Bulletin 193-EF Solid-State Overload Relays
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| Cat. No. 193-EF2B | Cat. No. 193-EF2A | Cat. No. 193-EF2C |
Bulletin 193-EF
193-E1
- 0.5…400 A current range
- Phase loss/current imbalance protection
- LED indicators
- Digital (DIP switch) adjustments
- Adjustable Trip Class (2…30)
193-EF2 also includes:
- 0.5…630 A current range
- Overcurrent indication
- PTC thermistor monitoring
Bulletin 193-EF overload relays offer precise and reliable ambient compensated overload protection for the protection of three-phase squirrel cage motors. DIP switch settings allow the Bulletin 193-EF overload relays to be closely matched to the motor characteristics to safely obtain full utilization of the motor. The wide adjustment range of the trip class setting allows the Bulletin 193-EF overload relays to be applied in a wide variety of applications. The 193-EF2 version offers enhanced motor protection with additional circuitry for monitoring motor winding embedded thermistors.
Standards Compliance and Certifications
Standards Compliance
IEC 60947-4
CSA C22.2 No. 14
UL 508
Certifications
CE
CSA Certified (File No. LR13908)
UL Listed (File No. E33916, Guide NKCR)
Product Overview
Features
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Catalog Number Explanation
| 193 | – | EF | 1 | A | KP | – | R F L | |||
| a | b | c | d | e |
| a | b | c | d | |||||||
| Model | Version | Adjustment Range [A] | Voltage | |||||||
| Code | Description | Code | Description | Code | Description | Code | Description | |||
| EF | Bulletin 193-EF Solid-State Overload Relay | Basic | 1 | A | 20…180 | KJ | 24V AC | |||
| Advanced | 2 | B | 160…400 | KV | 36V AC | |||||
| C | 160…630 | KY | 48V AC | |||||||
| KD | 110V AC | |||||||||
| KP | 120V AC | |||||||||
| KF | 230V AC | |||||||||
| KA | 240V AC | |||||||||
| KN | 400V AC | |||||||||
| KG | 415V AC | |||||||||
| KB | 440V AC | |||||||||
| ZJ | 24V DC | |||||||||
| ZY | 48V DC | |||||||||
| e | ||||||||||
| Factory Modifications | ||||||||||
| Code | Description | |||||||||
| R | Automatic Reset | |||||||||
| F | Remote Reset | |||||||||
| L | External Indication | |||||||||
Product Selection
Electronic Motor Protection Relays
| Mounts to Contactor | Adjustment Range [A] | Cat. No. | Cat. No.§ |
| 100-D95…100-D180§ | 20…180T | 193-EF1AÄ | 193-EF2AÄ |
| 100-D210…100-D420 | 160…400 | 193-EF1BÄ | 193-EF2BÄ |
| 100-D210…100-D420 | 160…630 | — | 193-EF2CÄ |
| § Contactor mounting requires the use of a bus bar mounting kit (Cat. Nos. 825-MVS or 825-MVS2). | |||
| T 0.5…20 A can be achieved by looping the motor supply cables. (Refer to the Specifications section.) Use cable support Cat. No. 193-HD. | |||
| § Device ships with the External Indication Module accessory (Cat. No. 193-LB1) included. | |||
Ä Coil Voltage Code
The catalog number as listed is incomplete. Select a coil voltage code from the table below for completion.
Example: Cat. No. 193-EF1AÄ becomes Cat. No. 193-EF1AKP.
