Product Description
Allen-Bradley 193-EF1A Overload Relay
Product Overview
The Allen-Bradley 193-EF1A is a high-performance overload relay designed to provide comprehensive motor protection in industrial applications. It features thermal overload, phase loss, and PTC thermistor protection, making it ideal for use in harsh environments. This relay complies with IEC, UL, CSA, and maritime safety standards for global usability.
Technical Specifications
Electrical Ratings
| Attribute |
Specifications |
| Rated Voltage (Motor Circuit) |
IEC 947, EN 60947: 1000V CSA, UL: 600V |
| Control Circuit Voltage |
IEC 947, EN 60947: 440V CSA, UL: 240V |
| Rated Control Voltage (US) |
AC (50/60 Hz): 24, 36, 48, 110, 120, 230, 240, 400, 415, 440V (0.8…1.1 US) DC: 24, 48V (0.9…1.2 US) |
| Device Protection Fuse |
10 A Type gG or 16 A Type gG |
Output Relay Contact Information
| Contact Assembly |
1 N.O. and 1 N.C., Galvanically Separated |
| Rated Operating Voltage |
UL/CSA Pilot Duty: 240V |
| Rated AC Operating Current (AC-15) |
24V: 3A 110…125V: 3A 220…250V: 1.2A |
| Max. Permissible Switching Current (cos φ = 0.3, AC-15) |
24V: 30A 110…125V: 30A 220…250V: 12A |
| Rated DC Operating Current (DC-13, L/R = 300ms) |
24V: 2A 110…125V: 0.3A 220…250V: 0.2A |
| Max. Rated Backup Fuse Current |
10 A, 500V AC Type gG |
Environmental Ratings
| Condition |
Temperature Range |
| Operation |
-5…+60°C |
| Storage |
-50…+60°C |
| Transport |
-50…+85°C |
Sensor Measurement Circuit
| Attribute |
Specifications |
| Measurement Circuit Cross Section |
0.5 - 1.5 mm² |
| Max. Lead Length |
0.5 mm²: 200m 1.5 mm²: 600m |
| Max. Cold Resistance of PTC Sensor Chain |
1.5 kΩ |
| Max. Number of PTC Sensors (IEC 34-11-2) |
6 |
Physical Dimensions & Weight
| Component |
Weight (g) |
| 193-EF1A Overload Relay |
1,070g |
| 193-EF2A Overload Relay |
1,090g |
| 193-EF1B Overload Relay |
2,510g |
| 193-EF2B Overload Relay |
2,530g |
| 193-EF2C Overload Relay |
5,550g |
| 193-LB1 Indication Module |
160g |
| 193-RB1 Remote Reset Module |
160g |
| 196-MTM Adapter |
5g |
| 193-PA Front Cover |
3g |
| 193-HD Terminal Lug |
40g |
| Bus Bars (825-MVM, 825-MVM2, 825-MVS, 825-MVS2) |
230g - 350g |
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