Product Details
Parameter of safety relay module
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 |
Model selection (e.g: ESR□ -3A1B-E)

Product Size

Product installation
● Cut off power of machine toensure no dangerous voltage existing, except the lighting and spare sockets.
● Product with35mmDIN rail for installation.
● Connect wire according to the wiring diagram of the safety relay.
● Before power on, please check if all cable rightly connected,and whether relay is fastened to the mounting rail.

Disassemble
● Please cut off power before disassembling the safety module.
● Loosen the screw or remove terminal.
Panel function
ESR(N/P)-2A1B-E

ESR(P/N/S)-3A1B-E