| Voltage [V] | 24 | 36 | 48 | 110 | 120 | 230 | 240 | 400 | 415 | 440 |
| 50/60 Hz | KJ | KV | KY | KD | KP | KF | KA | KN | KG | KB |
| DC | ZJ | — | ZY | — | — | — | — | — | — | — |
Factory Modification Options
| Description | Suffix Code¬ |
| Automatic Reset of overload and thermistor overtemperature protection | -R |
| Remote Reset‡ | -F |
| External Indication§ | -L |
| ¬ Refer to the Catalog Number explanation section for the proper suffix code sequence. | |
| ‡ Device ships with the Remote Reset Module accessory (Cat. No. 193-RB1) included. | |
| § Device ships with the External Indication Module accessory (Cat. No. 193-LB1) included. | |
Accessories
Add-On Modules
| Description | Pkg. Qty. | Cat. No. | ||
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External Indication Module For front mounting on a control panel or MCC 3 m connection cable with plug Function status indication Trips and alarms can be reset IP54 protection |
1 | 193-LB1 | |
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Remote Reset Module Trip reset from any location Operating voltage: 24…48V AC/DC with external burden resistor: - 8.2 kW, 4 W — 110…230V AC/DC - 22 kW, 10 W — 240…440V AC/DC |
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1 | 193-RB1 |
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35 mm DIN Rail Mounting Adapter For easy mounting of timer modules on standard DIN Rail (EN 50 022-35) and G-Rail |
10 | 196-MTM | |
Mounting Materials
| Description | For Use With | Pkg. Qty. | Cat. No. | |
| Transparent Front Cover | 193-EF1, 139-EF2 | 1 | 193-PA | |
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Terminal Shields Set of two Protection class IP10 per IEC 60529 and DIN 40 050 For direct-on-line, reversing, two-speed, and wye-delta/star-delta assemblies |
100-D95, 100-D110 | 2 | 100-DTS110 |
| 100-D140, 100-D180, 100-D95-E…100-D180-E | 100-DTS180 | |||
| 100-D210...100-D420 | 100-DTS420 | |||
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Cable Support Set of 6 Includes terminal and fixing screws Provides support of cable end when looping through current evaluation ports |
193-EF1A, 193-EF2A | 6 | 193-HD |
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Terminal Lugs Set of two Protection class IP2X per IEC 60529 and DIN 40 050 |
100-D95, 100-D110 | 2 | 100-DTB110 |
| 100-D140, 100-D180, 100-D95E…D180E, 193-EC_F, 193-EE_F | 100-DTB180 | |||
| 100-D210...100-D420, 193-EC_G, 193-EF2C, 193-EE_G | 100-DTB420 | |||
Connecting Components
| Description | For Use With | Pkg. Quantity | Cat. No. | |
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Terminal Lugs (UL/CSA), Copper Frame Set of three |
100-D95, 100-D110 | 3 | 100-DL110 |
| 100-D140, 100-D180, 193-EC_F, 193-EE_F | 100-DL180 | |||
| 100-D210…100-D420, 193-EC_G, 193-EE_G | 100-DL420 | |||
Mounting Materials — Bus Bars
Set of 3 busbars, includes terminal and fixing screws. Suitable for use with Cat. No. 193-EF1A and 193-EF2A overload relays.
| Description | Pkg. Qty. | Cat. No. | |
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M8 connections Set of three 4 x 16 x 102 mm (1/8 x 5/8 x 4-1/64 in.) (125 A max.) Universally applicable Weight: 230 g |
3 | 825-MVM |
| M8 connections Set of three 4 x 20 x 117 mm (1/8 x 25/32 x 4-39/64 in.) (180 A max.) Universally applicable |
3 | 825-MVM2 | |
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M6 lower connections Set of three For mounting on Bul. 100-D95 and 100-D110 contactors with conventional coil |
3 | 825-MVS |
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M8 lower connections Set of three For mounting on Bul. 100-D140, 100-D180 conventional and Bul. 100-D95E…100-D180E contactors with electronic coil |
3 | 825-MVS2 |
Labeling Materials
Uniform labeling materials for contactors, motor starting equipment, timing relays and circuit breakers
| Description | Pkg. Qty.T | Cat. No. | |
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Label Sheet 105 self-adhesive paper labels each, 6 x 17 mm |
10 | 100-FMS |
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Marking Tag Sheet 160 perforated paper labels each, 6 x 17 mm, to be used with a transparent cover |
10 | 100-FMP |
| Transparent Cover To be used with marking tag sheets |
100 | 100-FMC | |
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Marking Tag Adapters To be used with marking tag: System 1492 W |
100 | 100-FMA2 |
| T Must be ordered in multiples of package quantities. | |||
Specifications
Supply Voltage Failure
In the event of a supply voltage failure, the output relay resets and the stand-by indicator goes out. The actual status is stored for 30 minutes. When the supply voltage is restored, the output relay reverts to its original state.
Reset — Manual
The reset button resets all protection functions. Resetting from any location is possible with the 193-RB1 remote reset module.
Reset — Automatic
Automatic resetting of thermal overload and thermistor overtemperature functions is an optional feature. All other protection functions must be reset manually.
Test Button for Thermal Overload Protection
Pressing the test button will verify thermal tripping operation time at 6x/e without the motor being connected. The test button must be held for longer than the set trip time t6x/e.
Device Installation and Commissioning
The operating instructions enclosed with the device provide all of the information necessary to set and commission it.
