1.long using life 2.dust-proof & oil-proof 3.good cushion,shock absorption effect 4.CCC and CE certificate
Roller lever type limit switch RL7121
Operating characteristics
Item | Characteristics |
OF. max. | 1.77N{180gf} |
RF. min | 0.49N{100gf} |
PT. max | 11mm |
MD. max | 2.4mm |
OT. min | 3.0mm |
OP | 40±1.99mm |
Application: Food machinery, automatic packing machines,mahine tool, conveying machinery, auto production line control, ideal for light industry machinery which need the strict requirements for protection and so on.
Rated value and characteristics
Rated working current | 10A 125V, 250VAC; 0.4A 115VDC(resistor load) | ||
Contact type | Contact resistance (initial value ) | Under 15 mΩ (not include copper resistance ) | |
Contact material | Sliver cadmium oxide contact(if no need cadmium,[according with ROSH certificate ] can customize | ||
Electrical | Insulation resistance (initial value) | 100 mΩ min. (use the DC500V insulation resistance test) | |
Dielectric strength | Between Non-continuous terminals (initial value): 1500V 50/60HZ for 1 min Between dead metal parts and each terminal: 2000V 50/60HZ for 1min Between ground and each terminal: 2000V 50HZ for 1 min | ||
Mechanical | Shock resistance | In the free position | Less than 98m/s2(10G) |
In the full operating position | Less than 294m./s2(30G) | ||
Vibration resistance | 1.5mm double amplitude 10-55HZ (contact gap is under 1 ms) | ||
Expected Life | Mechanical | 10,000,000 operations min. (on/off frequency 50 operations/min) | |
Electrical | 200,000 operations min.(on/off frequency is 20 operations/min) | ||
Using condition | Ambient temperature /Ambient humidity | -20~+60 (with no icing), 95%RH max. (at +5~20) | |
The max on/off frequency | 120 operations/min | ||
plastic roller lever type electrical limit switch RL7121
