RELAY; RELAY TYPE: SECURITY; VOLTAGE (V): 24VDC; CURRENT (A): 1.5A; POWER: NO INFORMATION; FREQUENCY (HZ): NO INFORMATION; MATERIAL: NO INFORMATION; QUANTITY AND TYPE OF CONTACT: NO INFORMATION; WORK RANGE: NO INFORMATION; IMPEDANCE: NO INFORMATION; DESIGNATED USE: PRIMARY DROP, MAINTENANCE TROLLEY; STANDARDS AND SPECIFICATIONS: NO INFORMATION; ADDITIONAL FEATURES: SIRIUS, EMERGENCY STOP; SUGGESTED BRANDS: SIEMENS 3TK2841-1BB40