 3NO 1NC
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The ESR series safety relay module meet PLe level of ISO 13849-1, is suitable for monitor of various signal (include emergency stop, safety door switch, safety light curtain and two hand button) in industrial sites with high safety requirements. Support 2NO+1NC and 3NO+1NC output, can choose to monitor manual reset and automatic reset.
Product feature:
- Design according to ISO13849-1 (category 3, Ple).
- Relay output: 2NO or 3NO, and 1 NC auxiliary contact.
- Optional manual reset and automatic reset.
- Internal circuit with cross-diagnose monitoring.
- Self-diagnose and redundant circuit design.
- Input overvoltage protection.
- Power supply reverse polarity protection.
- Visualized status indicator for easy diagnoses.
- Detectable terminal for easy maintenance.
- Standard 35mm width guide mounting design.
| Standard level | |
| Reference standard | ISO 13849-1（Category 4/Pl e） |
| Safety level | Category 4/ Pl e |
| Electric parameter | |
| Supply voltage | DC24V±10% |
| Power consumption | <3W |
| Response time | <20ms |
| Suction buffer time | <100ms |
| Power-on restart time | <1s |
| Protective circuit | Input power overvoltage protection, anti-reverse protection |
| Safety input | Double NPN normally closed input (ESRN type), double PNP normally closed input (ESRP type); Dual door or emergency stop button (ESRS type) |
| Input synchronously | Unlimited S1 is in the front of S2 |
| Safety output | 2 normally open passive contacts,1 normally closed passive contacts; Three normally open passive contacts and one normally closed passive contact; |
| B10 data | Rated load: 400,000 times; Low load: 2 million times |
| Contacting rating | AC15: 5A/250V; DC13: 6A/24V |
| Electric lifespan | ≥10 times（1NO: 5A250VAC, resistive load, 1s on 9s off） |
| Mechanical lifespan | ≥10 millions times |
| Environment | |
| Vibration resistance | Frequency 10Hz~55Hz, amplitude 0.35±0.05mm, 20 times each at X, Y, Z direction |
| Impact resistance | Acceleration 10g, pulse duration 16ms, X, Y and Z direction 1000 times each |
| Operational temperature | -25ºC~+60ºC |
| Storage temperature | -40ºC~+85ºC |
| Protection level | Shell / terminal protection: IP40/IP20 |
| Installation/structure | |
| Installation | 35mm Rail |
| Traverse size | 0.2~2.5mm² |
| Size (mm) | 117 x 100.6 x 22.5 |
| Product installation |
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| Disassemble |
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| Panel function |
| ESR(N/P)-2A1B-E |
ESR(P/N/S)-3A1B-E
ESR(N/P)-2A1B-E
ESR(N/P)-3A1B-E
ESRS-3A1B-E
Wiring diagram
ESRN/P-2A1B-E used for safety light curtain (manual reset/ automatic reset)
ESRN/P-2A1B-E used for safety light curtain (manual reset/ automatic reset)
ESR(N/P)-3A1B-E used for safety door switch (NPN/PNP output)
Used for safety light curtain (NPN/PNP output)
Used for dual channel safety door
Used for emergency stop button
Shearing Machine
Automotive
Machine Tool
Logistics & Warehouse Automotive
Railway & traffic
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