Surface Mounting
193-EF_A Snap-on fixing to standard DIN Rail or screw fixing
193-EF_B Screw fixing
193-EF_C Screw fixing
Mounting position: optional
Setting the Rated Current (0.5…20 A) (193-EF1A and 193-EF2A Requires 193-HD)
The motor supply cables are looped through the current transformer twice, thereby doubling the rated motor current. The setting on the Bulletin 193-EF overload relay is the product of:
Ie [A] x…number of loops
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Recommended for Ie [A] | Motor Supply Cables | Cable Cross Section (Flexible Strand) | ||
| IEC [mm2] | CSA, UL (AWG No.) | ||||
| 20…180 | fed straight through | 4…95 | 10…10 000 | ||
| 10…20 | looped twice | 2.5…25 | 14…10 | ||
| 5…10 | looped 4 times | 1…6 | 14 | ||
| 2.5…5 | looped 8 times | 0.75…2.5 | 14 | ||
| Motor supply wire looped twice | Motor supply wire looped 4 times | 0.5…2.5 | looped 40 times | 0.5…0.75 | T |
| T CSA, UL: for Ie = 0.5…2.5 A, only factory-assembled wound devices should be installed | |||||
| Rated Voltage Motor Circuit (primary circuit of current measuring device) | |||||
| IEC 947, EN 60947 | [V] | 1000 | |||
| CSA, UL | [V] | 600 | |||
| Control Circuit | |||||
| IEC 947, EN 60947 | [V] | 440 | |||
| CSA, UL | [V] | 240 | |||
| Rated Control Voltage US | |||||
| AC 50/60 Hz | [V] | 24, 36, 48, 110, 120, 230, 240, 400, 415, 440, (0.8…1.1US) | |||
| DC | [V] | 24, 48 (0.9…1.2 US) | |||
| Terminal Cross-section | |||||
| Control circuit | [mm2] | 2 x 2.5 | |||
| 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 per UL/CSA: pilot duty 240V | [V] | 24 | 110…125 | 220…250 | 380… 440 |
| Continuous Thermal current | [A] | 4 | |||
| Rated AC operating current AC-15 | [A] |
3 |
3 |
1.2 |
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| Max. permissible switching current (cos = 0.3) AC-15 |
[A] |
30 |
30 |
12 |
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| Rated DC operating current (L/R = 300 ms), no protective circuit needed DC-13 |
[A] |
2 |
0.3 |
0.2 |
— |
| Max. rated back-up fuse current | 10 A, 500V AC Type gG | ||||
| Ambient temperature Operation Storage Transport |
-5…+60 °C -50…+60 °C -50…+85 °C |
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| Sensor Measurement Circuit | |||
| Measurement circuit Cross section |
[mm2] | 0.5 | 1.5 |
| Max. lead lengthT | [m] | 200 | 600 |
| Max. cold resistance of PTC sensor chain | kW | 1.5 | |
| Max. number of PTC sensors per IEC 34-11-2 | 6 | ||
| Weights | |||
| Overload Relay | |||
| 193-EF1A | [g] | 1 070 | |
| 193-EF2A | [g] | 1 090 | |
| 193-EF1B | [g] | 2 510 | |
| 193-EF2B | [g] | 2 530 | |
| 193-EF2C | [g] | 5 550 | |
| 193-LB1 indication module | [g] | 160 | |
| 193-RB1 Remote reset module | [g] | 160 | |
| 196-MTM Adapter | [g] | 5 | |
| 193-PA Front cover | [g] | 3 | |
| 193-HD Terminal lug | [g] | 40 | |
| Bus bars | |||
| 825-MVM | [g] | 230 | |
| 825-MVM2 | [g] | 290 | |
| 825-MVS | [g] | 280 | |
| 825-MVS2 | [g] | 350 | |
| Approvals | |||
| CE, UL Listed, CSA, Bureau Veritas, Lloyd’s Register of Shipping, Maritime Register of Shipping, RINA |
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| T Type of wiring: insulated control leads, screened > 200 m (shield connected with 1T1) | |||
Approximate Dimensions
Dimensions in millimeters. Dimensions are not intended to be used for manufacturing purposes.
Cat. Nos. 193-EF1A, 193-EF2A
(shown with cat. no. 825-MVM bus bar kit)
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Cat. Nos. 193-EF1B, 193-EF2B
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Cat. No. 193-EF2C
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Cat. No. 193-LB1
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| Dimensions | 193-EF1A 193-EF2A |
193-EF1B 193-EF2B |
193-EF2C |
| A | 120 | 140 | 155 |
| a1 | 105 | — | — |
| b | 100 | 142 | 143 |
| bT | 100 | — | — |
| bª | 117 | — | — |
| b1 | 73 | — | — |
| fd | 5.4 | 5.8 | 6.5 |
| d1 | 55…60 | 75 | 90…93 |
| d2 | 100 | 125 | 135 |
| fe | M8 x 12 | M10 x 25 | M10 x 25 |
| fe1 | — | M10 x 35 | M10 x 25 |
| e2 | 38.5 | 48 | 48 |
| e3T | 16 | 25 | 25 |
| e3ª | 20 | 25 | 25 |
| e4 | 82 | 117 | 118 |
| e4T | 82 | — | — |
| e4ª | 97 | — | — |
| c | 143 | 148 | 178 |
| c1 | 72 | 117 | 118 |
| c2 | 93.5 | — | — |
| c3 | 53.5 | — | — |
| z Terminal Cover | |||
| T Universally applicable busbars (825-MVM) | |||
| ‡ Feed-through openings 19 x 19 mm | |||
| § With 193-LB1 indication module: c = c + 29 mm | |||
| § Can be mounted to DIN Rail EN 50 022-35 | |||
| ª Universally applicable busbars (825-MVM2) | |||